GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch (C60)

On the upper right front of the engine, on the front of A/C compressor behind pulley, part of the A/C compressor

HVAC Component Views

HVAC Connector End Views

A/C Compressor Clutch Diode (C60)

In the A/C harness, approximately 20.5 cm (8.1 in) from the A/C compressor clutch breakout, toward the A/C compressor clutch relay

HVAC Component Views

HVAC Connector End Views

A/C Compressor Clutch Relay (C60)

In the engine compartment mounted to the front right of the radiator shroud

HVAC Component Views

HVAC Connector End Views

A/C High Pressure Switch (C60)

Mounted on the back side of the A/C compressor

HVAC Component Views

HVAC Connector End Views

A/C Low Pressure Switch (C60)

In the engine compartment mounted to the A/C accumulator/dehydrator

HVAC Component Views

HVAC Connector End Views

ABS Relay (JE4)

In the front chassis harness, right front inboard frame rail, rear of the front crossmember, on the chassis harness bracket

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Accelerator Pedal Position (APP) Sensor

Behind the left side of the instrument panel (I/P), right of the lower steering column, above the accelerator pedal

    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Component Views for the 7.8L engine
    •  Engine Controls Component Views for the 7.2L (Caterpillar) engine
    •  Engine Controls Component Views for the 6.6L (LLY) engine
    •  Engine Controls Connector End Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 7.8L engine
    •  Engine Controls Connector End Views for the 7.2L (Caterpillar) engine
    •  Engine Controls Connector End Views for the 6.6L (LLY) engine

Air Brake Dryer (JE4/JTU)

On the inboard side of the right frame rail

Air Brake System Component Views

Air Brake System Connector End Views

Air Brake Pressure Gage Lamp (JE4)

Behind the center of the I/P, in the gage center above the I/P switchbank, in the air brake pressure gage

Lighting Systems Component Views

Lighting Systems Connector End Views

Air Compressor (K16)

Behind the cab at the outboard left frame rail

Auxiliary Air Compressor Component Views

Auxiliary Air Compressor Connector End Views

Air Compressor Relay (K16)

Behind the cab at the outboard left frame rail, on the side of the air compressor

Auxiliary Air Compressor Component Views

Auxiliary Air Compressor Connector End Views

Air Suspension Dump Switch (G40/G45/GSJ)

Center of the I/P, below the gage center, in the I/P switchbank

Suspension Controls Component Views

Suspension Controls Connector End Views

Air Suspension Dump Valve Solenoid (G40/G45/GSJ)

On the inboard right frame rail, rear of the axle, in the air suspension dump valve

Suspension Controls Component Views

Suspension Controls Connector End Views

Air Temperature Actuator

Behind the right side of the I/P on the HVAC module near the engine cover

HVAC Component Views

HVAC Connector End Views

Automatic Transmission Fluid Temperature (TFT) Gage (UXT)

Center of the I/P, above the I/P switchbank, in the gage center

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Automatic Transmission Fluid Temperature (TFT) Sensor (UXT)

Right lower part of the radiator, on the transmission cooler line

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® LCT)

On the upper left side of the transmission, on the transmission bell housing

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® MD)

On the lower right side of the transmission, on the transmission bell housing

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Automatic Transmission Selector Lever (Allison® LCT)

In the center console, part of the automatic transmission shift lever

Lighting Systems Component Views

Lighting Systems Connector End Views

Automatic Transmission Shift Selector (Allison® MD)

On the left side of the center console housing, at the top

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Auxiliary Air Tank Pressure Switch (K16)

Inboard of the left frame rail, on the front end of the air supply reservoir

Auxiliary Air Compressor Component Views

Auxiliary Air Compressor Connector End Views

Auxiliary Battery (VNF)

On the outboard side of the right frame rail, in the battery box

Power and Grounding Component Views

--

Auxiliary Power Outlet 1

Right side center of the I/P

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet 2

Right side center of the I/P

Power Outlet Component Views

Power Outlet Connector End Views

Backup Alarm (UZF)

On the back of the rear crossmember, on a bracket

Lighting Systems Component Views

Lighting Systems Connector End Views

Backup Lamp - Left

At the rear of the left frame rail, part of the tail lamp assembly - left

--

--

Backup Lamp - Right

At the rear of the right frame rail, part of the tail lamp assembly - right

--

--

Backup Lamp Switch (Manual Transmission)

On the rear of the transmission

Lighting Systems Component Views

Lighting Systems Connector End Views

Barometric Pressure (BARO) Sensor (LG5)

On the upper left side of the engine, on the bottom of the fuel rail

--

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Battery - Center (TNR/TPL)

On the outboard side of the right frame rail, in the battery box

Power and Grounding Component Views

--

Battery - Inboard (Family 3)

On the outboard side of the right frame rail, in the battery box

Power and Grounding Component Views

--

Battery - Outboard (Family 3)

On the outboard side of the right frame rail, in the battery box

Power and Grounding Component Views

--

Battery Isolator (VNF)

On the outboard side of the right frame rail, in the battery box

Power and Grounding Component Views

--

Blower Motor - Auxiliary (C36)

Under the rear seat to the right rear of the cab

HVAC Component Views

HVAC Connector End Views

Blower Motor

In the right rear of the engine compartment in back of the fuse block - underhood

HVAC Component Views

HVAC Connector End Views

Blower Motor Relay - Auxiliary (C36)

Under the rear seat to the right rear of the cab mounted to the blower motor - auxiliary

HVAC Component Views

HVAC Connector End Views

Blower Motor Resistor - Auxiliary (C36)

Under the rear seat to the right rear of the cab

HVAC Component Views

HVAC Connector End Views

Blower Motor Resistor Assembly

In the right rear of the engine compartment in the HVAC module in back of the fuse block - underhood

HVAC Component Views

HVAC Connector End Views

Brake Fluid Level Switch (JE3)

At the front of the vehicle, on the front of the brake master cylinder reservoir

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Brake Pressure Modulator Valve (BPMV) - LF (JE4)

On the left front of the front cross member

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Brake Pressure Modulator Valve (BPMV) - LR (JE4)

On the rear frame center crossmember in front of the axle

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Brake Pressure Modulator Valve (BPMV) - RF (JE4)

On the right side and to the front of the front crossmember

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Brake Pressure Modulator Valve (BPMV) - RR (JE4)

On the rear frame center crossmember in front of the axle

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Camshaft Position (CMP) Sensor - Bottom (LG5)

On the back end of the cylinder head

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Camshaft Position (CMP) Sensor - Top (LG5)

On the back end of the cylinder head

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Camshaft Position (CMP) Sensor (L18)

On the front of the engine, at the left side, below the water pump, on the timing chain cover

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Camshaft Position (CMP) Sensor (LG4)

On the back end of the cylinder head

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Camshaft Position (CMP) Sensor (LLY)

Mounted to front engine cover above and to the right of the crankshaft

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Chime Module (UL5/UXZ)

Behind the left side of the I/P above the accelerator pedal

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Cigar Lighter (DT4)

On the center console

Power Outlet Component Views

Power Outlet Connector End Views

Clearance Lamp - Left

On top of the roof, on the forward left outboard side of the cab

Lighting Systems Component Views

Lighting Systems Connector End Views

Clearance Lamp - Right

On top of the roof, on the forward left outboard side of the cab

Lighting Systems Component Views

Lighting Systems Connector End Views

Clutch Pedal Position (CPP) Switch (Manual Transmission)

Behind the left side of the I/P, left of the lower steering column, on the clutch pedal support bracket, at the beginning of clutch pedal travel

    •  Manual Transmission Component Views for the medium duty transmission
    •  Manual Transmission Component Views for the ZF S6-650 transmission
    •  Manual Transmission Connector End Views for the medium duty transmission
    •  Manual Transmission Connector End Views for the ZF S6-650 transmission

Clutch Start Switch (Manual Transmission)

Behind the left side of the I/P, left of the lower steering column, on the clutch pedal support bracket, at the end of clutch pedal travel

Engine Electrical Component Views

Engine Electrical Connector End Views

Controller Area Network (CAN) Connector (L18 w/JE4, LG4, LG5)

On the lower left side of the I/P, left of the lower steering column, by the data link connector (DLC)

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Coolant Level Switch

On the left side of the radiator on the lower left bottom side of the radiator surge tank

Cooling System Component Views

Cooling System Connector End Views

Crankshaft Position (CKP) Sensor (L18)

At the rear of the engine

Engine Controls Component Views in Engine Controls - 8.1L

Engine Controls Connector End Views in Engine Controls - 8.1L

Crankshaft Position (CKP) Sensor (LLY)

Mounted to the front engine cover to the right of the crankshaft

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Crankshaft Position (CKP) Sensor (LG4 and Automatic Transmission)

On the top center of the flywheel housing

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Crankshaft Position (CKP) Sensor (LG4 and Manual Transmission)

On the lower left front of the flywheel housing

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Data Link Connector (DLC)

On the lower left side of the I/P, left of the lower steering column, by the controller area network (CAN) connector

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Data Link Resistor (LLY/L18)

On the I/P harness, behind the right side of the I/P, approximately 54 cm (21 in) past the breakout to the data link connector towards the passenger side.

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Data Link Resistor 1 (L18 w/JE4, LG4, LG5)

On the I/P harness, directly above the data link connector

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Data Link Resistor 2 (L18 w/JE4, LG4, LG5)

Left front of the vehicle, on the chassis harness just forward of the EBCM, approximately 9.5 cm (3.7 in) from the EBCM breakout, towards the forward lamp harness breakout

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Daytime Running Lights (DRL) Diode

Under the left side of the I/P above the data link connector (DLC)

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamps (DRL) Module

Left of the I/P, behind the headlamp switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Differential Lock Switch (HNB/HPL/HPN)

On the left side of the interior bulkhead, behind the I/P, on the air brake supply manifold

Rear Axle Component Views

Rear Axle Connector End Views

Differential Lock Switch Lamp (HNB/HPL/HPN)

Behind the center of the I/P, below the gage center, in the I/P switchbank, part of the pneumatic switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Dome Lamp

In the interior center of the roof

Lighting Systems Component Views

Lighting Systems Connector End Views

Dome Lamp - Rear (Crew Cab)

In the interior center rear of the roof

Lighting Systems Component Views

Lighting Systems Connector End Views

Dome/Reading Lamp - Rear (Crew Cab/C95)

In the interior center of the roof

Lighting Systems Component Views

Lighting Systems Connector End Views

Dome/Reading Lamp (C95)

In the interior center of the roof

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Latch Assembly - Driver (AU3)

Inside the center rear of the driver door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Latch Assembly - LR (Crew Cab/AU3)

Inside the center rear of the left rear door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Latch Assembly - Passenger (AU3)

Inside the center rear of the right front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Latch Assembly - RR (Crew Cab/AU3)

Inside the center rear of the right rear door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Relay (AU0/AU3)

Behind the center of the engine, between engine cover and the HVAC module

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch - Driver (AU3)

On the left front door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch - Passenger (AU3)

On the right front trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Driver Information Center (DIC)

Center of the I/P, left of the I/P switchbank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Electronic Brake Control Module (EBCM)

On the front left frame rail behind the wheel well

Engine Control Module (ECM) (LG4)

Center of the I/P behind the HVAC controller

Engine Controls Component Views for the 7.8L engine

Engine Control Module Connector End Views for the 7.8L engine

Engine Control Module (ECM) (LLY/LG5)

In the right rear of the engine compartment below the fuse block - underhood

    •  Engine Controls Component Views for the 7.2L (Caterpillar) engine
    •  Engine Controls Connector End Views for the 6.6L (LLY) engine
    •  Engine Control Module Connector End Views for the 7.2L (Caterpillar) engine
    •  Engine Control Module Connector End Views for the 6.6L (LLY) engine

Engine Coolant Temperature (ECT) Sensor (L18)

In the right cylinder head between cylinder 6 and 8

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Engine Coolant Temperature (ECT) Sensor (LG4)

On the upper left side of the engine, in the cylinder head, below the water inlet

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Engine Coolant Temperature (ECT) Sensor (LG5)

On the right side of the engine, on the rear of the coolant outlet housing

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Engine Coolant Temperature (ECT) Sensor (LLY)

Top of the front center of the intake manifold, near the oil fill tube

Engine Controls Connector End Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Engine Oil Level Switch (L18/LLY)

On the lower right side of the engine, near the center, in the oil pan

    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 6.6L (LLY) engine

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Level Switch (LG4/LG5)

On the lower left side of the engine, near the center, in the oil pan

    •  Engine Controls Component Views for the 7.8L engine
    •  Engine Controls Component Views for the 7.2L (Caterpillar) engine

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure (EOP) Sensor (L18)

On the top of the rear of the engine, next to the crankshaft position sensor

Engine Controls Component Views for the 8.1L engine

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure (EOP) Sensor (LG4)

On the lower right side of the engine, toward the front

Engine Controls Component Views for the 7.8L engine

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure (EOP) Sensor (LG5)

On the left side of the engine block, on a tee, pointing up

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Instrument Panel, Gages, and Console Connector End Views

Engine Oil Pressure (EOP) Sensor (LLY)

On the lower left rear side of the engine block

Engine Controls Connector End Views for the 6.6L (LLY) engine

Instrument Panel, Gages, and Console Connector End Views

Ether Injector Control Solenoid Valve (LG5/KTE)

On the right side of the exterior bulkhead

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Evaporative Emission (EVAP) Canister Purge Solenoid Valve (L18)

In the engine compartment on the left side of the bulkhead

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Exhaust Brake Actuator Control Solenoid Valve (K40/NPE)

On the inside of the right frame rail behind the shock absorber

Engine Exhaust Brake Component Views

Engine Exhaust Brake Connector End Views

Exhaust Brake Relay (K40/NPE w/o LLY)

In the engine compartment on the right side of the fan shroud

Engine Exhaust Brake Component Views

Engine Exhaust Brake Connector End Views

Exhaust Brake Switch (K40)

Center of the I/P, below the gage center, in the I/P switchbank

Engine Exhaust Brake Component Views

Engine Exhaust Brake Connector End Views

Exhaust Gas Recirculation (EGR) Valve (LG4)

On the upper left side of the engine, center, on the intake manifold

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Exhaust Gas Recirculation (EGR) Valve (LLY)

Right side of the engine above cylinder 1

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Heater (LG4)

On the lower left side of the engine, part of the secondary fuel filter

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Fuel Heater (LLY)

On top of the fuel filter on the left side of the engine, part of the fuel/water separator

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 1 (L18)

On the left front top of the engine at cylinder 1 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 1 (LG4)

On the upper left side of the engine, in the cylinder head, under the valve cover, at cylinder 1

Engine Controls Component Views for the 7.8L engine

--

Fuel Injector 1 (LG5)

On the upper left side of the engine at cylinder 1

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Fuel Injector 1 (LLY)

On the right front side of the engine valve cover at cylinder 1

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 2 (L18)

On the right top of the engine at cylinder 2 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 2 (LG4)

On the upper left side of the engine, in the cylinder head, under the valve cover, at cylinder 2

Engine Controls Component Views for the 7.8L engine

--

Fuel Injector 2 (LG5)

On the upper left side of the engine at cylinder 2

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Fuel Injector 2 (LLY)

On the left front side of the engine valve cover at cylinder 2

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 3 (L18)

On the left top of the engine at cylinder 3 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 3 (LG4)

On the upper left side of the engine, in the cylinder head, under the valve cover, at cylinder 3

Engine Controls Component Views for the 7.8L engine

--

Fuel Injector 3 (LG5)

On the upper left side of the engine at cylinder 3

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Fuel Injector 3 (LLY)

On the right front side of the engine valve cover at cylinder 3

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 4 (L18)

On the right rear top of the engine at cylinder 4 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 4 (LG4)

On the upper left side of the engine, in the cylinder head, under the valve cover, at cylinder 4

Engine Controls Component Views for the 7.8L engine

--

Fuel Injector 4 (LG5)

On the upper left side of the engine at cylinder 4

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Fuel Injector 4 (LLY)

On the left front side of the engine valve cover at cylinder 4

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 5 (L18)

On the left middle top of the engine at cylinder 5 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 5 (LG4)

On the upper left side of the engine, in the cylinder head, under the valve cover, at cylinder 5

Engine Controls Component Views for the 7.8L engine

--

Fuel Injector 5 (LG5)

On the upper left side of the engine at cylinder 5

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Fuel Injector 5 (LLY)

On the right side of the engine valve cover at cylinder 5

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 6 (L18)

On the right middle top of the engine at cylinder 6 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 6 (LG4)

On the upper left side of the engine, in the cylinder head, under the valve cover, at cylinder 6

Engine Controls Component Views for the 7.8L engine

--

Fuel Injector 6 (LG5)

On the upper left side of the engine at cylinder 6

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Fuel Injector 6 (LLY)

On the left rear side of the engine valve cover at cylinder 6

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 7 (L18)

On the left rear top of the engine at cylinder 8 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 7 (LLY)

On the right rear side of the engine valve cover at cylinder 7

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Injector 8 (L18)

On the right rear top of the engine at cylinder 8 intake port

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 8 (LLY)

On the left rear side of the engine valve cover at cylinder 8

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Pressure Regulator (LLY)

--

--

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Tank Transfer Pump - Secondary (L18/LLY)

On the inboard side of the left frame rail between the fuel tanks

Engine Controls Component Views for the 6.6L (LLY) engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

or

Engine Controls Connector End Views for the 8.1L engine

Fuel Pump and Sender Assembly (L18)

On the outboard side of the left frame rail, in the top of the fuel tank

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Fuel Pump Relay - Secondary (Dual Tanks)

On the inboard side of the right frame rail, near SP400

Engine Controls Component Views for the 6.6L (LLY) engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

or

Engine Controls Connector End Views for the 8.1L engine

Fuel Rail Pressure (FRP) Sensor (LG4)

On the upper left side of the engine, on the bottom of the fuel rail

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Fuel Rail Pressure (FRP) Sensor (LLY)

On top of the engine, the right fuel rail

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Rail Temperature (FRT) Sensor (LLY)

On top of the engine, forward of the glow plug control module (GPCM), to the left of the turbocharger on the fuel rail

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Fuel Sender - Secondary (LG4/LG5/LLY)

On the outboard side of the right frame rail, in the top of the fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Sender (LG4/LG5/LLY)

On the outboard side of the left frame rail, in the top of the fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Temperature Sensor (LG4)

On the lower left side of the engine, at the rear, on the fuel injection pump

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Fuse Block - Auxiliary (ANC/B3D)

Top back right side of the engine compartment

Power and Grounding Component Views

--

Fuse Block - I/P - 1

Right side of the I/P under the access cover, on the left

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - I/P - 2

Right side of the I/P under the access cover, on the right

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - Underhood (Primary)

Top back right side of the engine compartment

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - Underhood (Secondary)

Top back right side of the engine compartment

Power and Grounding Component Views

Electrical Center Identification Views

Fusible Link 1

In the engine chassis harness, from the fuse block - underhood (secondary) B+ bus to the glow plug control module (GPCM) fusible link 3

Power and Grounding Component Views

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Fusible Link 2

In the engine chassis harness, from the fuse block - underhood (secondary) B+ bus to the Hydromax© relay

Power and Grounding Component Views

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Fusible Link 3

In the engine chassis harness, from the engine chassis harness to the glow plug control module (GPCM) connector C1

Power and Grounding Component Views

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Generator (w/o K65)

Mounted to the right front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator - Left (K65) (L18/LLY)

Mounted to the left front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator - Right (K65) (L18/LLY)

Mounted to the right front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Glow Plug 1 (LG4)

On the upper left side of the engine, in the cylinder head, at cylinder 1

Engine Controls Component Views for the 7.8L engine

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Glow Plug 1 (LLY)

On the upper right side of the engine, in the cylinder head, at cylinder 1

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 2 (LG4)

On the upper left side of the engine, in the cylinder head, at cylinder 2

Engine Controls Component Views for the 7.8L engine

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Glow Plug 2 (LLY)

On the upper left side of the engine, in the cylinder head, at cylinder 2

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 3 (LG4)

On the upper left side of the engine, in the cylinder head, at cylinder 3

Engine Controls Component Views for the 7.8L engine

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Glow Plug 3 (LLY)

On the upper right side of the engine, in the cylinder head, at cylinder 3

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 4 (LG4)

On the upper left side of the engine, in the cylinder head, at cylinder 4

Engine Controls Component Views for the 7.8L engine

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Glow Plug 4 (LLY)

On the upper left side of the engine, in the cylinder head, at cylinder 4

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 5 (LG4)

On the upper left side of the engine, in the cylinder head, at cylinder 5

Engine Controls Component Views for the 7.8L engine

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Glow Plug 5 (LLY)

On the upper right side of the engine, in the cylinder head, at cylinder 5

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 6 (LG4)

On the upper left side of the engine, in the cylinder head, at cylinder 6

Engine Controls Component Views for the 7.8L engine

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Glow Plug 6 (LLY)

On the upper left side of the engine, in the cylinder head, at cylinder 6

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 7 (LLY)

On the upper right side of the engine, in the cylinder head, at cylinder 7

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug 8 (LLY)

On the upper left side of the engine, in the cylinder head, at cylinder 8

Engine Controls Component Views for the 6.6L (LLY) engine

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Glow Plug Control Module (GPCM) (LLY)

Right front of the engine, mounted above the drive belt tensioner

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Glow Plug Relay (LG4)

In the engine compartment on the right side of the fan shroud

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Hazard Switch

Top of the upper steering column, part of the turn signal/multifunction switch

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Headlamp - High Beam - Left (V22)

On the front left of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp - High Beam - Right (V22)

On the front right of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp - High/Low Beam - Left

Left front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp - High/Low Beam - Right

Right front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Switch

Left side of the I/P, below the HVAC air outlet

Lighting Systems Component Views

Lighting Systems Connector End Views

Heated Oxygen Sensor (HO2S) Bank 1 (L18)

On the left exhaust pipe below the exhaust manifold

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Heated Oxygen Sensor (HO2S) Bank 2 (L18)

On the right exhaust pipe below the exhaust manifold

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

High Idle Switch (UF3)

Center of the I/P, below the gage center, in the I/P switchbank

    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Component Views for the 7.8L engine
    •  Engine Controls Component Views for the 7.2L (Caterpillar) engine
    •  Engine Controls Component Views for the 6.6L (LLY) engine
    •  Engine Controls Connector End Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 7.8L engine
    •  Engine Controls Connector End Views for the 7.2L (Caterpillar) engine
    •  Engine Controls Connector End Views for the 6.6L (LLY) engine

Horn

Behind the front bumper on the front right side of the cross member

Horn Component Views

Horn Connector End Views

Horn Switch

Center of the upper steering column, on the front of the steering wheel

Horn Component Views

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HVAC Control Assembly

Center of the I/P, left of the I/P switchbank

HVAC Component Views

HVAC Connector End Views

HVAC Control Assembly - Auxiliary (C36)

In the front center of the headliner

HVAC Component Views

HVAC Connector End Views

Hydromax® Fuse (JE3)

In the engine compartment left side under the brake master cylinder taped to the harness

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Hydromax® Relay (JE3)

Left rear of the engine compartment behind the power steering fluid reservoir

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Identification (ID) Lamp - Center

On top of the roof, on the forward center of the cab

Lighting Systems Component Views

Lighting Systems Connector End Views

Identification (ID) Lamp - Left

On top of the roof, on the forward left side of the cab, the inboard lamp

Lighting Systems Component Views

Lighting Systems Connector End Views

Identification (ID) Lamp - Right

On top of the roof, on the forward right side of the cab, the inboard lamp

Lighting Systems Component Views

Lighting Systems Connector End Views

Ignition Coil 1 (L18)

On the left side top of the engine, on the valve cover, at the front, at cylinder 1

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 2 (L18)

On the right side top of the engine, on the valve cover, at the front, at cylinder 2

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 3 (L18)

On the left side top of the engine, on the valve cover, at the center, at cylinder 3

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 4 (L18)

On the right side top of the engine, on the valve cover, center, at cylinder 4

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 5 (L18)

On the left side top of the engine, on the valve cover, at the center, at cylinder 5

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 6 (L18)

On the right side top of the engine, on the valve cover, center, at cylinder 6

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 7 (L18)

On the left side top of the engine, on the valve cover, at the rear, at cylinder 7

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 8 (L18)

On the right side top of the engine, on the valve cover, at the rear, at cylinder 8

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Ignition Key Alarm Switch

Right side of the upper steering column, behind the steering wheel, in the ignition key cylinder housing

Power and Grounding Component Views

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Ignition Switch

Right side of the upper steering column, behind the steering wheel

Power and Grounding Component Views

Power and Grounding Connector End Views

Inflatable Restraint Front End Discriminating Sensor (AJ3/AK5)

Behind the front bumper, on the front center of the first crossmember

SIR Component Views

SIR Connector End Views

Inflatable Restraint I/P Module (AK5)

Front right side of the I/P

SIR Component Views

SIR Connector End Views

Inflatable Restraint I/P Module Disable Switch (AK5 w/o AQR)

Center of the I/P, below the gage center, in the I/P switchbank

SIR Component Views

SIR Connector End Views

Inflatable Restraint Resistor Module (AJ3)

Behind the left kick panel

SIR Component Views

SIR Connector End Views

Inflatable Restraint Sensing and Diagnostic Module (SDM) (AJ3/AK5)

Under the driver seat

SIR Component Views

SIR Connector End Views

Inflatable Restraint SIR Coil (AJ3/AK5)

Center of the upper steering column, behind the steering wheel

SIR Component Views

SIR Connector End Views

Inflatable Restraint Steering Wheel Module (AJ3/AK5)

Center of the upper steering column, on the front of the steering wheel

SIR Component Views

SIR Connector End Views

Instrument Panel Cluster (IPC)

In the left side of the I/P

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Intake Air (IA) Heater (LG5)

On the intake manifold

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Intake Air (IA) Heater Relay (LG5)

On the top right side of the cylinder head

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Intake Air (IA) Heater Relay Diode (LG5)

In the intake air (IA) heater harness, approximately 15 cm (5.9 in) from the engine chassis harness connector

Harness Routing Views

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Intake Air Heater (IAH) Module (LLY)

At the rear center of the engine compartment, on the bulkhead

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Intake Air Temperature (IAT) Sensor (LG5)

On the top right side of the cylinder head

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Intake Air Temperature (IAT) Sensor 2 (LLY)

At the front center of the engine, on the intake manifold

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Inter-Axle Differential Lock Switch (Tandem Axle)

On the left side of the interior bulkhead, behind the I/P, on the air brake supply manifold

Rear Axle Component Views

Rear Axle Connector End Views

Inter-Axle Differential Lock Switch Lamp (Tandem Axle)

Behind the center of the I/P, below the gage center, in the I/P switchbank, part of the pneumatic switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Internal Mode Switch (IMS) (L18/LLY w/Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Junction Block - Isolator (VNF)

In the engine compartment, at the top of the right side

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Junction Block - Underhood

In the engine compartment, at the top of the right side

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Junction Block - Upfitter

In the engine compartment, at the top of the right side

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Knock Sensor (KS) Bank 1 (L18)

In the engine block at the left side below the exhaust manifold

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Knock Sensor (KS) Bank 2 (L18)

In the engine block at the right side below the exhaust manifold

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Low Air Pressure Switch - Primary (JE4)

Inboard of the left frame rail, on the front end of the front axle (primary) service (air supply) reservoir

Air Brake System Component Views

Air Brake System Connector End Views

Low Air Pressure Switch - Secondary (JE4)

In back of the passenger foot step, on the end of the rear axle (secondary) service (air supply) reservoir

Air Brake System Component Views

Air Brake System Connector End Views

Manifold Absolute Pressure (MAP) Sensor (L18)

In the front center of the intake manifold behind the water outlet

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Manifold Absolute Pressure (MAP) Sensor (LG4)

On the upper left side of the engine, on the top rear of the intake manifold air inlet elbow

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Manifold Absolute Pressure (MAP) Sensor (LG5)

On the left side of the engine

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Manifold Absolute Pressure (MAP) Sensor (LLY)

Left front of the engine on the intake manifold right below the A/C compressor

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Marker Lamp Switch

Center of the I/P, below the gage center, in the I/P switchbank

Lighting Systems Component Views

Lighting Systems Connector End Views

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (L18/LG4/LLY)

In the engine compartment on the right side of the air cleaner

    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Component Views for the 7.8L engine
    •  Engine Controls Component Views for the 6.6L (LLY) engine
    •  Engine Controls Connector End Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 7.8L engine
    •  Engine Controls Connector End Views for the 6.6L (LLY) engine

Oil Level Sensor (Allison® MD)

Internal to the automatic transmission

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Outside Heated Mirror Switch (DB6/DB8)

Center of the I/P, below the gage center, in the I/P switchbank

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rearview Mirror - Driver (DB6/DB7/DB8)

Forward of the left door on the body

Power Door Systems Component Views

Outside Rearview Mirror - Passenger (DB6/DB7/DB8)

Forward of the right door on the body

Power Door Systems Component Views

Outside Rearview Mirror Switch (DB6)

On the driver door

Power Door Systems Component Views

Power Door Systems Connector End Views

Overdrive Defeat Switch (Allison® LCT)

Center of the I/P, below the HVAC air outlet, left of the radio and the HVAC control assembly

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Park Brake Switch (JE3) (C4/C5)

On the left kick panel to the right rear of the park brake lever

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Park Brake Switch (JE3) (C6/C7/C8)

On the park brake lever under the center console

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Park Brake Switch (JE4)

On the left side of the exterior bulkhead, on the air brake application valve

Air Brake System Component Views

Air Brake System Connector End Views

Park/Neutral Position (PNP) Switch (LG4/LG5 w/Allison® LCT)

Mounted on the left side of the transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Park/Neutral Position (PNP) Switch (Allison® MD)

Internal to the automatic transmission

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Park/Turn Signal Lamp - LF

On the left front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Park/Turn Signal Lamp - RF

On the right front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Power Brake (P/B) Booster Fluid Flow Switch (JE3)

In the engine compartment on the upper left side of the bulkhead, on top of the power brake (P/B) booster pump, behind the brake master cylinder

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Power Brake (P/B) Booster Pump Motor (JE3)

In the engine compartment on the upper left side of the bulkhead, behind the power steering fluid reservoir

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Power Take-Off (PTO) Switch

Center of the I/P, below the gage center, in the I/P switchbank

Power Take-Off (PTO) Component Views

Power Take-Off (PTO) Connector End Views

Powertrain Control Module (PCM) (L18)

In the engine compartment on the left side of the bulkhead

Engine Controls Component Views for the 8.1L engine

Powertrain Control Module Connector End Views for the 8.1L engine

Pressure Control Solenoid (PCS) MAINMOD Valve (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Pressure Control Solenoid (PCS) Valve 1 (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Pressure Control Solenoid (PCS) Valve B (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Pressure Switch 1 (Allison® LCT)

Internal to the automatic transmission, on the pressure switch manifold (PSM)

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Pressure Switch 2 (Allison® LCT)

Internal to the automatic transmission, on the pressure switch manifold (PSM)

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Pressure Switch 3 (Allison® LCT)

Internal to the automatic transmission, on the pressure switch manifold (PSM)

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Pressure Switch 4 (Reverse) (Allison® LCT)

Internal to the automatic transmission, on the pressure switch manifold (PSM)

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Pressure Switch Manifold (PSM) (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Radio (w/o UL5)

Center of the I/P, left of the gage center and I/P switchbank

Entertainment Component Views

Entertainment Connector End Views

Radio Antenna (w/o UL5)

On the exterior lower right A-pillar

Entertainment Component Views

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Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)

Center of the I/P, below the gage center, in the I/P switchbank

Rear Axle Component Views

Rear Axle Connector End Views

Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission)

Mounted on the manual transmission shift lever

Rear Axle Component Views

Rear Axle Connector End Views

Rear Axle Driver Control Switch Lamp - Two Speed (HR1/Automatic Transmission)

Behind the center of the I/P, below the gage center, in the I/P switchbank, part of the pneumatic switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Axle Shift Motor - Two Speed (HPZ)

On the front of the rear axle, on the differential

Rear Axle Component Views

Rear Axle Connector End Views

Rear Axle Shift Relay - Two Speed (HPZ)

On the front side of the crossmember forward of the rear axle

Rear Axle Component Views

Rear Axle Connector End Views

Rear Axle Shift Switch - Two Speed (HR1/HR2)

On the frame rail forward of the rear axle

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Rear Window Defogger Grid (C49)

On the rear window

Stationary Windows Component Views

Stationary Windows Connector End Views

Rear Window Defogger Switch (C49)

Center of the I/P, left of the I/P switchbank, part of the HVAC control assembly

HVAC Component Views

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Remote Control Door Lock Receiver (RCDLR) (AU0)

Under the left side of the I/P above the accelerator pedal

Keyless Entry Component Views

Keyless Entry Connector End Views

Serial Data Gateway (SDG) Module (L18 w/JE4, LG4, LG5)

Above the accelerator pedal on top of the I/P support bracket

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Shift Solenoid C (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Shift Solenoid D (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Shift Solenoid E (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Speaker - LF (w/o UL5)

In the left front door

Entertainment Component Views

Entertainment Connector End Views

Speaker - LF Tweeter (ZQ2)

In the left front door

Entertainment Component Views

Entertainment Connector End Views

Speaker - LR (w/o UL5)

In the left rear door

Entertainment Component Views

Entertainment Connector End Views

Speaker - RF (w/o UL5)

In the right front door

Entertainment Component Views

Entertainment Connector End Views

Speaker - RF Tweeter (ZQ2)

In the right front door

Entertainment Component Views

Entertainment Connector End Views

Speaker - RR (w/o UL5)

In the right rear door

Entertainment Component Views

Entertainment Connector End Views

Starter

On the lower right side of the engine

Engine Electrical Component Views

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Starter Solenoid

On the lower right side of the engine, part of the starter

Engine Electrical Component Views

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Starter Temperature Switch (KQR)

On the lower right side of the engine, part of the starter

Engine Electrical Component Views

Engine Electrical Connector End Views

Stop Lamp Switch (JE3)

Behind the left side of the I/P, right of the lower steering column, at the top of the brake pedal support bracket

Lighting Systems Component Views

Lighting Systems Connector End Views

Stop Lamp Switch (JE4)

On the left side of the exterior bulkhead, under the brake pedal, on the air brake application valve

Lighting Systems Component Views

Lighting Systems Connector End Views

Suction Control Valve (SCV) (LG4)

On the lower left side of the engine, at the rear, on the fuel injection pump

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Suction Control Valve (SCV) (LG5)

On the lower left side of the engine, at the rear

Engine Controls Component Views for the 7.2L (Caterpillar) engine

Engine Controls Connector End Views for the 7.2L (Caterpillar) engine

Sump Fluid Temperature Sensor (Allison® LCT)

Internal to the automatic transmission, on the pressure switch manifold (PSM)

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Sump Fluid Temperature Sensor (Allison® MD)

Internal to the automatic transmission

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Tail Lamp Assembly - Left

At the rear of the left frame rail

Lighting Systems Component Views

Lighting Systems Connector End Views

Tail Lamp Assembly - Right

At the rear of the right frame rail

Lighting Systems Component Views

Lighting Systems Connector End Views

Tail/Stop/Turn Signal and License Lamp

At the rear of the left frame rail, part of the tail lamp assembly - left

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Tail/Stop and Turn Signal Lamp

At the rear of the right frame rail, part of the tail lamp assembly - right

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Throttle Actuator Control (TAC) Module (L18)

Top center front of the engine

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Throttle Body (L18)

Top center front of the engine

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve (Allison® LCT)

Internal to the automatic transmission

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Automatic Transmission Internal Connector End Views for the Allison transmission

Traction Control Switch (NW9)

Center of the I/P, below the gage center, in the I/P switchbank

Traction Control Valve (JE4 and NW9)

On the right side of the crossmember forward of the rear axle

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Tractor/Trailer Connector (RQ2 and U86 or RQ3)

On the left side of the rear crossmember

Lighting Systems Component Views

Lighting Systems Connector End Views

Tractor/Trailer Plug (VPG)

On the left side of the rear crossmember

Lighting Systems Component Views

Lighting Systems Connector End Views

Tractor Receptacle (JE4/RQ3)

On the left side of the rear crossmember

Lighting Systems Component Views

Lighting Systems Connector End Views

Trailer Connector (RQ2 and U86 or RQ3)

On the left side of the rear crossmember

Lighting Systems Component Views

Lighting Systems Connector End Views

Trailer Stop Lamp Switch (JE4 and RQ2 and U86 or JE4 and RQ3)

Below the left side of the I/P on the brake pedal

Lighting Systems Component Views

Lighting Systems Connector End Views

Transfer Case Encoder Motor (NP1)

On the forward right side of the transfer case

Transfer Case Control Component Views for the NVG 273 transfer case

Transfer Case Control Connector End Views for the NVG 273 transfer case

Transfer Case Shift Control Module (NP1)

Behind the left side of the I/P behind the headlamp switch

Transfer Case Control Component Views

Transfer Case Control Connector End Views

Transfer Case Shift Control Switch (NP1)

Center of the I/P, above the I/P switchbank, in the gage center

Transfer Case Control Component Views

Transfer Case Control Connector End Views

Transmission Control Module (TCM) (Allison® LCT or MD)

Right rear of the engine compartment

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Turbine Shaft Speed (TSS) Sensor (Allison® LCT)

On the upper left side of the transmission, behind the transmission bell housing

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Turbine Shaft Speed (TSS) Sensor (Allison® MD)

Internal to the automatic transmission

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Turbocharger Vane Position (TVP) Control Solenoid Valve (LG4)

At the right side of the engine, on the turbocharger behind the intake impeller housing

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Turbocharger Vane Position (TVP) Control Solenoid Valve (LLY)

At the right side of the engine, on the turbocharger behind the intake impeller housing

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Turbocharger Vane Position (TVP) Sensor (LG4)

At the right side of the engine, on the top center of the turbocharger

Engine Controls Component Views for the 7.8L engine

Engine Controls Connector End Views for the 7.8L engine

Turbocharger Vane Position (TVP) Sensor (LLY)

At the right side of the engine, on the top center of the turbocharger

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Turn Signal/Hazard Flasher Module

Left lower side of the I/P to the right of the lower steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn Signal/Multifunction Switch

Center of the upper steering column, behind the steering wheel

Lighting Systems Component Views

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Vacuum Pump (Diesel)

In the engine compartment at the front right of the radiator support by the radiator outlet

HVAC Component Views

HVAC Connector End Views

Vehicle Speed Sensor (VSS) (Automatic Transmission)

On the automatic transmission on the top left rear

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Vehicle Speed Sensor (VSS) (Manual Transmission)

On the transmission on the top left rear

    •  Manual Transmission Component Views for the medium duty transmission
    •  Manual Transmission Component Views for the ZF S6-650 transmission
    •  Manual Transmission Connector End Views for the medium duty transmission
    •  Manual Transmission Connector End Views for the ZF S6-650 transmission

Water-In-Fuel Sensor (LG4/NWB)

On the outboard left frame rail, part of the fuel/water separator - primary

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Water-In-Fuel Sensor (LLY)

On the right side of the engine, on the bottom of the fuel/water separator - secondary

Engine Controls Component Views for the 6.6L (LLY) engine

Engine Controls Connector End Views for the 6.6L (LLY) engine

Wheel Speed Sensor (WSS) - LF (JE3)

Mounted in the left front wheel steering knuckle

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - LF (JE4)

Mounted in the left front wheel steering knuckle

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - LR (JE3)

On the left rear wheel

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - LR (JE4)

Mounted in the left rear brake backing plate

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - LR Middle (Tandem Axle/JE4)

Mounted in the left middle backing plate

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - RF (JE3)

Mounted in the right front wheel steering knuckle

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - RF (JE4)

Mounted in the right front wheel steering knuckle

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - RR (JE3)

Mounted in the right rear brake backing plate

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - RR (JE4)

Mounted in the right rear brake backing plate

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - RR Middle (Tandem Axle/JE4)

Mounted in the right middle backing plate

Air Antilock Brake System Component Views

Air Antilock Brake System Connector End Views

Window Motor - Driver (A31)

In the driver door

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Motor - LR (Crew Cab w/A31)

In the left rear door

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Motor - Passenger (A31)

In the passenger door

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Motor - RR (Crew Cab w/A31)

In the right rear door

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Switch - Driver (A31)

On the driver door trim panel armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Switch - LR (Crew Cab w/A31)

On the left rear door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Switch - Passenger (A31)

On the passenger door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Switch - RR (Crew Cab w/A31)

On the right rear door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Windshield Washer Fluid Level Switch

In the left rear engine compartment mounted on the windshield washer fluid reservoir

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Windshield Washer Fluid Pump

In the left rear engine compartment mounted on the windshield washer fluid reservoir

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Windshield Washer Switch

Left side of the upper steering column, a paddle on the multifunction lever, part of the turn signal/multifunction switch

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Windshield Wiper Motor

In the engine compartment behind the cowl

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Windshield Wiper Switch

Left side of the upper steering column, a ring on the multifunction lever, part of the turn signal/multifunction switch

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C100 (30 cavities)

Chassis harness to the engine chassis harness, near the right front frame rail, behind the shock absorber

Harness Routing Views

Inline Harness Connector End Views

C101 (30 cavities)

I/P harness to the engine chassis harness, right rear of the engine compartment below the engine control module (ECM)/powertrain control module (PCM)/transmission control module (TCM)

Harness Routing Views

Inline Harness Connector End Views

C102 (10 cavities - Transmission Optional Connector)

Chassis harness to the upfitter harness, taped to the engine harness directly below the engine control module (ECM)

Harness Routing Views

Inline Harness Connector End Views

C104 (6 cavities - LG4/LG5)

Engine chassis harness to the exhaust brake harness, forward of the right front shock absorber

Harness Routing Views

Inline Harness Connector End Views

C105 (4 cavities - LG4/LG5)

C105 (8 cavities - LLY/L18)

Engine chassis harness to the A/C harness, in the middle right of the engine compartment near the A/C accumulator/dehydrator

Harness Routing Views

Inline Harness Connector End Views

C106 (6 cavities - C4/C5)

Radiator harness to the chassis harness, near right side of the radiator

Harness Routing Views

Inline Harness Connector End Views

C106 (12 cavities - C6/C7/C8)

Chassis harness to the radiator harness, near right side of the radiator

Harness Routing Views

Inline Harness Connector End Views

C107 (5 cavities)

Chassis harness to forward lamp harness - left, in the left front of the engine compartment on the hood at the left hood hinge

Harness Routing Views

Inline Harness Connector End Views

C108 (5 cavities)

Chassis harness to the forward lamp harness - right, in the right front of the engine compartment on the hood at the right hood hinge

Harness Routing Views

Inline Harness Connector End Views

C109 (40 cavities - L18/LG4)

Engine chassis harness to the I/P harness, back right of the engine under the engine control module (ECM)/powertrain control module (PCM)/transmission control module (TCM)

Harness Routing Views

Inline Harness Connector End Views

C109 (40 cavities - LG5)

Engine chassis harness to the I/P harness, back right of the engine under the engine control module (ECM)/transmission control module (TCM)

Harness Routing Views

Inline Harness Connector End Views

C110 (7 cavities - L18)

Engine chassis harness to the ignition coil harness - bank 1, top left of the engine on top of the intake manifold

Harness Routing Views

Inline Harness Connector End Views

C111 (7 cavities - L18)

Engine chassis harness to the ignition coil harness - bank 2, top right of the engine on the rocker cover

Harness Routing Views

Inline Harness Connector End Views

C111 (3 cavities - LG4)

Engine harness to the engine chassis harness, lower left of the engine

Harness Routing Views

Inline Harness Connector End Views

C111 (3 cavities - LG5)

Engine harness to the engine chassis harness, lower left of the engine

Harness Routing Views

Inline Harness Connector End Views

C112 (10 cavities - L18)

Engine chassis harness to the fuel injector harness, top left of engine above C110

Harness Routing Views

Inline Harness Connector End Views

C113 (6 cavities - LLY)

Engine jumper harness to the engine harness, left upper side of engine, under the upper coolant outlet

Harness Routing Views

Inline Harness Connector End Views

C114 (2 cavities - VNF)

Engine chassis harness to the battery isolator harness, on the right side of the vehicle near the passenger door step

Harness Routing Views

Inline Harness Connector End Views

C115 (1 cavity - LG5)

Engine chassis harness to the starter harness, in the engine compartment near the starter

Harness Routing Views

Inline Harness Connector End Views

C116 (1 cavity - LG5/KQR)

Starter harness to the engine chassis harness, in the engine compartment near the starter

Harness Routing Views

Inline Harness Connector End Views

C118 (38 cavities - LLY)

Engine harness to the engine chassis harness, on the top left center of the engine

Harness Routing Views

Inline Harness Connector End Views

C119 (24 cavities - LLY)

Engine harness to the engine chassis harness, on the top left center of the engine

Harness Routing Views

Inline Harness Connector End Views

C120 (3 cavities - LG5)

Intake air (IA) heater harness to the engine chassis harness

Harness Routing Views

Inline Harness Connector End Views

C121 (10 cavities - Upfitter PTO Connector)

Chassis harness to the upfitter harness, taped to the engine harness to the right of the engine control module (ECM) directly behind the remote battery stud

Harness Routing Views

Inline Harness Connector End Views

C122 (8 cavities - LG4)

Engine harness to the fuel injector harness connector adapter 1 to injector harness 1, on the upper left side of the cylinder head between injector 2 and 3

Harness Routing Views

Inline Harness Connector End Views

C123 (8 cavities - LG4)

Engine harness to the fuel injector harness connector adapter 2 to injector harness 2, on the upper left side of the cylinder head between injector 4 and 5

Harness Routing Views

Inline Harness Connector End Views

C124 (24 cavities - L18/LLY)

I/P harness to the engine chassis harness, at the right side of the engine compartment under the ECM/PCM

Harness Routing Views

Inline Harness Connector End Views

C126 (40 cavities)

I/P harness to the chassis harness, at the right front frame rail behind the shock absorber

Harness Routing Views

Inline Harness Connector End Views

C128 (2 cavities)

I/P harness to the rear chassis harness, at the right front frame rail behind the shock absorber

Harness Routing Views

Inline Harness Connector End Views

C133 (3 cavities - LLY)

Fuel pressure regulator harness to the engine harness

Harness Routing Views

Inline Harness Connector End Views

C134 (4 cavities - LLY)

Fuel rail pressure (FRP) sensor harness to the engine harness

Harness Routing Views

Inline Harness Connector End Views

C135 (3 cavities - LG5)

Engine harness to the intake air (IA) heater harness

Harness Routing Views

Inline Harness Connector End Views

C150 (4 cavities)

Windshield washer harness to the I/P harness, in the engine compartment, behind the windshield washer reservoir

Harness Routing Views

Inline Harness Connector End Views

C175

(20 cavities - Allison® LCT)

(31 cavities - Allison® MD)

Engine chassis harness to the internal transmission harness, on the right side of the transmission, near the rear

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Inline Harness Connector End View for the Allison transmission

C201 (48 cavities)

Steering column harness to the I/P harness, underneath the lower steering column

Harness Routing Views

Inline Harness Connector End Views

C202 (30 cavities)

I/P switchbank harness to the I/P harness, center of the I/P behind the I/P switchbank

Harness Routing Views

Inline Harness Connector End Views

C203 (16 cavities)

I/P harness to the body/roof harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C204 (10 cavities - Crew Cab)

Rear body harness to the body/roof harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C205 (1 cavity - C49)

I/P harness to the body/roof harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C206 (4 cavities)

I/P harness to the body/roof harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C207 (30 cavities)

I/P harness to the cross body harness, behind the right kick panel

Harness Routing Views

Inline Harness Connector End Views

C208 (6 cavities)

Cross body harness to the stop lamp switch harness, behind the left side of the I/P above the brake pedal

Harness Routing Views

Inline Harness Connector End Views

C209 (3 cavities)

Body/roof harness to the I/P harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C210 (2 cavities)

I/P harness to the park brake harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C211 (22 cavities)

Door harness - driver to the cross body harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C212 (22 cavities)

Door harness - passenger to the cross body harness, behind the right kick panel

Harness Routing Views

Inline Harness Connector End Views

C214 (2 cavities)

I/P harness to the auxiliary power posts, right side the I/P

Harness Routing Views

Inline Harness Connector End Views

C215 (8 cavities)

Door harness - driver to the mirror harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C216 (8 cavities)

Door harness - passenger to the mirror harness, behind the right kick panel

Harness Routing Views

Inline Harness Connector End Views

C217 (4 cavities - Crew Cab w/A31)

Door harness - driver to the cross body harness

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C218 (6 cavities)

Air temperature actuator jumper harness to the I/P harness, behind the right side of the I/P

Harness Routing Views

Inline Harness Connector End Views

C275 (2 cavities)

Steering column harness to the I/P harness, center of the upper steering column, on the front of the steering wheel

Harness Routing Views

Inline Harness Connector End Views

C300 (6 cavities - C6/C7/C8 w/M/T)

Transmission harness to the engine chassis harness, right lower side of the engine near transmission bell housing

Harness Routing Views

Inline Harness Connector End Views

C301 (12 cavities - Crew Cab)

Body/roof harness to the rear door harness - left, in the lower left B-pillar

Harness Routing Views

Inline Harness Connector End Views

C302 (12 cavities - Crew Cab)

Body/roof harness to the rear door harness - right, in the lower right B-pillar

Harness Routing Views

Inline Harness Connector End Views

C303 (8 cavities - UZF)

Tail lamp harness to the chassis harness, rear frame crossmember behind the rear tires

Harness Routing Views

Inline Harness Connector End Views

C304 (8 cavities - C6/C7/C8 w/U86 or RQ3)

I/P harness to the front trailer harness, behind the right side of the cab

Harness Routing Views

Inline Harness Connector End Views

C305 (12 cavities - Upfitter Lighting Connector)

Chassis harness to the upfitter harness, taped to the chassis harness at the inboard right frame rail forward of splice pack SP400 (ground block)

Harness Routing Views

Inline Harness Connector End Views

C306 (4 cavities - w/o Crew Cab)

Body/roof harness to the rear speaker harness

Harness Routing Views

Inline Harness Connector End Views

C315 (2 cavities)

Console harness to the body/roof harness, behind the driver seat

Harness Routing Views

Inline Harness Connector End Views

C400 (8 cavities - C6/C7 w/JE3)

Antilock brake system (ABS) harness to the chassis harness

Harness Routing Views

Inline Harness Connector End Views

C401 (8 cavities - JE4)

Chassis harness to the ABS harness, on the inboard right rear frame rail above the axle

Harness Routing Views

Inline Harness Connector End Views

C406 (4 cavities - HPZ, HR1 or HR2)

ABS harness to the rear axle harness, forward of the rear axle, on the inboard right rear frame rail

Harness Routing Views

Inline Harness Connector End Views

C408 (3 cavities - K16)

Air compressor harness to air compressor assembly jumper

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--

C409 (8 cavities - C4/C5)

Fuel tank harness to the rear chassis harness, behind the third cross member from the rear of the vehicle

Harness Routing Views

Inline Harness Connector End Views

C409 (6 cavities - C6/C7/C8)

Fuel tank harness to the rear chassis harness, behind the third cross member from the rear of the vehicle

Harness Routing Views

Inline Harness Connector End Views

C410 (3 cavities - K16)

Chassis harness to the air compressor harness, rear of the air compressor under the left front door step

Harness Routing Views

Inline Harness Connector End Views

C411 (7 cavities)

Tractor/trailer recepticle, at the rear of the vehicle

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--

C412 (8 cavities)

Tail lamp harness to the rear chassis harness

Harness Routing Views

Inline Harness Connector End Views

C413 (7 cavities - U86)

Front trailer harness to rear trailer harness

Harness Routing Views

Inline Harness Connector End Views

C500 (8 cavities)

Outside rearview mirror harness - driver to outside rearview mirror jumper harness - driver, behind the left door panel

Harness Routing Views

Inline Harness Connector End Views

C600 (8 cavities)

Outside rearview mirror harness - passenger to outside rearview mirror jumper harness - passenger, behind the right door panel

Harness Routing Views

Inline Harness Connector End Views

G100

On the RH frame rail, forward of the RH front shock tower

Power and Grounding Component Views

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G101

Mounted to the exterior bulkhead near the master cylinder

Power and Grounding Component Views

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G102

In the engine compartment, in the lower right corner in front of the cowl

Power and Grounding Component Views

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G103

Behind the right side kick panel

Power and Grounding Component Views

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G105

Behind the left kick panel

Power and Grounding Component Views

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G106

On the crossmember underneath the cab

Power and Grounding Component Views

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G112

On the left frame rail below the cab

Power and Grounding Component Views

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G113

--

--

--

G119

Right front of the engine block above G118

Power and Grounding Component Views

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G120

Right front of the engine block below G118

Power and Grounding Component Views

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G200

On the right frame rail near the front right side of the engine

Power and Grounding Component Views

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G202

On the right frame rail near the middle right side of the engine

Power and Grounding Component Views

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G203

On the right frame rail underneath the cab

Power and Grounding Component Views

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G204

Under the driver door step on the frame

Power and Grounding Component Views

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G205

On the right side of the frame below the engine control module (ECM)/powertrain control module (PCM)

Power and Grounding Component Views

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G400 (LLY)

Left rear frame rail before the right rear tire

Power and Grounding Component Views

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G400 (L18)

Left rear of the vehicle behind left rear tires

Power and Grounding Component Views

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S100

(CKT 1020) In the engine harness, approximately 8 cm (3.1 in) from transmission control module (TCM) C2 breakout, toward the fuse block - underhood

Harness Routing Views

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S101 (w/o L18)

(CKT 440) In the engine harness, approximately 18.5 cm (7.3 in) from the breakout for C101, C200 toward the engine control module (ECM)

Harness Routing Views

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S101 (L18)

(CKT 440) In the engine harness

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S102 (w/o L18)

(CKT 439) In the engine harness, approximately 13.5 cm (5.3 in) from the breakout for C101, C200 toward the engine control module (ECM)

Harness Routing Views

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S102 (L18)

(CKT 439) In the engine harness

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S103 (L18/LLY)

(CKT 239) In the engine harness, approximately 23.5 cm (9.3 in) from the breakout for C101, C200 toward the engine control module (ECM)

Harness Routing Views

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S104 (LG4/LG5)

(CKT 1642) In the engine harness, approximately 7 cm (3 in) into the branch to the generator connector C2

Harness Routing Views

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S105 (LG5/LLY)

(CKT 1042) In the engine harness, approximately 5.5 cm (2.2 in) from the breakout for the fuse block - underhood

Harness Routing Views

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S106 (w/o LG4)

(CKT 539) In the engine harness, approximately 20.5 cm (8 in) from the breakout for C118, 119 toward the fuse block - underhood

Harness Routing Views

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S106 (LG4)

(CKT IC02) In the engine harness

Harness Routing Views

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S107 (LLY/LG4/LG5)

(CKT 339) In the engine harness

Harness Routing Views

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S108 (LG5)

(CKT 1540) In the engine harness

Harness Routing Views

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S111 (LLY)

(CKT 5421) In the engine harness

Harness Routing Views

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S112 (LLY)

(CKT 5423) In the engine harness

Harness Routing Views

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S113 (LLY)

(CKT 5422 In the engine harness

Harness Routing Views

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S114 (LLY)

(CKT 5425) In the engine harness

Harness Routing Views

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S114

(CKT 250) In the engine harness, approximately 7 cm (3 in) from the breakout for C121 toward the fuse block - underhood

Harness Routing Views

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S115

(CKT 250) In the engine harness, at the starter solenoid B+ terminal

Harness Routing Views

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S116 (LG5)

(CKT 251) In the engine side of the I/P harness, approximately 10 cm (4 in) from the windshield wiper motor breakout

Harness Routing Views

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S117

(CKT 350) In the forward lamp harness - left, approximately 45 cm (18 in) from the chassis harness connector

Harness Routing Views

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S118

(CKT 351) In the engine harness, approximately 2.5 cm (1 in) from transmission optional connector toward the fuse block - underhood

Harness Routing Views

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S118 (LG4)

(CKT B20, B21) In the engine harness

Harness Routing Views

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S119 (LG4)

(CKT B33, B34) In the engine harness

Harness Routing Views

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S120

(CKT 488) In the engine harness, approximately 7 cm (3 in) from the breakout for C121 toward the fuse block - underhood

Harness Routing Views

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S121 (w/A/T LCT)

(CKT 2522) In the engine harness, approximately 8.5 cm (3.3 in) from the breakout for C101, C200 toward the engine control module (ECM)

Harness Routing Views

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S124

In the engine harness, approximately 27 cm (11 in) from C110

Harness Routing Views

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S130 w/A/T MD

(CKT 407) In the engine harness

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--

S133 (L18 w/K65)

(CKT 25) In the engine harness, approximately 4 cm (2 in) from the exhaust gas recirculation (EGR) valve

Harness Routing Views

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S142 (HPZ)

(CKT 1467) In the engine harness, approximately 12 cm (5 in) from the breakout for C121, toward the powertrain control module (PCM)

Harness Routing Views

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S143

(CKT 350) In the forward lamp harness - right, approximately 45 cm (18 in) from the chassis harness connector

Harness Routing Views

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S144 (V22)

(CKT 11) In the forward lamp harness - right, approximately 45 cm (18 in) from the chassis harness connector

Harness Routing Views

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S145 (V22)

(CKT 11) In the forward lamp harness - left, approximately 45 cm (18 in) from the chassis harness connector

Harness Routing Views

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S145 (LG5)

(CKT 817) In the engine harness, approximately 27 cm (11 in) from C110

Harness Routing Views

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S147 (C60)

(CKT 59) In the A/C harness, approximately 16.5 cm (6.5 in) from the A/C compressor clutch breakout, toward the A/C compressor clutch relay

Harness Routing Views

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S148 (C60)

(CKT 250) In the A/C harness, approximately 24.5 cm (9.6 in) from the A/C compressor clutch breakout, toward the A/C compressor clutch relay

Harness Routing Views

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S149 (LG5)

(CKT 1922) In the engine harness

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S150 (LG5)

(CKT 1921) In the engine harness, approximately 2 cm (1 in) from connector C105 to the park brake harness

Harness Routing Views

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S151

(CKT 2361) In the engine harness, approximately 10 cm (3.9 in) from the breakout for C102 toward the fuse block - underhood

Harness Routing Views

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S152

(CKT 2362) In the engine harness, approximately 11 cm (4.3 in) from the breakout for C102 toward the fuse block - underhood

Harness Routing Views

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S161 (LG5)

(CKT 1121) In the I/P harness, approximately 36 cm (14 in) from C109

Harness Routing Views

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S162 (LG5)

(CKT 1120) In the I/P harness, approximately at the generator C1 terminal

Harness Routing Views

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S165 (L18)

(CKT 250) In the engine harness

Harness Routing Views

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S166 (L18)

(CKT 250) In the engine harness

Harness Routing Views

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S166 (LG4)

(CKT 24) In the engine harness

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S166 (LLY)

(CKT 508) In the engine harness, approximately 24 cm (9.5 in) from C124

Harness Routing Views

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S167 (LLY)

(CKT 2) In the engine chassis harness, approximately 8 cm (3.1 in) from the generator breakout

Harness Routing Views

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S169 (L18)

(CKT 351) In the engine chassis harness

Harness Routing Views

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S175 (L18/LLY w/Allison® LCT)

(CKT 150) In the internal transmission harness

Harness Routing Views

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S175 (LG4/LG5 w/Allison® LCT)

(CKT 2528) In the internal transmission harness

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S176 (Allison® LCT)

(CKT 323) In the internal transmission harness

Harness Routing Views

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S177 (L18/LLY w/Allison® LCT)

(CKT 407) In the internal transmission harness

Harness Routing Views

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S177 (LG4/LG5 w/Allison® LCT)

(CKT 2762, 2471) In the internal transmission harness

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S184 (L18)

(CKT 539) In the engine chassis harness

Harness Routing Views

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S184 (LG4)

(CKT B12) In the engine harness

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S185 (L18)

(CKT 539) In the engine chassis harness

Harness Routing Views

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S186 (L18)

(CKT 339) In the engine chassis harness

Harness Routing Views

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S187 (L18)

(CKT 339) In the engine chassis harness

Harness Routing Views

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S189 (L18)

(CKT 2129) In the engine chassis harness

Harness Routing Views

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S190 (C60)

(CKT 459) In the A/C harness

Harness Routing Views

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S192 (L18)

(CKT 2130) In the engine chassis harness

Harness Routing Views

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S193 (LG4)

(CKT B16) In the engine harness

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S198 (LG4)

(CKT B15, ZZ01) In the engine harness

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S197 (LG5)

(CKT L985) In the engine harness

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S198 (LG5)

(CKT L984) In the engine harness

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S199 (LG5)

(CKT L983) In the engine harness

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S200

(CKT 141) In the I/P harness, approximately 16.5 cm (6.5 in) from the breakout for the engine control module (ECM) toward the fuse block - I/P

Harness Routing Views

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S201

(CKT 300) In the I/P harness, approximately 8 cm (3 in) from the turn signal/hazard flasher module breakout

Harness Routing Views

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S202

(CKT 1142) In the I/P harness, approximately 21.5 cm (8.5 in) from the breakout for the engine control module (ECM) toward the fuse block - I/P

Harness Routing Views

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S203

(CKT 142) In the I/P harness, approximately 12 cm (4.75 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S204

(CKT 242) In the I/P harness, approximately 6.5 cm (2.5 in) from the breakout for C201 between the breakout and C201

Harness Routing Views

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S205

(CKT 1140) In the I/P harness, approximately 7.5 cm (7 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S206

(CKT 2609) In the I/P harness, approximately 32 cm (12.5 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S207

(CKT 618) In the I/P harness, approximately 16 cm (6.3 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S208

(CKT 2509) In the right door harness, approximately 5 cm (2 in) from the breakout for the window motor-passenger between the breakout and the connector

Harness Routing Views

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S209

(CKT 619) In the I/P harness, approximately 4 cm (2 in) from the data link connector breakout toward C200

Harness Routing Views

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S210

(CKT 641) In the I/P harness, approximately 5.5 cm (2 in) from the breakout for HVAC control assembly toward the fuse block - I/P

Harness Routing Views

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S211

(CKT 39) In the I/P harness, approximately 4 cm (1.5 in) from the breakout for HVAC control assembly toward the fuse block - I/P

Harness Routing Views

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S212

(CKT 441) In the I/P harness, approximately 11.5 cm (4.5 in) from the breakout for the engine control module (ECM) toward the fuse block - I/P

Harness Routing Views

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S213

(CKT 139) In the I/P harness, approximately 6.5 cm (2.5 in) from the breakout for HVAC control assembly toward the fuse block - I/P

Harness Routing Views

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S214

(CKT 806) In the I/P harness, approximately 5 cm (2 in) from the breakout to the air temperature actuator jumper harness connector toward the fuse block - I/P

Harness Routing Views

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S215

(CKT 8) In the I/P harness, approximately 6.5 cm (2.5 in) from the breakout for HVAC control assembly toward the fuse block - I/P

Harness Routing Views

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S216

(CKT 1020) In the I/P harness, approximately 2.5 cm (1 in) from the breakout for HVAC control assembly toward the fuse block - I/P

Harness Routing Views

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S217

(CKT 43) In the I/P harness, approximately 7.5 cm (3 in) from the breakout for IPC between the breakout and the IPC connector

Harness Routing Views

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S218

(CKT 540) In the I/P harness, approximately 6.5 cm (2.6 in) from the breakout for C207 between the breakout and C207

Harness Routing Views

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S219

(CKT 840) In the I/P harness, approximately 1.5 cm (0.5 in) from the breakout for HVAC control assembly toward the fuse block - I/P

Harness Routing Views

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S220 (JE3)

(CKT 439) In the I/P harness, approximately 4 cm (1.6 in) from the breakout for C202 toward the fuse block - I/P

Harness Routing Views

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S221

(CKT 1320) In the I/P harness, approximately 26.5 cm (10.5 in) from the breakout for the engine control module (ECM) toward the fuse block - I/P

Harness Routing Views

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S222

(CKT 541) In the I/P harness, approximately 6.5 cm (2.5 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S223 (C6/C7/C8)

(CKT 239) In the I/P harness, approximately 31.5 cm (12.5 in) from the breakout for the engine control module (ECM) toward the fuse block - I/P

Harness Routing Views

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S230

(CKT 1696) In the I/P harness, approximately 10 cm (4 in) from the breakout for C201 between the breakout and C201

Harness Routing Views

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S232

(CKT 1451) In the I/P harness, approximately 38.5 cm (15.1 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S233 (LG4)

(CKT 331) In the engine harness

Harness Routing Views

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S235

(CKT 750) In the I/P switchbank harness, approximately 25 cm (9.6 in) from the I/P harness connector

Harness Routing Views

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S236

(CKT 750) In the I/P switchbank harness, approximately 6 cm (2.3 in) from the I/P harness connector

Harness Routing Views

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S237

(CKT 750) In the I/P switchbank harness

Harness Routing Views

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S238

(CKT 750) In the I/P harness

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S239

(CKT 750) In the I/P harness

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S240

(CKT 750) In the I/P harness, approximately 2.5 cm (1 in) from the breakout for the headlamp switch toward the fuse block - I/P

Harness Routing Views

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S241

(CKT 550) In the cross body harness, approximately 18 cm (7 in) from the IPC connector breakout toward the convenience center

Harness Routing Views

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S243

(CKT 450) In the I/P harness, approximately 6.5 cm (2.5 in) from the breakout for C202 toward the fuse block - I/P

Harness Routing Views

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S244

(CKT 450) In the I/P harness, approximately 12 cm (4.7 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S245

(CKT 450) In the I/P harness, approximately 9 cm (3.5 in) from the breakout for C202 toward the fuse block - I/P

Harness Routing Views

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S247 (w/A/T LCT)

(CKT 2678) In the I/P harness, approximately 8 cm (3 in) from the breakout for the IPC, toward the breakout for the convenience center

Harness Routing Views

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S248

(CKT 553) In the I/P harness, approximately 4 cm (1.6 in) from the breakout for serial data gateway toward the fuse block - I/P

Harness Routing Views

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S249

(CKT 1382) In the I/P harness, approximately 6 cm (2.5 in) from the breakout for C201 toward the cowl

Harness Routing Views

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S250

(CKT 267) In the I/P harness, approximately 5 cm (2 in) from the breakout for the IPC, toward the breakout for the convenience center

Harness Routing Views

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S251

(CKT 267) In the I/P switchbank approximately 10 cm (4 in) from the outside rearview mirror switch connector

Harness Routing Views

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S252

(CKT 15) In the I/P harness, approximately 5 cm (2 in) from the breakout for the data link connector (DLC) toward the fuse block - I/P

Harness Routing Views

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S253

(CKT 14) In the I/P harness, approximately 7.5 cm (3 in) from the breakout for the data link connector (DLC) toward the fuse block - I/P

Harness Routing Views

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S254 (A31)

(CKT 343) In the cross body harness, approximately 17 cm (7 in) from the breakout for G412

Harness Routing Views

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S255

(CKT 640) In the I/P harness, approximately 4 cm (1.6 in) from the breakout for C202 toward the fuse block - I/P

Harness Routing Views

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S256 (C6/C7/C8)

(CKT 318) In the I/P harness, approximately 8 cm (3 in) from the upfitter accessory feed connector breakout, toward the IPC connector breakout

Harness Routing Views

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S257 (C6/C7/C8)

(CKT 319) In the I/P harness, approximately 6.5 cm (2.5 in) from the breakout for C201 toward the fuse block - I/P

Harness Routing Views

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S258

(CKT 1467) In the I/P switchbank harness, approximately 4 cm (2 in) from the breakout for the convenience center toward the breakout for C210

Harness Routing Views

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S259

(CKT 21) In the I/P harness, approximately 2.5 cm (1 in) from the breakout for chime module toward the fuse block - I/P

Harness Routing Views

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S260

(CKT 28) In the I/P harness, approximately 52 cm (20 in) from C207

Harness Routing Views

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S261

(CKT 9) In the I/P harness, approximately 5 cm (2 in) from the breakout for C201 toward the cowl

Harness Routing Views

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S262 (JE3)

(CKT 17) In the I/P harness, approximately 20 cm (7.9 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S263

(CKT 10) In the I/P harness, approximately 6 cm (2 in) into the multifunction alarm module breakout from the main harness

Harness Routing Views

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S264

(CKT 592) In the I/P harness, approximately 21 cm (8.25 in) from the breakout for IPC toward the fuse block - I/P

Harness Routing Views

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S265

(CKT 11) In the I/P harness, approximately 20 cm (8 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S267

(CKT 2509) In the cross body harness, approximately 4 cm (2 in) from the turn signal/multifunction switch C1 breakout toward the turn signal/hazard flasher module breakout

Harness Routing Views

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S268

(CKT 140) In the I/P harness, approximately 28 cm (11 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S269

(CKT 420) In the I/P harness, approximately 11 cm (4.3 in) from the breakout for C207 between the breakout and C207

Harness Routing Views

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S270

(CKT 1134) In the I/P harness, approximately 29.5 cm (11.5 in) from the breakout for C203 toward the fuse block - I/P

Harness Routing Views

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S272

(CKT 1139) In the I/P harness

Harness Routing Views

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S273

(CKT 1922) In the I/P harness, approximately 15 cm (6 in) from the breakout to the air temperature actuator jumper harness connector toward the fuse block - I/P

Harness Routing Views

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S274

(CKT 1921) In the I/P harness, approximately 10 cm (4 in) from the breakout to the air temperature actuator jumper harness connector toward the fuse block - I/P

Harness Routing Views

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S277 (L18 w/JE4, LG4, LG5)

(CKT 2362) In the I/P harness, approximately 6 cm (2 in) from the turn signal/hazard flasher module

Harness Routing Views

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S278 (L18 w/JE4, LG4, LG5)

(CKT 2361) In the I/P harness, approximately 6 cm (2 in) from the turn signal/hazard flasher module

Harness Routing Views

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S279 (L18 w/JE4, LG4, LG5)

(CKT 2362) In the I/P harness, approximately 16.5 cm (6.5 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S280 (L18 w/JE4, LG4, LG5)

(CKT 2361) In the I/P harness, approximately 17.5 cm (7 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S284 (L18, LG4, LLY)

(CKT 488) In the I/P harness, approximately 24 cm (9.5 in) from the breakout to the air temperature actuator jumper harness connector

Harness Routing Views

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S290 (L18/LLY)

(CKT 6105)

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S291 (L18/LLY)

(CKT 6106)

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S300

(CKT 540) In the cross body harness, approximately 5 cm (2 in) to the rear of the ground block breakout

Harness Routing Views

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S301 (w/o Crew Cab/UZA)

(CKT 750) In the body/roof harness, approximately 13 cm (5 in) before the console harness connector and dome/marker lamps breakouts

Harness Routing Views

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S301 (Crew Cab w/o UZA)

(CKT 750) In the body/roof harness, approximately 7 cm (3 in) before the breakouts to the marker and dome lamps

Harness Routing Views

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S302 (Crew Cab)

(CKT 550) In the body/roof harness, approximately 8 cm (3 in) before the left door harness connector breakout

Harness Routing Views

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S303 (LG4/LG5)

(CKT 1962) In the exhaust brake harness, approximately 11 cm (4 in) from the engine control module (ECM) connector

Harness Routing Views

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S304

(CKT 267) In the cross body harness, approximately 5 cm (2 in) to the rear of the ground block breakout

Harness Routing Views

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S305

(CKT 195) In the cross body harness, approximately 10 cm (4 in) to the rear of the ground block breakout

Harness Routing Views

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S306

(CKT 194) In the cross body harness, approximately 10 cm (4 in) to the rear of the ground block breakout

Harness Routing Views

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S307

(CKT 294) In the cross body harness, approximately 10 cm (4 in) from the left fuel pump and sender assembly breakout

Harness Routing Views

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S308 (Crew Cab)

(CKT 294) In the body/roof harness, approximately 62 cm (24 in) from the breakout for C203

Harness Routing Views

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S309

(CKT 295) In the cross body harness

Harness Routing Views

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S310 (Crew Cab)

(CKT 295) In the body/roof harness, approximately 52 cm (20 in) from the breakout for C203

Harness Routing Views

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S312 (Crew Cab)

(CKT 343) In the body/roof harness, approximately 42 cm (16 in) from the breakout for C203

Harness Routing Views

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S313 (UZF)

(CKT 24) In the backup alarm harness, approximately 30 cm (12 in) from the breakout for C412 toward the heated moisture ejector valve

Harness Routing Views

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S314 (UZF)

(CKT 350) In the backup alarm harness, approximately 11 cm (4 in) from the powertrain control module (PCM) connector

Harness Routing Views

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S315 (C4/C5 w/U86)

(CKT 318) In the rear chassis harness, approximately resistor splice, 11 cm (4 in) from the powertrain control module (PCM) connector

Harness Routing Views

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S316 (C4/C5 w/U86)

(CKT 319) In the rear chassis harness, approximately 5 cm (2 in) from the left fuel pump and sender assembly breakout

Harness Routing Views

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S317

(CKT 21) In the cross body harness, approximately 11 cm (4 in) from the transmission control module connector

Harness Routing Views

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S319

(CKT 24) In the rear chassis harness, approximately 6.5 cm (2.5 in) from the breakout for the ground block toward the electronic brake control module (EBCM)

Harness Routing Views

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S320

(CKT 11) In the rear chassis harness, approximately 10.5 cm (4 in) from the breakout for C108 toward the electronic brake control module (EBCM)

Harness Routing Views

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S321

(CKT 12) In the rear chassis harness, approximately 6.5 cm (2.5 in) from the breakout for C108 toward the electronic brake control module (EBCM)

Harness Routing Views

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S322

(CKT 328) In the body/roof harness, approximately 23 cm (9 in) before the left door harness connector breakout

Harness Routing Views

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S323 (Crew Cab)

(CKT 328) In the body harness, approximately 3 cm (1 in) from the right door lock actuator

Harness Routing Views

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S324 (Crew Cab)

(CKT 40) In the body/roof harness, approximately 22 cm (9 in) from the breakout for C203

Harness Routing Views

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S325 (Crew Cab)

(CKT 156) In the body/roof harness, approximately 18 cm (7 in) before the left door harness connector breakout

Harness Routing Views

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S326 (Crew Cab)

(CKT 2509) In the body/roof harness, approximately 10 cm (4 in) from the console harness connector breakout, toward the left door harness connector breakout

Harness Routing Views

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S327

(CKT 2661) In the rear chassis harness, approximately 22 cm (9 in) from the IPC breakout toward the data link connector breakout

Harness Routing Views

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S328

(CKT 2662) In the rear chassis harness, approximately 4 cm (2 in) from the breakout for the I/P connector C202 toward the right door lock switch connector C218

Harness Routing Views

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S329

(CKT 746) In the cross body harness, approximately 44 cm (17 in) from the radio connector breakout toward the I/P fuse block breakout

Harness Routing Views

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S330

(CKT 1139) In the body harness, approximately 16 cm (6 in) or 30 cm (12 in) from the A/T shift lever connector

Harness Routing Views

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S331 (L18 w/JE4, LG4, LG5)

(CKT 2362) In the rear chassis harness

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S332 (L18 w/JE4, LG4, LG5)

(CKT 2361) In the rear chassis harness

Harness Routing Views

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S333

(CKT 451) In the engine harness, approximately 11 cm (4 in) from the transmission control module (TCM) connector

Harness Routing Views

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S334

(CKT 451) In the I/P harness, approximately 3 cm (1 in) from the window actuator motor breakout toward the pass through

Harness Routing Views

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S400

(CKT 151) In the right power window harness, approximately 3 cm (1 in) from the driver window switch

Harness Routing Views

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S401

(CKT 350) In the ABS harness

Harness Routing Views

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S402

(CKT 350) In the rear chassis harness, approximately 5 cm (2 in) before the tail lamps breakout

Harness Routing Views

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S403

(CKT 151) In the rear chassis harness, approximately 4 cm (1.5 in) from the breakout for C117 the ground block

Harness Routing Views

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S404

(CKT 350) In the rear chassis harness, approximately 8 cm (3 in) from the breakout for fuel injector 5

Harness Routing Views

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S406

(CKT 351) In the rear chassis harness, approximately 4 cm (2 in) from the underhood fuse block breakout, toward the windshield wiper motor breakout

Harness Routing Views

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S407 (L18 w/Dual Tanks)

(CKT 120) In the fuel tank harness

Harness Routing Views

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S408 (C4/C5)

(CKT 470) In the fuel tank harness 16 cm (6 in) from the breakout for C123

Harness Routing Views

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S409

(CKT 642) In the rear chassis harness, approximately 6.5 cm (2.5 in) from the breakout for RR WSS toward the trailer connector

Harness Routing Views

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S410

(CKT 24) In the tail lamp harness, approximately 7 cm (3 in) from the coolant level switch breakout, toward the engine coolant temperature switch

Harness Routing Views

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S411 (JE3)

(CKT 1928) In the rear chassis harness

Harness Routing Views

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S412

(CKT 241) In the I/P harness, approximately 18 cm (7 in) from the breakout for the I/P gage center toward the fuse block - I/P

Harness Routing Views

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S413

(CKT 1470) In the engine harness, approximately 8 cm (3 in) from the breakout for C123

Harness Routing Views

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S415 (C6/C7/C8)

(CKT 470) In the fuel tank harness, approximately 4 cm (2 in) from the breakout for the I/P connector C202 toward the left door lock switch connector

Harness Routing Views

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S416

(CKT 151) In the rear chassis harness

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S417

(CKT 151) In the rear chassis harness

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S419 (L18/LG4/LG5)

(CKT 350) In the fual tank harness

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S421 (K16)

(CKT 350) In the air compressor assembly jumper harness

Harness Routing Views

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S430

(CKT 2609) In the chassis harness on the right hand frame rail under the cab, approximately 10.5 cm (4.1 in) before the breakout to G203

Harness Routing Views

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S431

(CKT 2509) In the chassis harness on the right hand frame rail under the cab, approximately 14.5 cm (5.7 in) before the breakout to G203

Harness Routing Views

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S500

(CKT 540) In the driver door harness, approximately 4.5 cm (1.75 in) from the breakout for the outside rearview mirror switch toward the switch

Harness Routing Views

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S501

(CKT 550) In the driver door harness, approximately 9 cm (4 in) from the park brake pressure sensor connector

Harness Routing Views

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S502 (ZQ2)

(CKT 201) In the driver door harness, approximately 3 cm (1 in) from the window actuator motor breakout toward the pass through

Harness Routing Views

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S503 (ZQ2)

(CKT 118) In the driver door harness, approximately 30 cm (11.75 in) from the breakout for the tweeter connector toward the cross body harness

Harness Routing Views

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S505

(CKT 343) In the driver door harness, approximately 4.5 cm (1.75 in) from the breakout for the OSRVM connector toward the cross body harness

Harness Routing Views

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S600

(CKT 550) In the rear passenger door harness, approximately 6.5 cm (2.5 in) from the breakout for the rear window switch toward C700

Harness Routing Views

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S602 (ZQ2)

(CKT 200) In the front passenger door harness, approximately 30 cm (12 in) from the breakout for the speaker - RF door toward C500

Harness Routing Views

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S603 (ZQ2)

(CKT 117) In the front passenger door harness, approximately 20 cm (8 in) from the breakout for the speaker - RF door toward C500

Harness Routing Views

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S700 (A31/Crew Cab)

(CKT 550) In the left rear door harness, approximately 11 cm (1 in) from the window switch

Harness Routing Views

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S800 (A31/Crew Cab)

(CKT 550) In the right rear door harness

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SP203 (12 cavities)

Behind the left side of the I/P below the headlamp switch

Harness Routing Views

SP400 (Ground Block) (6 cavities)

On the inboard side of the right frame rail behind the cab, part of the negative battery cable

Harness Routing Views

Splice Pack Connector End Views