Name | Location | Locator View | Connector End View | ||||||||||||||||||||
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A/C Compressor Clutch Relay (C60) | In the engine compartment mounted to the front right of the radiator shroud | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
A/C Compressor Clutch (C60) | In the engine compartment mounted to the front right of the engine | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
A/C High Pressure Switch (C60) | Mounted on the back side of the A/C compressor | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
A/C Low Pressure Switch (C60) | In the engine compartment mounted to the A/C accumulator | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
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 in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Accelerator Pedal Position (APP) Sensor | Mounted to the top of the accelerator pedal |
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Air Brake Dryer (JE4/JTU) | On the inboard side of the right frame rail | Air Brake System Component Views in Air Brakes | Air Brake System Connector End Views in Air Brakes | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Air Compressor (K16) | Behind the cab at the outboard left frame rail | Auxiliary Air Compressor Component Views in Air Compressor - Auxiliary | Auxiliary Air Compressor Connector End Views in Air Compressor - Auxiliary | ||||||||||||||||||||
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 in Air Compressor - Auxiliary | Auxiliary Air Compressor Connector End Views in Air Compressor - Auxiliary | ||||||||||||||||||||
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 in Air Suspension | Suspension Controls Connector End Views in Air Suspension | ||||||||||||||||||||
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 in Air Suspension | Suspension Controls Connector End Views in Air Suspension | ||||||||||||||||||||
Air Temperature Actuator (C60) | Behind the right side of the I/P on the HVAC module near the engine cover | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Antenna (w/o UL5) | On the exterior lower right A-pillar | Entertainment Component Views in Entertainment | -- | ||||||||||||||||||||
Automatic Transmission Fluid Temperature (TFT) Gage (Allison® UTX) | Center of the I/P, above the I/P switchbank, in the gage center | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Automatic Transmission Fluid Temperature (TFT) Gage Lamp (Allison® UTX) | Behind the center of the I/P, above the I/P switchbank, in the gage center, part of the gage assembly | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Automatic Transmission Fluid Temperature (TFT) Sensor (Allison® LCT/UTX) | Right lower part of the radiator, on the transmission cooler line | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Automatic Transmission Input Shaft Speed (AT ISS) Sensor (M74) | On the upper left side of the transmission, on the transmission bell housing | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
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 in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Automatic Transmission Shift Lever Position Indicator (Allison® LCT) | In the center console, part of the automatic transmission shift lever | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Automatic Transmission Shift Selector (Allison® MD) | On the left side of the center console housing, at the top | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Auxiliary Power Outlet 1 | Right side center of the I/P | ||||||||||||||||||||||
Auxiliary Power Outlet 2 | In the center of the I/P | ||||||||||||||||||||||
Auxiliary Power Post (+/-) | Right side the I/P |
in Power Outlets | -- | ||||||||||||||||||||
Backup Alarm (UZF) | On the back of the rear crossmember, on a bracket | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
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 (C6/C7/C8/MWW/MWX) | On the rear of the transmission | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Backup Lamp Switch (M74) | Integrated in the park/neutral position (PNP) switch on the left side of the transmission | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Barometric Pressure (BARO) Sensor (LB7/LLY) | Left side of the engine near the fuel injectors 2 and 4 |
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Battery Isolator (VNF) | On the outboard side of the right frame rail, in the battery box | -- | |||||||||||||||||||||
Blower Motor - Auxiliary (C36) | Under the rear seat to the right rear of the cab | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Blower Motor (C40/C60) | In the right rear of the engine compartment in the HVAC case in back of the fuse block - underhood | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
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 in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Blower Motor Resistor - Auxiliary (C36) | Under the rear seat to the right rear of the cab | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Blower Motor Resistor Assembly (C40/C60) | In the right rear of the engine compartment in the HVAC module in back of the fuse block-underhood | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Boost Pressure Sensor (LLY) | Left front of the engine on the intake manifold right below the A/C compressor | Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Brake Booster Pump Inline Fuse | In the engine compartment left side under the brake master cylinder | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Brake Fluid Level Switch (JE3) | At the front of the vehicle, on the front of the brake master cylinder reservoir | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Brake Pressure Modulator Valve (BPMV) - LF (JE4) | On the left front of the front cross member | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Brake Pressure Modulator Valve (BPMV) - LR (JE4) | On the rear frame center crossmember in front of the axle | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
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 in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Brake Pressure Modulator Valve (BPMV) - RR (JE4) | On the rear frame center crossmember in front of the axle | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Camshaft Position (CMP) Sensor (C4/C5) | Mounted to the front engine cover above and to the right of the crankshaft |
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Chime Module (UL5/UXZ) | Behind the left side of the I/P above the accelerator pedal | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Cigar Lighter (DT4) | On the center console | ||||||||||||||||||||||
Clearance Lamp - Left | On top of the roof, on the forward left outboard side of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Clearance Lamp - Right | On top of the roof, on the forward right outboard side of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
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 in Manual Transmission - Medium Duty | Manual Transmission Connector End Views in Manual Transmission - Medium Duty | ||||||||||||||||||||
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 in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical | ||||||||||||||||||||
Controller Area Network (CAN) Connector | On the lower left side of the I/P, left of the lower steering column, by the data link connector (DLC) | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications | ||||||||||||||||||||
Coolant Bypass Valve Solenoid (C36) | Under the cab below the right rear seat | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
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 in Engine Cooling | Cooling System Connector End Views in Engine Cooling | ||||||||||||||||||||
Cooling Fan Clutch (LG4/LG5) | Front center of the engine | Cooling System Component Views in Engine Cooling | Cooling System Connector End Views in Engine Cooling | ||||||||||||||||||||
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 (LB7/LLY) | Mounted to the front engine cover to the right of the crankshaft |
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Crankshaft Position (CKP) Sensor (LG4 and Automatic Transmission) | On the top center of the flywheel housing | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Crankshaft Position (CKP) Sensor (LG4 and Manual Transmission) | On the lower left front of the flywheel housing | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Crankshaft Position (CKP) Sensor (LG5) | By the flywheel | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Data Link Communications Resistor 1 | In the I/P harness, taped to the main harness, approximately 9.5 cm (3.7 In) from the EBCM breakout, towards the forward lamp harness breakout | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications | ||||||||||||||||||||
Data Link Communications Resistor 2 | In the chassis harness, taped to the main harness, approximately 9.5 cm (3.7 In) from the EBCM breakout, towards the forward lamp harness breakout | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications | ||||||||||||||||||||
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 | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications | ||||||||||||||||||||
Daytime Running Lights (DRL) Diode | Under the left side of the I/P above the data link connector (DLC) | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Daytime Running Lights (DRL) Module | Left of the I/P, behind the headlamp switch | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
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 in Drive Axle - Locking/Limited Slip | Rear Axle Connector End Views in Drive Axle - Locking/Limited Slip | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Dome and Reading Lamps | In the headliner | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Dome Lamp - Rear (Crew Cab) | In the interior center rear of the roof | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Dome/Reading Lamp - Rear (Crew Cab/C95) | In the interior center of the roof | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Dome/Reading Lamp (C95) | In the interior center of the roof | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Door Latch Assembly - Driver (AU3) | Inside the center rear of the driver door | ||||||||||||||||||||||
Door Latch Assembly - LR (Crew Cab/AU3) | Inside the center rear of the left rear door | ||||||||||||||||||||||
Door Latch Assembly - Passenger (AU3) | Inside the center rear of the right front door | ||||||||||||||||||||||
Door Latch Assembly - RR (Crew Cab/AU3) | Inside the center rear of the right rear door | ||||||||||||||||||||||
Door Lock Relay (AU0/AU3) | Behind the center of the I/P between the engine cover and the HVAC case | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Door Lock Switch - Driver (AU3) | On the left front door trim panel | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Door Lock Switch - Passenger (AU3) | On the right front trim panel | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Driver Information Center (DIC) | Center of the I/P, left of the I/P switchbank | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Electronic Brake Control Module (EBCM) | On the front left frame rail behind the wheel well | Antilock Brake System Component Views in Antilock Brake System or Air Antilock Brake System Component Views in Air Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System or Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Engine Control Module (ECM) (LG4) | Center of the I/P behind the HVAC controller | Engine Controls Component Views in Engine Controls - 7.8L | Engine Control Module Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Engine Control Module (ECM) (LB7/LLY/LG5) | In the engine compartment below the fuse block - underhood |
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Engine Coolant Temperature (ECT) Sensor (LB7/LLY) | Top of the front center of the intake manifold, near the oil fill tube |
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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 in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
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 in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Engine Coolant Temperature (ECT) Sensor (L18) | In the right cylinder head between cylinder 6 and 8 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Engine Oil Level Switch (LB7/LLY/L18) | On the lower right side of the engine, near the center, in the oil pan | Engine Controls Component Views in Engine Controls - 6.6L (LB7) | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Engine Oil Level Switch (LG5) | On the lower left side of the engine, near the center, in the oil pan | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Engine Oil Level Switch (LG4) | On the lower left side of the engine, near the center, in the oil pan | Engine Controls Component Views in Engine Controls - 7.8L | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Engine Oil Pressure (EOP) Sensor (LB7/LLY) | On the lower left rear side of the engine block |
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Engine Oil Pressure (EOP) Sensor (LG5) | On the left side of the engine block, on a tee, pointing up | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Engine Oil Pressure (EOP) Sensor (LG4) | On the lower right side of the engine, toward the front | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
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 in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ether Injector Control Solenoid Valve (LG5/KTE) | On the right side of the exterior bulkhead | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (L18) | In the engine compartment on the left side of the exterior bulkhead | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
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 in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust | ||||||||||||||||||||
Exhaust Brake Relay (K40/NPE) | In the engine compartment on the right side of the fan shroud | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust | ||||||||||||||||||||
Exhaust Brake Switch (K40) | Center of the I/P, below the gage center, in the I/P switchbank | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust | ||||||||||||||||||||
Exhaust Gas Recirculation (EGR) Valve (LLY) | Right side of the engine above cylinder 1 | Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Exhaust Gas Recirculation (EGR) Valve (LG4/CTF) | On the upper left side of the engine, center, on the intake manifold | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Fuel Heater/Fuel Housing (LB7/LLY) | On top of the fuel filter on the left side of the engine | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injection Control Module (FICM) (LB7/LLY) | RF of the engine mounted above the RF valve cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Control Module Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 1 (LG4/LG5) | On the upper left side of the engine at the 1 cylinder intake port | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.8L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Injector 1 (LB7/LLY) | On the right front side of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 1 (L18) | Left front top of the engine at 1 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 2 (LG4/LG5) | On the upper left side of the engine, at the 2 cylinder intake port | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.8L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Injector 2 (LB7/LLY) | On the left front side of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 2 (L18) | Right front top of the engine at the 2 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 3 (LG4/LG5) | On the upper left side of the engine, at the 2 cylinder intake port | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.8L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Injector 3 (LB7/LLY) | On the right front center side of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 3 (L18) | Left middle top of the engine at 3 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 4 (LG4/LG5) | On the upper left side of the engine, at the 4 cylinder intake port | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.8L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Injector 4 (LB7/LLY) | On the left front center side of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 4 (L18) | Right middle top of the engine at the 4 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 5 (LG4/LG5) | On the upper left side of the engine, at the 5 cylinder intake port | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.8L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Injector 5 (LB7/LLY) | On the right rear center of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 5 (L18) | Left middle top of the engine at the 5 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 6 (LG4/LG5) | On the upper left side of the engine, at the 6 cylinder intake port | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.8L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Injectors 6 (LB7/LLY) | On the left rear center of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injectors 6 (L18) | Right middle top of the engine at the 6 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 7 (LB7/LLY) | On the right rear side of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 7 (L18) | Left rear top of the engine at the 7 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Injector 8 (LB7/LLY) | On the left rear side of the engine rocker cover | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Injector 8 (L18) | Right rear top of the engine at the 8 cylinder intake port | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Pressure Regulator (LB7/LLY) | Mounted to the injector pump at the front center of the engine | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) or Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Pump and Sender Assembly (L18) | In the fuel tank that is mounted to the left frame rail | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Pump Relay - Secondary (Dual Tanks) | On the inboard side of the right frame rail, near SP400 | Engine Controls Component Views in Engine Controls - 6.6L (LLY) or Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) or Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Fuel Rail Pressure (FRP) Sensor (LB7/LLY) | On top of the engine, the right fuel rail |
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Fuel Rail Pressure (FRP) Sensor (LG5) | On the upper left side of the engine, on the bottom of the fuel rail | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Fuel Rail Pressure (FRP) Sensor (LG4) | On the upper left side of the engine, on the front of the fuel rail | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Fuel Rail Temperature (FRT) Sensor (LLY) | On top of the engine, forward of the glow plug controller, to the left of the turbocharger on the fuel rail | Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Fuel Sender - Primary (LB7/LLY/LG4) | Top of the primary fuel tank | Engine Controls Component Views in Engine Controls - 6.6L (LB7) | Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) | ||||||||||||||||||||
Fuel Sender - Secondary (Dual Tanks) | In the right fuel tank |
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Fuel Tank Transfer Pump - Secondary (LB7/LLY/L18) | On the inboard side of the left frame rail between tanks | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 6.6L (LB7) | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 6.6L (LB7) | ||||||||||||||||||||
Fuse Block - Auxiliary (ANC/B3D) | Top back right side of the engine compartment | -- | |||||||||||||||||||||
Fuse Block - I/P - 1 | Right side of the I/P under the access cover, on the left | ||||||||||||||||||||||
Fuse Block - I/P - 2 | Right side of the I/P under the access cover, on the right | ||||||||||||||||||||||
Fuse Block - Underhood (Primary) | Top back right of the engine compartment | ||||||||||||||||||||||
Fuse Block - Underhood (Secondary) | Top back right of the engine compartment | ||||||||||||||||||||||
Generator | Mounted to the right front of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical | ||||||||||||||||||||
Generator (Left) (KXB - LB7/LLY/L18) | Mounted to the left front of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical | ||||||||||||||||||||
Generator (Right) (KXB - LB7/LLY/L18) | Mounted to the right front of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical | ||||||||||||||||||||
Glow Plug 1 (LB7/LLY) | Right side of the engine above cylinder 1 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 1 (LG4/LG5) | On the upper left side of the engine, above cylinder 1 | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Glow Plug 2 (LB7/LLY) | Left side of the engine above cylinder 2 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 2 (LG4/LG5) | On the upper left side of the engine, above cylinder 2 | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Glow Plug 3 (LB7/LLY) | Right side of the engine above cylinder 3 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 3 (LG4/LG5) | On the upper left side of the engine, above cylinder 3 | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Glow Plug 4 (LB7/LLY) | Left side of the engine above cylinder 4 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 4 (LG4/LG5) | On the upper left side of the engine, above cylinder 4 | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Glow Plug 5 (LB7/LLY) | Right side of the engine above cylinder 5 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 5 (LG4/LG5) | On the upper left side of the engine, above cylinder 5 | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Glow Plug 6 (LB7/LLY) | Left side of the engine above cylinder 6 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 6 (LG4/LG5) | On the upper left side of the engine, above cylinder 6 | Engine Controls Component Views in Engine Controls - 7.8L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Glow Plug 7 (LB7/LLY) | Right side of the engine above cylinder 7 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug 8 (LB7/LLY) | Left side of the engine above cylinder 8 | Engine Controls Component Views in Engine Controls - 6.6L (LB7) or Engine Controls Component Views in Engine Controls - 6.6L (LLY) | -- | ||||||||||||||||||||
Glow Plug Control Module (GPCM) (LLY) | Rear of the engine above the rocker cover to the left of the turbocharger unit | Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Glow Plug Relay (Diesel) | In the engine compartment on the cowl |
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Hazard Switch | Top of the upper steering column, part of the turn signal/multifunction switch | -- | -- | ||||||||||||||||||||
Headlamp - High Beam - Left (HPR) | On the front left of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Headlamp - High Beam - Right (HPR) | On the front right of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Headlamp - Left (HPR) | On the front left of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Headlamp - Right (HPR) | Front right of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Headlamp - High/Low Beam - Left (8D5) | Left front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Headlamp - High/Low Beam - Right (8D5) | Right front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Headlamp Switch | Left side of the I/P, below the HVAC air outlet | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Heated Oxygen Sensor (HO2S) Bank 1 (L18) | On the left exhaust pipe below the exhaust manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Heated Oxygen Sensor (HO2S) Bank 2 (L18) | On the right exhaust pipe below the exhaust manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Heated/Water in Fuel (Diesel) | Inside the fuel tank | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
High Idle Switch (UF3) | Center of the I/P, below the gage center, in the I/P switchbank |
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Horn | Behind the front bumper on the front right side of the crossmember | Horn Component Views in Horns | Horn Connector End Views in Horns | ||||||||||||||||||||
Horn Switch | In the steering wheel | Horn Component Views in Horns | -- | ||||||||||||||||||||
HVAC Control Assembly | Center of the I/P, left of the I/P switchbank | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
HVAC Control Assembly - Auxiliary (C36) | In the front center of the headliner | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Hydromax® Fuse (JE3) | In the engine compartment left side under the brake master cylinder taped to the harness | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Hydromax® Relay | Left rear of the engine compartment behind the power steering fluid reservoir | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Identification (ID) Lamp - Center | On top of the roof, on the forward center of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Identification (ID) Lamp - Left | On top of the roof, on the forward left side of the cab, the inboard lamp | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Identification (ID) Lamp - Right | On top of the roof, on the forward right side of the cab, the inboard lamp | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Ignition Coil 1 (L18) | On the left side top of the engine rocker cover at the front at cylinder 1 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 2 (L18) | On the right side top of the engine rocker cover front at cylinder 2 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 3 (L18) | On the left side top of the engine rocker cover at the center at cylinder 3 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 4 (L18) | On the right side top of the engine rocker cover center at cylinder 4 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 5 (L18) | On the left side top of the engine rocker cover at the center at cylinder 5 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 6 (L18) | On the right side top of the engine rocker cover center at cylinder 6 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 7 (L18) | On the left side top of the engine rocker cover at the rear at cylinder 7 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Coil 8 (L18) | On the right side top of the engine rocker cover at the rear at cylinder 8 | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Ignition Key Warning Alarm Switch | Upper steering column on the right side in the ignition key cylinder housing | -- | |||||||||||||||||||||
Ignition Switch | In the upper steering column/lower center under cover | -- | |||||||||||||||||||||
Inflatable Restraint Front End Discriminating Sensor (AJ3/AK5) | Behind the front bumper, on the front center of the first crossmember | SIR Component Views in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
Inflatable Restraint I/P Module (AK5) | Front right side of the I/P | SIR Component Views in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
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 in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
Inflatable Restraint Resistor Module (AJ3) | Behind the left kick panel | SIR Component Views in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
Inflatable Restraint Sensing and Diagnostic Module (SDM) (AJ3/AK5) | Under the driver seat | SIR Component Views in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
Inflatable Restraint SIR Coil (AJ3/AK5) | Center of the upper steering column, behind the steering wheel | SIR Component Views in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
Inflatable Restraint Steering Wheel Module (AJ3/AK5) | Center of the upper steering column, on the front of the steering wheel | SIR Component Views in SIR | SIR Connector End Views in SIR | ||||||||||||||||||||
Instrument Panel Cluster (IPC) | In the left side of the I/P | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Intake Air (IA) Heater (LG5) | On the intake manifold | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Intake Air (IA) Heater Relay (LG5) | On the top right side of the cylinder head | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Intake Air Temperature (IAT) Sensor (LG5) | On the top right side of the cylinder head | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
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 in Drive Axle - Locking/Limited Slip | Rear Axle Connector End Views in Drive Axle - Locking/Limited Slip | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Junction Block - Isolator (VNF) | In the engine compartment, at the top of the right side | -- | -- | ||||||||||||||||||||
Junction Block - Underhood | In the engine compartment, at the top of the right side | -- | -- | ||||||||||||||||||||
Junction Block - Upfitter | In the engine compartment, at the top of the right side | -- | -- | ||||||||||||||||||||
Knock Sensor (KS) Bank 1 (L18) | In the engine block at the left side below the exhaust manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Knock Sensor (KS) Bank 2 (L18) | In the engine block at the right side below the exhaust manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
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 | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
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 | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Low Air Pressure Switch (JE3/K16) | Inboard of the left frame rail, on the front end of the air supply reservoir | Auxiliary Air Compressor Component Views in Air Compressor - Auxiliary | Auxiliary Air Compressor Connector End Views in Air Compressor - Auxiliary | ||||||||||||||||||||
Manifold Absolute Pressure (MAP) Sensor (L18) | In the front center of the intake manifold behind the water outlet | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
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 in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Manifold Absolute Pressure (MAP) Sensor (LG5) | On the left side of the engine | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
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 in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Marker Lamps Switch (RQ2 and U86 or RQ3) | Center of the I/P, below the gage center, in the I/P switchbank | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LB7/LLY/LG4/L18) | In the engine compartment on the right side of the air cleaner |
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Oil Level Sensor (Allison® MD) | Internal to the automatic transmission | -- | -- | ||||||||||||||||||||
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 in Doors | |||||||||||||||||||||
Outside Rearview Mirror - Driver (DB6/DB7/DB8) | Forward of the left door on the body | Power Door Systems Component Views in Doors |
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Outside Rearview Mirror - Passenger (DB6/DB7/DB8) | Forward of the right door on the body | Power Door Systems Component Views in Doors |
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Outside Rearview Mirror Switch (DB6) | On the driver door | Power Door Systems Component Views in Doors | |||||||||||||||||||||
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 Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Park Brake Switch (JE3) (C4/C5) | On the left kick panel to the right rear of the park brake lever | Air Antilock Brake System Component Views in Air Antilock Brake System or Hydraulic Brake Component Views in Hydraulic Brakes | Air Antilock Brake System Connector End Views in Air Antilock Brake System or Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Park Brake Switch (JE3) (C6/C7/C8) | On the park brake lever under the center console | Air Antilock Brake System Component Views in Air Antilock Brake System or Hydraulic Brake Component Views in Hydraulic Brakes | Air Antilock Brake System Connector End Views in Air Antilock Brake System or Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Park Brake Switch (JE4) | On the left side of the exterior bulkhead, on the air brake application valve | Air Brake System Component Views in Air Brakes | Air Brake System Connector End Views in Air Brakes | ||||||||||||||||||||
Park/Neutral Position (PNP) Switch (Allison® LCT) | Mounted on the left side of the transmission | Automatic Transmission Electronic Component Views Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Park/Turn Signal Lamp - LF | On the left front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Park/Turn Signal Lamp - RF | On the right front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
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 in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
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 in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes | ||||||||||||||||||||
Power Take-Off (PTO) Switch | Center of the I/P, below the gage center, in the I/P switchbank | ||||||||||||||||||||||
Powertrain Control Module (PCM) (L18) | In the engine compartment on the left side of the bulkhead | Engine Controls Component Views in Engine Controls - 8.1L | Powertrain Control Module Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Pressure Control Valve 1 (LG4 w/o CTF) | Top rear of the engine | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Pressure Control Valve 2 (LG4 w/o CTF) | Top rear of the engine | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Radio (w/o UL5) | Center of the I/P, left of the gage center and I/P switchbank | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
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 in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls | ||||||||||||||||||||
Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission) | Mounted on the manual transmission shift lever | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Rear Axle Shift Motor - Two Speed (HPZ) | On the front of the rear axle, on the differential | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls | ||||||||||||||||||||
Rear Axle Shift Relay - Two Speed (HPZ) | On the front side of the crossmember forward of the rear axle | Rear Axle Component Views in Rear Axle Controls | Rear Axle Connector End Views in Rear Axle Controls | ||||||||||||||||||||
Rear Axle Shift Switch - Two Speed (HR1/HR2) | On the frame rail forward of the rear axle | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Stationary Windows Connector End Views in Stationary Windows | ||||||||||||||||||||
Rear Window Defogger Grid (C49) | On the rear window | Stationary Windows Component Views in Stationary Windows | Stationary Windows Connector End Views in Stationary Windows | ||||||||||||||||||||
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 in HVAC Systems - Manual | -- | ||||||||||||||||||||
Remote Control Door Lock Receiver (RCDLR) (AU0) | Under the left side of the I/P above the accelerator pedal | Keyless Entry Component Views in Keyless Entry | Keyless Entry Connector End Views in Keyless Entry | ||||||||||||||||||||
Serial Data Gateway (SDG) Module (Allison® MD) | Above the accelerator pedal on top of the I/P support bracket | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications | ||||||||||||||||||||
Speaker - LF (w/o UL5) | In the left front door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
Speaker - LF Tweeter (ZQ2) | In the left front door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
Speaker - LR | In the left rear door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
Speaker - RF (w/o UL5) | In the right front door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
Speaker - RF Tweeter (ZQ2) | In the right front door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
Speaker - RR | In the right rear door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment | ||||||||||||||||||||
Starter | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | -- | ||||||||||||||||||||
Starter Solenoid | On the lower right side of the engine, part of the starter | Engine Electrical Component Views in Engine Electrical | -- | ||||||||||||||||||||
Starter Temperature Switch (KQR) | On the lower right side of the engine, part of the starter | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Suction Control Valve (SCV) (LG4/CTF) | On the lower left side of the engine, at the rear, on the fuel injection pump | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Suction Control Valve (SCV) (LG5) | On the lower left side of the engine, at the rear | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar) | ||||||||||||||||||||
Tail Lamp Assembly - Left | On the left rear of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Tail Lamp Assembly - Right | On the right rear of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Tail/Stop and Turn Signal Lamp - Left | At the rear of the left frame rail, part of the tail lamp assembly - left | -- | -- | ||||||||||||||||||||
Tail/Stop and Turn Signal Lamp - Right | At the rear of the right frame rail, part of the tail lamp assembly - right | -- | -- | ||||||||||||||||||||
Throttle Actuator Control (TAC) Module (L18) | Top center front of the engine | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Throttle Body (L18) | Top center front of the engine | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L | ||||||||||||||||||||
Traction Control Switch (NW9) | Center of the I/P, below the gage center, in the I/P switchbank | Antilock Brake System Component Views in Antilock Brake System or Air Antilock Brake System Component Views in Air Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System or Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Traction Control Valve (JE4 and NW9) | On the right side of the crossmember forward of the rear axle | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Tractor/Trailer Connector (RQ2 and U86 or RQ3) | On the left side of the rear crossmember | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Tractor/Trailer Plug (VPG) | On the left side of the rear crossmember | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Tractor Receptacle (JE4/RQ3) | On the left side of the rear crossmember | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Trailer Connector (RQ2 and U86 or RQ3) | On the left side of the rear crossmember | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
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 in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Transmission Control Module (TCM) (Allison® LCT or MD) | Right rear of the engine compartment below the powertrain control module (PCM) | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Transmission Shift Selector (MWE) | On the left side of the automatic transmission | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
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 in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Turbocharge Boost Pressure Sensor (LG4/LG5) | Top rear of the engine | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
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 in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Turbocharger Vane Position (TVP) Control Solenoid Valve (LG4/CTF) | At the right side of the engine, on the turbocharger behind the intake impeller housing | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Turbocharge Vane Position (TVP) Sensor (LLY) | At the right side of the engine, on the top center of the turbocharger | Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Turbocharger Vane Position (TVP) Sensor (LG4/CTF) | At the right side of the engine, on the top center of the turbocharger | Engine Controls Component Views in Engine Controls - 7.8L | Engine Controls Connector End Views in Engine Controls - 7.8L | ||||||||||||||||||||
Turn Signal/Hazard Flasher Module | Left lower side of the I/P to the right of the steering column | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Turn Signal/Multifunction Switch | Center of the upper steering column, behind the steering wheel | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems | ||||||||||||||||||||
Vacuum Pump (w/o L18) | In the engine compartment at the front right of the radiator support by the radiator outlet | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual | ||||||||||||||||||||
Vehicle Speed Sensor (VSS) (Automatic Transmission) | On the automatic transmission on the top left rear | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
Vehicle Speed Sensor (VSS) (Manual Transmission) | On the transmission on the top left rear |
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Water-In-Fuel Sensor (Diesel) | Bottom of the fuel filter on the right side of the engine |
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Water-In-Fuel Sensor (LG4/LG5/KUK/NWB) | On the outboard left frame rail, part of the fuel/water separator - primary | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console | ||||||||||||||||||||
Water-In-Fuel Sensor (LG5/KUN) | On the left side of the engine, part of the heated fuel/water separator - secondary | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | -- | ||||||||||||||||||||
Water-In-Fuel Sensor (LLY/NWB) | On the right side of the engine, on the bottom of the fuel/water separator - secondary | Engine Controls Component Views in Engine Controls - 6.6L (LLY) | Engine Controls Connector End Views in Engine Controls - 6.6L (LLY) | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - LF (JE3) | Mounted in the left front wheel steering knuckle | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - LF (JE4) | Mounted in the left front wheel steering knuckle | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - LR (JE3) | On the left rear wheel | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - LR (JE4) | Mounted in the left rear brake backing plate | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - LR Middle (Tandem Axle/JE4) | Mounted in the left middle backing plate | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - RF (JE3) | Mounted in the right front wheel steering knuckle | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - RF (JE4) | Mounted in the right front wheel steering knuckle | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - RR (JE3) | Mounted in the right rear brake backing plate | Antilock Brake System Component Views in Antilock Brake System | Antilock Brake System Connector End Views in Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - RR (JE4) | Mounted in the right rear brake backing plate | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Wheel Speed Sensor (WSS) - RR Middle (Tandem Axle/JE4) | Mounted in the right middle backing plate | Air Antilock Brake System Component Views in Air Antilock Brake System | Air Antilock Brake System Connector End Views in Air Antilock Brake System | ||||||||||||||||||||
Window Motor - Driver (A31) | In the driver door | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Motor - LR (A31/Crew Cab) | In the left rear door | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Motor - Passenger (A31) | In the passenger door | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Motor - RR (A31/Crew Cab) | In the right rear door | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Switch - Driver (A31) | On the driver door trim panel armrest | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Switch - LR (A31/Crew Cab) | On the left rear door trim panel | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Switch - Passenger (A31) | On the passenger door trim panel | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Window Switch - RR (A31/Crew Cab) | On the right rear door trim panel | Power Door Systems Component Views in Doors | |||||||||||||||||||||
Windshield Washer Fluid Level Switch | In the left rear engine compartment mounted on the washer fluid container | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems | ||||||||||||||||||||
Windshield Washer Fluid Pump | In the left rear engine compartment mounted on the washer fluid container | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems | ||||||||||||||||||||
Windshield Washer Switch | Left side of the upper steering column, a paddle on the multifunction lever, part of the turn signal/multifunction switch | -- | -- | ||||||||||||||||||||
Windshield Wiper Motor | In the engine compartment behind the cowl | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems | ||||||||||||||||||||
Windshield Wiper Switch | On the left side of the steering column | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems | ||||||||||||||||||||
C100 (30 cavities) | Chassis harness to the engine chassis harness, near the right front frame rail, behind the shock absorber | ||||||||||||||||||||||
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) | ||||||||||||||||||||||
C102 (8 cavities) | Top of the engine to the right of the A/C accumulator | ||||||||||||||||||||||
C103 (3 cavities - Upfitter AUX WRG Connector) | Chassis harness to upfitter harness, mounted to the top of the left front shock tower | ||||||||||||||||||||||
C104 (6 cavities - LG4/LG5/LLY) | Engine chassis harness to the exhaust brake harness, forward of the right front shock absorber | ||||||||||||||||||||||
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 | ||||||||||||||||||||||
C106 (12 cavities - LB7) | On the right front frame rail behind the radiator shroud | ||||||||||||||||||||||
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 | ||||||||||||||||||||||
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 | ||||||||||||||||||||||
C109 (40 cavities - LG4) | Back right of the engine under the ECM | ||||||||||||||||||||||
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) | ||||||||||||||||||||||
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 | ||||||||||||||||||||||
C111 (3 cavities - LG5) | Engine harness to the engine chassis harness, lower left of the engine | ||||||||||||||||||||||
C111 (7 cavities - L18) | Engine chassis harness to the ignition coil harness - bank 2, top right of the engine on the rocker cover | ||||||||||||||||||||||
C112 (10 cavities - L18) | Engine chassis harness to the fuel injector harness, top left of engine above C110 | ||||||||||||||||||||||
C114 (2 cavities - VNF) | Engine chassis harness to the battery isolator harness, on the right side of the vehicle near the passenger door step | ||||||||||||||||||||||
C115 (1 cavity - LG5 w/o KQR) | Engine chassis harness to the engine chassis harness, in the engine compartment near the starter | ||||||||||||||||||||||
C115 (1 cavity - LG5/KQR) | Engine chassis harness to the starter harness, in the engine compartment near the starter | ||||||||||||||||||||||
C116 (1 cavity - LG5/KQR) | Starter harness to the engine chassis harness, in the engine compartment near the starter | ||||||||||||||||||||||
C118 (40 cavities - LB7/LLY) | Engine harness to the engine chassis harness, on the top left center of the engine | ||||||||||||||||||||||
C119 (24 cavities - LB7/LLY) | Engine harness to the engine chassis harness, on the top left center of the engine | ||||||||||||||||||||||
C121 (10 cavities - Upfitter PTO Connector) | Chassis harness to the upfitter supplied harness, taped to the engine harness to the right of the engine control module (ECM) directly behind the remote battery stud | ||||||||||||||||||||||
C122 (10 cavities) | Taped to the engine harness directly below the ECM | ||||||||||||||||||||||
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 | ||||||||||||||||||||||
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 | ||||||||||||||||||||||
C124 (24 cavities) | I/P harness to the engine chassis harness, at the right side of the engine compartment under the engine control module (ECM)/powertrain control module (PCM)/transmission control module (TCM) | ||||||||||||||||||||||
C130 (6 cavities) | On the top center of the engine | ||||||||||||||||||||||
C131 (5 cavities) | In the right front of the engine compartment on the hood at the right hinge | ||||||||||||||||||||||
C133 (3 cavities - LLY) | Fuel pressure regulator harness to the engine harness | ||||||||||||||||||||||
C134 (4 cavities - LLY) | Fuel rail pressure (FRP) sensor harness to the engine harness | ||||||||||||||||||||||
C140 (4 cavities - LB7) | Engine harness to injector 1 and 3 jumper harness, above the right valve cover | -- | |||||||||||||||||||||
C141 (4 cavities - LB7) | Engine harness to injector 2 and 4 jumper harness, above the left valve cover | -- | |||||||||||||||||||||
C142 (4 cavities - LB7) | Engine harness to injector 6 and 8 jumper harness, above the left valve cover | -- | |||||||||||||||||||||
C143 (4 cavities - LB7) | Engine harness to injector 5 and 7 jumper harness, above the right valve cover | -- | |||||||||||||||||||||
C150 (4 cavities) | Windshield washer harness to the I/P harness, in the engine compartment, behind the windshield washer reservoir | ||||||||||||||||||||||
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 in Automatic Transmission - Allison | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison | ||||||||||||||||||||
C200 (24 cavities) | Back right of the engine compartment under the ECM/PCM | ||||||||||||||||||||||
C201 (48 cavities) | Steering column harness to the I/P harness, underneath the lower steering column | ||||||||||||||||||||||
C202 (30 cavities) | I/P switchbank harness to the I/P harness, center of the I/P behind the I/P switchbank | ||||||||||||||||||||||
C203 (16 cavities) | I/P harness to the body/roof harness, behind the left kick panel | ||||||||||||||||||||||
C204 (10 cavities - Crew Cab) | Rear body harness to the body/roof harness, behind the left kick panel | ||||||||||||||||||||||
C205 (1 cavity - Crew Cab) | I/P harness to the body/roof harness, behind the left kick panel | ||||||||||||||||||||||
C206 (4 cavities - Crew Cab) | I/P harness to the body/roof harness, behind the left kick panel | ||||||||||||||||||||||
C207 (30 cavities) | I/P harness to the cross body harness, behind the right kick panel | ||||||||||||||||||||||
C208 (6 cavities) | Cross body harness to the stop lamp switch harness, behind the left side of the I/P above the brake pedal | ||||||||||||||||||||||
C209 (3 cavities) | Body/roof harness to the I/P harness, behind the left kick panel | ||||||||||||||||||||||
C210 (2 cavities) | I/P harness to the park brake harness, behind the left kick panel | ||||||||||||||||||||||
C213 (40 cavities) | Engine harness to engine chassis harness, on the right frame rail near the front shock absorber | ||||||||||||||||||||||
C214 (40 cavities) | Chassis harness to the I/P harness, at the right front frame rail behind the shock absorber | ||||||||||||||||||||||
C218 (6 cavities) | Air temperature actuator jumper harness to the I/P harness, behind the right side of the I/P | ||||||||||||||||||||||
C275 (2 cavities) | Steering column harness to the I/P harness, center of the upper steering column, on the front of the steering wheel | ||||||||||||||||||||||
C284 | Next to the right frame rail | ||||||||||||||||||||||
C300 (6 cavities - Manual Transmission) | Transmission harness to the engine chassis harness, right lower side of the engine near transmission bell housing | ||||||||||||||||||||||
C303 (8 cavities) | Tail lamp harness to the chassis harness, rear frame crossmember behind the rear tires | ||||||||||||||||||||||
C304 (8 cavities - RQ2 and U86 or RQ3) | I/P harness to the front trailer harness, behind the left kick panel next to C203 | ||||||||||||||||||||||
C305 (12 cavities - Upfitter Lighting Connector) | Chassis harness to the upfitter supplied harness, taped to the chassis harness at the inboard right frame rail forward of splice pack SP400 (ground block) | ||||||||||||||||||||||
C306 (4 cavities - w/o Crew Cab) | Body/roof harness to the rear speaker harness | ||||||||||||||||||||||
C315 (2 cavities) | Console harness to the body/roof harness, behind the driver seat | ||||||||||||||||||||||
C405 (2 cavities) | Under the master cylinder area left rear of the engine compartment | ||||||||||||||||||||||
C406 (4 cavities - HPZ, HR1 or HR2) | Chassis harness to the rear axle harness, forward of the rear axle, on the inboard left frame rail | ||||||||||||||||||||||
C408 (3 cavities) | Mounted to the left front shock tower | ||||||||||||||||||||||
C409 (8 cavities - L18) | Fuel tank harness to the rear chassis harness, behind the third cross member from the rear of the vehicle | ||||||||||||||||||||||
C410 (3 cavities - K16) | Chassis harness to the air compressor harness, rear of the air compressor under the left front door step | ||||||||||||||||||||||
C420 | Fuel sender harness to the chassis harness, on the crossmember across from the primary fuel tank at the right frame rail | ||||||||||||||||||||||
C500 (22 cavities) | Behind the left kick panel | ||||||||||||||||||||||
C501 (8 cavities) | Outside rearview mirror harness - driver to outside rearview mirror jumper harness - driver, behind the left door panel | ||||||||||||||||||||||
C502 (4 cavities) | Behind the left kick panel | ||||||||||||||||||||||
C600 (22 cavities) | Behind the right kick panel | ||||||||||||||||||||||
C601 (8 cavities) | Outside rearview mirror harness - passenger to outside rearview mirror jumper harness - passenger, behind the right door panel | ||||||||||||||||||||||
C700 (12 cavities - Crew Cab) | In the lower left B-pillar | ||||||||||||||||||||||
C800 (12 cavities - Crew Cab) | In the lower right B-pillar | ||||||||||||||||||||||
G100 (L18/LG4) | Mounted on the right front frame rail near the right front shock tower | -- | |||||||||||||||||||||
G100 (LG5) | Left side of the engine block in front of the starter | -- | |||||||||||||||||||||
G100 (LB7/LLY) | Right side of the engine below the fuel rail | -- | |||||||||||||||||||||
G101 | Mounted to the bulkhead near the master cylinder | -- | |||||||||||||||||||||
G102 | In the engine compartment, in the lower right corner in front of the cowl | -- | |||||||||||||||||||||
G103 | Behind the right side kick panel | -- | |||||||||||||||||||||
G105 | Behind the left kick panel | -- | |||||||||||||||||||||
G106 | On the crossmember underneath the cab | -- | |||||||||||||||||||||
G112 | On the left frame rail below the cab | -- | |||||||||||||||||||||
G115 | On the back of the left cylinder head | -- | |||||||||||||||||||||
G118 | Right front of the engine block behind G119 | -- | |||||||||||||||||||||
G119 | Right front of the engine block ahead of G118 | -- | |||||||||||||||||||||
G120 | Left front of the engine block above the oil level sensor | -- | |||||||||||||||||||||
G200 | On the right frame rail near the front right side of the engine | -- | |||||||||||||||||||||
G202 | On the right frame rail near the middle right side of the engine | -- | |||||||||||||||||||||
G203 | On the right frame rail underneath the cab | -- | |||||||||||||||||||||
G204 | Under the driver door step on the frame | -- | |||||||||||||||||||||
G205 | On the right side of the frame below the ECM/PCM | -- | |||||||||||||||||||||
G400 (LB7/LLY) | Left rear frame rail before the right rear tire | -- | |||||||||||||||||||||
G400 (LG4/LG5) | Under the left front door foot step | -- | |||||||||||||||||||||
G400 (L18) | Left rear of the vehicle behind left rear tires | -- | |||||||||||||||||||||
S100 | (CKT 1020) In the engine harness, approximately 8 cm (3.1 in) from TCM C2 breakout, toward the fuse block - underhood | -- | |||||||||||||||||||||
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) | -- | |||||||||||||||||||||
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) | -- | |||||||||||||||||||||
S103 (w/o L18) | (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) | -- | |||||||||||||||||||||
S104 | In the engine harness, approximately 7 cm (3 in) into the branch to the generator connector C2 | -- | |||||||||||||||||||||
S105 | (CKT 1042) In the engine harness, approximately 5.5 cm (2.2 in) from the breakout for the fuse block - underhood | -- | |||||||||||||||||||||
S106 | (CKT 539) In the engine harness, approximately 20.5 cm (8 in) from the breakout for C118, 119 toward the fuse block - underhood | -- | |||||||||||||||||||||
S107 (L18) | (CKT 339) In the engine harness, approximately 4 cm (2 in) from the breakout for C123, toward the breakout for the MAP sensor and EGR valve | -- | |||||||||||||||||||||
S109 | In the engine harness, approximately 7 cm (2.8 in) from the fuel injector control module connector breakout (LB7) | ||||||||||||||||||||||
S114 | (CKT 250) In the engine harness, approximately 7 cm (2.8 in) from the breakout for C121 toward the fuse block - underhood | -- | |||||||||||||||||||||
S115 | In the engine harness, at the starter solenoid B+ terminal | -- | |||||||||||||||||||||
S116 | In the engine side of the I/P harness, approximately 10 cm (4 in) from the windshield wiper motor breakout | -- | |||||||||||||||||||||
S117 | In the forward lamp harness, approximately 5 cm (2 in) forward of the TCM breakout | -- | |||||||||||||||||||||
S118 | (CKT 351) In the engine harness, approximately 2.5 cm (1 in) from the transmission optional connector toward the fuse block - underhood | -- | |||||||||||||||||||||
S120 | (CKT 488) In the engine harness, approximately 7 cm (2.75 in) from the breakout for C121 toward the fuse block - underhood | -- | |||||||||||||||||||||
S121 (w/o L18) | (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) | -- | |||||||||||||||||||||
S122 | In the engine harness, approximately 15 cm (6 in) from C109 | -- | |||||||||||||||||||||
S123 | In the engine harness, approximately 12 cm (5 in) from the powertrain control module (PCM) | -- | |||||||||||||||||||||
S124 | In the engine harness, approximately 27 cm (11 in) from C110 | -- | |||||||||||||||||||||
S125 (L18) | In the engine harness, approximately 33 cm (13 in) from the powertrain control module (PCM) | -- | |||||||||||||||||||||
S126 | In the engine harness, approximately 6 cm (2 in) from the power brake booster pump motor breakout toward the ABS relay center | -- | |||||||||||||||||||||
S127 | In the engine harness branch for TCM connector C1, 7 cm (3 in) from the breakout for the TCM connector C1 | -- | |||||||||||||||||||||
S128 | In the engine harness branch to the electronic brake control module (EBCM), 10 cm (4 in) from the breakout for G412 | -- | |||||||||||||||||||||
S130 | In the engine harness, at the starter solenoid B+ terminal, fusible link M | -- | |||||||||||||||||||||
S131 | In the engine harness, approximately 10 cm (4 in) from the windshield wiper motor breakout toward the ABS relay center | -- | |||||||||||||||||||||
S132 | In the engine harness, approximately 5 cm (2 in) forward of the TCM breakout | -- | |||||||||||||||||||||
S133 (L18) | In the engine harness, approximately 4 cm (2 in) from the exhaust gas recirculation (EGR) valve | -- | |||||||||||||||||||||
S134 (L18) | In the engine harness, approximately 8 cm (3 in) from the EGR valve breakout in the branch | -- | |||||||||||||||||||||
S135 | In the engine harness, approximately 15 cm (6 in) from C109 | -- | |||||||||||||||||||||
S136 | In the engine harness, approximately 12 cm (5 in) from the breakout for C121, toward the PCM | -- | |||||||||||||||||||||
S137 (L18) | In the engine harness, approximately 8 cm (3 in) from the EGR valve breakout in the branch | -- | |||||||||||||||||||||
S138 (L18) | In the engine harness, approximately 12 cm (5 in) from the EGR valve | -- | |||||||||||||||||||||
S139 | In the engine harness, approximately 15 cm (6 in) from C109 | -- | |||||||||||||||||||||
S140 | In the engine harness, approximately 12 cm (5 in) from the breakout for C121 | -- | |||||||||||||||||||||
S141 | In the engine harness, approximately 15 cm (6 in) from C109 | -- | |||||||||||||||||||||
S142 | In the engine harness, approximately 12 cm (5 in) from the breakout for C121, toward the PCM | -- | |||||||||||||||||||||
S143 | In the forward lamp harness, approximately 45 cm (18 in) from C412 | -- | |||||||||||||||||||||
S145 | In the engine harness, approximately 27 cm (11 in) from C110 | -- | |||||||||||||||||||||
S146 (w/o L18) | (CKT 762) In the engine harness, approximately 4.5 cm (1.7 in) from the breakout for C101, C200 toward the engine control module (ECM) | -- | |||||||||||||||||||||
S147 | In the A/C harness, approximately 33 cm (13 in) from the breakout for C121 | -- | |||||||||||||||||||||
S148 | In the A/C harness, approximately 6 cm (2 in) from the power brake booster pump motor breakout toward the ABS relay center | -- | |||||||||||||||||||||
S150 | In the engine harness, approximately 2 cm (1 in) from connector C105 to the park brake harness | -- | |||||||||||||||||||||
S151 | (CKT 2361) In the engine harness, approximately 10 cm (3.9 in) from the breakout for C102 toward the fuse block - underhood | -- | |||||||||||||||||||||
S152 | (CKT 2362) In the engine harness, approximately 11 cm (4.3 in) from the breakout for C102 toward the fuse block - underhood | -- | |||||||||||||||||||||
S153 (L18) | (CKT 2362) In the engine harness, approximately 20 cm (8 in) from the ignition coil - 8 connector | -- | |||||||||||||||||||||
S154 | (CKT 2361) In the engine harness, approximately 10 cm (4 in) from the breakout for C123 | -- | |||||||||||||||||||||
S155 (w/o L18) | (CKT 2362) In the I/P harness, approximately 12 cm (4.75 in) from the breakout for the engine control module (ECM) toward the fuse block - I/P | -- | |||||||||||||||||||||
S156 | In the engine harness, approximately 10 cm (4 in) from the PCM breakout, toward the engine oil pressure switch breakout | -- | |||||||||||||||||||||
S157 | In the I/P harness, approximately 20 cm (8 in) (L18), or 38 cm (15 in) (LG5) from the A/C compressor clutch relay connector | -- | |||||||||||||||||||||
S158 | In the I/P harness, approximately 18 cm (7 in) from the branch for the TCM | -- | |||||||||||||||||||||
S160 | In the I/P harness, approximately 4 cm (2 in) from the breakout for C121, toward the PCM connectors | -- | |||||||||||||||||||||
S160 | In the I/P harness, approximately 8 cm (3 in) away from the exterior upfitter AUX WRG connector breakout | -- | |||||||||||||||||||||
S161 | In the I/P harness, approximately 36 cm (14 in) from C109 | -- | |||||||||||||||||||||
S162 | In the I/P harness, at the generator C1 terminal | -- | |||||||||||||||||||||
S163 | (CKT 24) In the engine harness, approximately 38.5 cm (15.2 in) from the breakout for C121 toward the fuse block - underhood | ||||||||||||||||||||||
S164 (LLY) | (CKT 2834) In the LLY engine harness, approximately 260 cm (10.2 in) from the breakout for the ECM | ||||||||||||||||||||||
S165 (LLY) | (CKT 2530) In the LLY engine harness, approximately 305 cm (12 in) from the breakout for the ECM | ||||||||||||||||||||||
S166 (LLY) | (CKT 508) In the engine harness, approximately 215 cm (8.5 in) from C118 | ||||||||||||||||||||||
S200 | (CKT 141) In the I/P harness, approximately 16.5 cm (6.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
S201 | In the I/P harness, approximately 8 cm (3 in) from the turn signal/hazard flasher module breakout | -- | |||||||||||||||||||||
S202 | (CKT 1142) In the I/P harness, approximately 21.5 cm (8.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S205 | (CKT 1140) In the I/P harness, approximately 7.5 cm (3 in) from the breakout for the I/P gage center toward the fuse block - I/P | ||||||||||||||||||||||
S206 | (CKT 2609) In the I/P harness, approximately 32 cm (12.5 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S207 | (CKT 618) In the I/P harness, approximately 16 cm (6.3 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S209 | In the I/P harness, approximately 4 cm (2 in) from the data link connector breakout toward C200 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S212 | (CKT 441) In the I/P harness, approximately 11.5 cm (4.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S214 | (CKT 806) In the I/P harness, approximately 5 cm (2 in) from the breakout for the air temperature actuator toward the fuse block - I/P | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S217 | (CKT 43) In the I/P harness, approximately 7.5 cm (3 in) from the breakout for instrument panel cluster (IPC) between the breakout and the IPC connector | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S220 | (CKT 439) In the I/P harness, approximately 4 cm (1.6 in) from the breakout for C202 toward the fuse block - I/P | -- | |||||||||||||||||||||
S221 | (CKT 1320) In the I/P harness, approximately 26.5 cm (10.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S223 | (CKT 239) In the I/P harness, approximately 31.5 cm (12.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
S227 | In the body harness, approximately 7 cm (3 in) from the breakout for connector C200 toward the driver door jamb switch breakout | -- | |||||||||||||||||||||
S229 | (CKT 440) In the I/P harness, approximately 40 cm (15.75 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
S230 | (CKT 1696) In the I/P harness, approximately 10 cm (4 in) from the breakout for C201 between the breakout and C201 | ||||||||||||||||||||||
S232 | (CKT 1451) In the I/P harness, approximately 38.5 cm (15.1 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S233 | (CKT 1451) In the I/P harness, approximately 9 cm (3.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
S234 | In the I/P harness 12 cm (5 in) from pass through P100 toward C200 | -- | |||||||||||||||||||||
S235 | In the I/P extension harness 7 cm (3 in) from the turn signal/multifunction switch C1 breakout toward the headlamp dimmer switch breakout | -- | |||||||||||||||||||||
S236 | In the I/P extension harness, approximately 4 cm (2 in) from the turn signal/hazard flasher module breakout toward P100 | -- | |||||||||||||||||||||
S237 | In the I/P extension harness, approximately 6 cm (2 in) from the turn signal/hazard flasher module breakout | -- | |||||||||||||||||||||
S238 | In the I/P harness, approximately 4 cm (2 in) from the park brake control module/C205 breakout | -- | |||||||||||||||||||||
S239 | In the I/P harness, approximately 7 cm (3 in) from the breakout for the stop lamp switch interface module toward the convenience center | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S241 | In the cross body harness, approximately 18 cm (7 in) from the IPC connector breakout toward the convenience center | -- | |||||||||||||||||||||
S242 | In the rear chassis harness, approximately 7 cm (3 in) into the outside heated mirror switch breakout | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S244 | (CKT 450) In the I/P harness, approximately 12 cm (4.7 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S246 | In the I/P extension harness, approximately 14 cm (6 in) from the breakout for the mode actuator toward the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S247 | In the I/P harness, approximately 8 cm (3 in) from the breakout for the IPC, toward the breakout for the convenience center | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S249 | (CKT 1382) In the I/P harness, approximately 6 cm (2.5 in) from the breakout for C201 toward the cowl | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S251 | (CKT 267) In the I/P extension harness, approximately 14 cm (6 in) from the breakout for the mode actuator toward the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S252 | (CKT 15) In the I/P harness, approximately 5 cm (2 in) from the breakout for DLC toward the fuse block - I/P | -- | |||||||||||||||||||||
S253 | (CKT 14) In the I/P harness, approximately 7.5 cm (3 in) from the breakout for the DLC toward the fuse block - I/P | -- | |||||||||||||||||||||
S254 | (CKT 343) In the cross body harness, approximately 17 cm (7 in) from the breakout for G412 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S256 | In the I/P harness, approximately 8 cm (3 in) from the upfitter accessory feed connector breakout, toward the IPC connector breakout | -- | |||||||||||||||||||||
S257 | (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 | -- | |||||||||||||||||||||
S258 | In the I/P extension harness, approximately 4 cm (2 in) from the breakout for the convenience center toward the breakout for C210 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S260 | (CKT 28) In the I/P harness, approximately 52 cm (20 in) from C207 | -- | |||||||||||||||||||||
S261 | (CKT 9) In the I/P harness, approximately 5 cm (2 in) from the breakout for C201 toward the cowl | -- | |||||||||||||||||||||
S262 | (CKT 17) In the I/P harness, approximately 20 cm (7.9 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S263 | In the I/P harness, approximately 6 cm (2 in) into the multifunction alarm module breakout from the main harness | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S267 | 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 | -- | |||||||||||||||||||||
S268 | (CKT 140) In the I/P harness, approximately 28 cm (11 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S269 | (CKT 420) In the I/P harness, approximately 11 cm (4.3 in) from the breakout for C207 between the breakout and C207 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S271 | In the I/P harness, approximately 15 cm (6 in) from the data link connector breakout toward C200 | -- | |||||||||||||||||||||
S273 | (CKT 1922) In the I/P harness, approximately 15 cm (6 in) from the breakout for the air temperature actuator toward the fuse block - I/P | -- | |||||||||||||||||||||
S274 | (CKT 1921) In the I/P harness, approximately 10 cm (4 in) from the breakout for the air temperature actuator toward the fuse block - I/P | -- | |||||||||||||||||||||
S275 | (CKT 2362) In the engine harness, approximately 4 cm (1.6 in) from the C121 breakout toward the ECM | ||||||||||||||||||||||
S276 | (CKT 2361) In the engine harness, approximately 3 cm (1.2 in) from the C121 breakout toward the ECM | ||||||||||||||||||||||
S277 | (CKT 2362) In the I/P harness, approximately 6 cm (2 in) from the turn signal/hazard flasher module | -- | |||||||||||||||||||||
S278 | In the I/P harness, approximately 4 cm (2 in) from the park brake control module/C205 breakout | -- | |||||||||||||||||||||
S279 | (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 | -- | |||||||||||||||||||||
S280 | (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 | -- | |||||||||||||||||||||
S281 (LG4) | (CKT 2362) In the I/P harness, approximately 11 cm (4 in) from the breakout for the stop lamp switch interface module, toward the convenience center | -- | |||||||||||||||||||||
S282 (LG4) | (CKT 2361) In the I/P harness, approximately 11 cm (4 in) from the breakout for the stop lamp switch interface module, toward the convenience center | -- | |||||||||||||||||||||
S283 | In the I/P harness, approximately 5 cm (2 in) from the breakout for C205 to the dome lamp/rear speakers | -- | |||||||||||||||||||||
S284 | (CKT 488) In the I/P harness, approximately 24 cm (9.5 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
S286 | (CKT 84) In the I/P harness, approximately 10 cm (4 in) from the breakout for the air temperature actuator toward the fuse block - I/P | -- | |||||||||||||||||||||
S300 | (CKT 540) In the cross body harness , 5 cm (2 in) to the rear of the ground block breakout | -- | |||||||||||||||||||||
S301 | In the body harness, approximately 10 cm (4 in) to the rear of the ground block breakout | -- | |||||||||||||||||||||
S302 | In the body harness, approximately 8 cm (3 in) from the breakout for C123 toward the MAP sensor and EGR valve (L18), or 19 cm (7 in) for all others | -- | |||||||||||||||||||||
S303 | In the exhaust brake harness, approximately 11 cm (4 in) from the powertrain control module connector | -- | |||||||||||||||||||||
S304 | (CKT 267) In the cross body harness, approximately 5 cm (2 in) to the rear of the ground block breakout | -- | |||||||||||||||||||||
S305 | (CKT 195) In the cross body harness, approximately 10 cm (4 in) to the rear of the ground block breakout | -- | |||||||||||||||||||||
S306 | (CKT 194) In the cross body harness, approximately 10 cm (4 in) to the rear of the ground block breakout | -- | |||||||||||||||||||||
S307 | (CKT 294) In the cross body harness, approximately 10 cm (4 in) from the left fuel pump and sender assembly breakout | -- | |||||||||||||||||||||
S308 (Crew Cab) | (CKT 294) In the body/roof harness, approximately 62 cm (24 in) from the breakout for C203 | -- | |||||||||||||||||||||
S309 | (CKT 295) In the cross body harness | -- | |||||||||||||||||||||
S310 | In the body harness, approximately 11 cm (4 in) from the powertrain control module (PCM) connector | -- | |||||||||||||||||||||
S312 | In the body harness, approximately 11 cm (4 in) from the powertrain control module (PCM) connector | -- | |||||||||||||||||||||
S313 | In the backup lamp harness, approximately 30 cm (12 in) from the breakout for C412 toward the heated moisture ejector valve | -- | |||||||||||||||||||||
S314 | In the backup lamp harness, approximately 11 cm (4 in) from the powertrain control module connector | -- | |||||||||||||||||||||
S315 | In the rear chassis harness, approximately 11 cm (4 in) from the powertrain control module (PCM) connector | -- | |||||||||||||||||||||
S316 | In the rear chassis harness, approximately 5 cm (2 in) from the left fuel pump and sender assembly breakout | -- | |||||||||||||||||||||
S317 | In the cross body harness, approximately 11 cm (4 in) from the transmission control module (TCM) connector | -- | |||||||||||||||||||||
S318 | In the engine harness, approximately 5 cm (2 in) forward of the breakout for the two speed rear axle shift relay | -- | |||||||||||||||||||||
S319 | (CKT 24) In the rear chassis harness, approximately 6.5 cm (2.5 in) from the breakout for the ground block toward the EBCM | -- | |||||||||||||||||||||
S320 | (CKT 11) In the rear chassis harness, approximately 10.5 cm (4 in) from the breakout for C108 toward the EBCM | -- | |||||||||||||||||||||
S321 | (CKT 12) In the rear chassis harness, approximately 6.5 cm (2.5 in) from the breakout for C108 toward the EBCM | ||||||||||||||||||||||
S322 | In the cross body harness, approximately 3 cm (1 in) from the driver window switch | -- | |||||||||||||||||||||
S323 | In the body harness, approximately 3 cm (1 in) from the right door lock actuator | -- | |||||||||||||||||||||
S324 | In the crew cab body harness, approximately 13 cm (5 in) from the breakout for C203 toward the air bag module | -- | |||||||||||||||||||||
S325 | In the body harness, approximately 35 cm (14 in) or 40 cm (16 in) from the A/T shift lever connector | -- | |||||||||||||||||||||
S326 | (CKT 2509) In the body harness, approximately 5 cm (2 in) from the breakout for the window switch - driver toward the switch | -- | |||||||||||||||||||||
S327 | In the rear chassis harness, approximately 22 cm (9 in) from the IPC breakout toward the data link connector breakout | -- | |||||||||||||||||||||
S328 | 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 | -- | |||||||||||||||||||||
S329 | In the cross body harness, approximately 44 cm (17 in) from the radio connector breakout toward the I/P fuse block breakout | -- | |||||||||||||||||||||
S330 | In the body harness, approximately 16 cm (6 in) or 30 cm (12 in) from the A/T shift lever connector | -- | |||||||||||||||||||||
S331 | In the engine harness, approximately 40 cm (16 in) from P100 toward the bank 1 HO2S (L18), or 60 cm (24 in) from the fuel heater breakout toward the engine oil pressure gage sensor breakout | -- | |||||||||||||||||||||
S332 | (CKT 2361) In the I/P harness, approximately 4 cm (1.5 in) from the breakout for the ECM toward the fuse block - I/P | -- | |||||||||||||||||||||
S333 | In the engine harness, approximately 11 cm (4 in) from the transmission control module (TCM) connector | -- | |||||||||||||||||||||
S334 | In the I/P harness, approximately 3 cm (1 in) from the window actuator motor breakout toward P500 | -- | |||||||||||||||||||||
S400 | In the right power window harness, approximately 3 cm (1 in) from the driver window switch | -- | |||||||||||||||||||||
S401 | In the rear chassis harness, approximately 5 cm (2 in) from the right door lock actuator | -- | |||||||||||||||||||||
S402 | In the rear chassis and tail lamps harness, approximately 5 cm (2 in) before the tail lamps breakout | -- | |||||||||||||||||||||
S403 | (CKT 151) In the rear chassis harness, approximately 4 cm (1.5 in) from the breakout for C117 the ground block | -- | |||||||||||||||||||||
S404 | In the rear chassis harness, approximately 8 cm (3 in) from the breakout for fuel injector 5 | -- | |||||||||||||||||||||
S405 | In the engine harness, approximately 7 cm (3 in) from the breakout for fuel injector 6 | -- | |||||||||||||||||||||
S406 | In the rear chassis harness, approximately 4 cm (2 in) from the underhood fuse block breakout, toward the windshield wiper motor breakout | -- | |||||||||||||||||||||
S407 | In the fuel tank harness, approximately 73 cm (29 in) from P100 toward the breakout for the powertrain control module (PCM) | -- | |||||||||||||||||||||
S408 | In the fuel tank harness, approximately 16 cm (6 in) from the breakout for C123 | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S410 | In the tail lamp harness, approximately 7 cm (3 in) from the coolant level switch breakout, toward the engine coolant temperature switch | -- | |||||||||||||||||||||
S411 | In the tail lamp harness, approximately 71 cm (28 in) from P100 toward the breakout for the powertrain control module (PCM) | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S413 | In the engine harness, approximately 8 cm (3 in) from the breakout for C123 | -- | |||||||||||||||||||||
S414 | In the I/P harness, approximately 23 cm (9 in) from connector C210, toward the breakout for the convenience center | -- | |||||||||||||||||||||
S415 | 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 | -- | |||||||||||||||||||||
S421 (K16) | (CKT 350) In the air compressor harness | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S501 | (CKT 501) In the driver door harness, approximately 9 cm (4 in) from the park brake pressure sensor connector | -- | |||||||||||||||||||||
S502 (AU3/A31) | (CKT 201) In the driver door harness, approximately 3 cm (1 in) from the window actuator motor breakout toward P500 | -- | |||||||||||||||||||||
S503 (AU3/A31) | (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 | -- | |||||||||||||||||||||
S504 | (CKT 1499) In the driver door harness, approximately 4.5 cm (1.75 in) from the breakout for the OSRVM connector toward the OSRVM connector | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S506 | In the driver door harness, approximately 3 cm (1 in) from the driver window switch | -- | |||||||||||||||||||||
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 | -- | |||||||||||||||||||||
S602 (AU3/A31) | (CKT 200) In the front passenger door harness, approximately 30 cm (12 in) from the breakout for the speaker - RF door toward C500 | -- | |||||||||||||||||||||
S603 (AU3/A31) | (CKT 117) In the front passenger door harness, approximately 20 cm (8 in) from the breakout for the speaker - RF door toward C500 | -- | |||||||||||||||||||||
S604 | (CKT 1497) In the front passenger door harness, approximately 4.5 cm (1.75 in) from the breakout for the outside rearview mirror - passenger between the breakout and the connector | -- | |||||||||||||||||||||
S605 | In the right power door lock harness, approximately 11 cm (1 in) from the right door lock actuator | -- | |||||||||||||||||||||
S700 | In the left rear door harness 11 cm (1 in) from the window switch | -- | |||||||||||||||||||||
S900 | (CKT 2509) In the rear chassis harness, approximately 10.5 cm (4 in) from the breakout for the ground block toward the EBCM | -- | |||||||||||||||||||||
S901 | (CKT 2509) In the I/P harness, approximately 4 cm (1.6 in) from the breakout for the air temperature actuator | -- | |||||||||||||||||||||
SP203 (12 cavities) | Behind the left side of the IPC below the headlamp switch | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications or | ||||||||||||||||||||
SP400 (Ground Block) (6 cavities) | On the inboard side of the right frame rail behind the cab, part of the negative battery cable |
