Name | Location | Locator View | Connector End View | ||||||||||||
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1-2 Shift Solenoid (1-2 SS) Valve | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission or Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission | Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission or Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
2-3 Shift Solenoid (2-3 SS) Valve | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission or Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission | Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission or Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
3-2 Shift Solenoid (3-2 SS) Valve | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission | Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission | ||||||||||||
A/C Compressor Clutch (4.8L, 5.3L, 6.0L, and 8.1L) | Lower right front of engine on the A/C compressor | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
A/C Compressor Clutch (Diesel) | Upper left front of the engine | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
A/C Low Pressure Switch | On the right side of the A/C accumulator | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
A/C Refrigerant Pressure Sensor (Diesel and 4.3L) | Attached to the A/C high pressure line in back of the A/C compressor | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
A/C Refrigerant Pressure Sensor (4.8L, 5.3L, 6.0L, and 8.1L) | In the right front of the engine compartment on the A/C high pressure hose near the compressor | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Accelerator Pedal Position (APP) Sensor (Except 4.3L) | On the driver floor board above the accelerator pedal |
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Air Temperature Actuator - Left | Near the bottom middle of the HVAC box | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Air Temperature Actuator - Right | Near the top middle of the HVAC box | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Air Temperature Sensor - Lower Left (CJ2) | On the left side of the HVAC box | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Air Temperature Sensor - Lower Right (CJ2) | Near the bottom middle of the HVAC box in the floor duct | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Air Temperature Sensor - Upper Left (CJ2) | Beneath the upper I/P trim panel in the air duct left side | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Air Temperature Sensor - Upper Right (CJ2) | Beneath the upper I/P trim panel in the air duct right side | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Air Temperature Sensor Assembly - Inside (CJ2) | In the headliner above the driver seat | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Ambient Air Temperature Sensor (CJ2) | In the right front bumper filler assembly | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Ambient Air Temperature Sensor (DF5) | Attached to the radiator core support behind the grille | ||||||||||||||
Ambient Light Sensor (w/o CJ2) | On the top center of the I/P | ||||||||||||||
Ambient Light/Sunload Sensor Assembly (CJ2) | On the top center of the I/P | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
A/T Shift Lock Control Solenoid | Attached to the steering column under the transmission selector lever | ||||||||||||||
Audio Amplifier (UQ7) | Under the rear of the center console | ||||||||||||||
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission or Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission | Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission or Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
Automatic Transmission Fluid Temperature Sensor | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission or Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission | Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission or Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
Automatic Transmission Input Shaft Speed (ISS) Sensor | In the automatic transmission |
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Automatic Transmission Turbine Speed Sensor (MW7) | Upper left of the transmission to the rear of the bell housing | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Related Connector End Views for the Allison transmission | ||||||||||||
Auxiliary Battery Relay (TP2) | At the right side rear of the engine compartment | ||||||||||||||
Auxiliary Power Outlet - Bin (Y91) | In the center console bin | ||||||||||||||
Auxiliary Power Outlet - Console (UQ7 and Y91) | On the rear of the center console | ||||||||||||||
Auxiliary Power Outlet - Front (Except UQ7 and Y91) | Center of the I/P below the HVAC control module | ||||||||||||||
Auxiliary Power Outlet - Front (UQ7 and Y91) | Top front of the floor console | ||||||||||||||
Auxiliary Power Outlet Switch (HP2) | In the instrument panel to the right of the HVAC control head | ||||||||||||||
Auxiliary Power Outlet 120V AC - Exterior (HP2) | Mounted to the right rear interior wall of the bed | ||||||||||||||
Auxiliary Power Outlet 120V AC - Interior (HP2) | Mounted to the front of the energy storage box under the rear seat | ||||||||||||||
Auxiliary Transmission Fluid Pump (HP2) | Inside the transmission | -- | Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission | ||||||||||||
Auxiliary Water Pump (HP2) | On the right side of the engine compartment between the engine and the right wheel well | ||||||||||||||
Back-Up Alarm (8S3) | At the rear bumper | ||||||||||||||
Backup Lamp - Left | Part of the left rear lamp assembly | ||||||||||||||
Backup Lamp - Right | Part of the right rear lamp assembly | ||||||||||||||
Backup Lamp Switch (M/T) | On the left side of the transmission | ||||||||||||||
Battery Cut Off Switch (HP2) | Attached to the energy storage box on the passenger side | ||||||||||||||
Battery - Left | Left front corner of the engine compartment | ||||||||||||||
Battery - Right (w/Dual Battery Only) | Right rear of the engine compartment | ||||||||||||||
Battery 1 (HP2) | Under the rear seat inside the energy storage box | ||||||||||||||
Battery 2 (HP2) | Under the rear seat inside the energy storage box | ||||||||||||||
Battery 3 (HP2) | Under the rear seat inside the energy storage box | ||||||||||||||
Blower Motor | Under the right side of the I/P mounted to the HVAC box | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Blower Motor Control Processor (CJ2) | Under the right side of the I/P mounted to the HVAC box next to the blower motor | HVAC Component Views for the automatic system | HVAC Connector End Views for the automatic system | ||||||||||||
Blower Motor Resistor Assembly (CJ3) | Under the right side of the I/P mounted to the HVAC box next to the blower motor | HVAC Component Views for the manual system | HVAC Connector End Views for the manual system | ||||||||||||
Body Control Module (BCM) | On the lower left side of the I/P near the steering column | ||||||||||||||
Brake Fluid Level Switch (Except JC4) | On the left side of the master cylinder | ||||||||||||||
Brake Pedal Position Sensor (HP2) | Mounted to the brake pedal bracket assembly at the bulkhead under the left I/P | ||||||||||||||
Brake Pressure Differential Switch (JC4) | In the brake line under the master cylinder in the combination valve | ||||||||||||||
Camshaft Position (CMP) Sensor (4.8L, 5.3L, and 6.0L) | Top rear center of the engine | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Camshaft Position (CMP) Sensor (8.1L) | On front of the engine left side below the water pump | Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Camshaft Position (CMP) Sensor (4.3L) | In the distributor | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Camshaft Position (CMP) Sensor (Diesel) | Mounted to the front engine cover above and to the right of the crankshaft | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Cargo Lamp | Mounted near the roof line at the rear of the cab with CHMSL | ||||||||||||||
Cellular Microphone (UE1) | On the left side of the overhead console | ||||||||||||||
Cellular and Navigation Antenna (UE1) | Mounted to the roof near the driver A-pillar | ||||||||||||||
Center High Mounted Stop Lamp (CHMSL) | Mounted near the roof line at the rear of the cab | ||||||||||||||
Central Sequential Fuel Injection (Central SFI) (4.3L) | Top of the engine between the throttle body and distributor | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Cigar Lighter (Except UQ7 and Y91) | At the bottom center of the I/P | ||||||||||||||
Cigar Lighter (UQ7 and Y91) | Top front of the floor console | ||||||||||||||
Clearance Lamp - LF (R05) | Front of the left rear wheel flare | ||||||||||||||
Clearance Lamp - LR (R05) | Rear of the left rear wheel flare | ||||||||||||||
Clearance Lamp - RF (R05) | Front of the right rear wheel flare | ||||||||||||||
Clearance Lamp - RR (R05) | Rear of the right rear wheel flare | ||||||||||||||
Clearance Lamps (U01) | Center of the roof panel above the windshield | ||||||||||||||
Clutch Pedal Position (CPP) Switch (M/T) | At the top of the clutch pedal assembly |
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Coolant Level Switch (8.1L and Diesel) | Right side of the engine compartment on the coolant reservoir bottle | ||||||||||||||
Cooling Fan - Left (10 Series) | Front of the engine compartment on the engine cooling fan - left | ||||||||||||||
Cooling Fan - Right (10 Series) | Front of the engine compartment on the engine cooling fan - right | ||||||||||||||
Courtesy/Map Reading Lamps - Front (YE9) | Part of the overhead console in the front of the headliner | ||||||||||||||
Courtesy/Reading Lamps - Rear (Crew Cab YE9 or Y91) | On the middle center of the headliner | ||||||||||||||
Crankshaft Position (CKP) Sensor (4.8L, 5.3L, and 6.0L) | At the right rear side of the engine block | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Crankshaft Position (CKP) Sensor (8.1L) | At the left rear side of the engine block behind the left valve cover | Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Crankshaft Position (CKP) Sensor (4.3L) | At the right rear side of the engine block behind the starter | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Crankshaft Position (CKP) Sensor (Diesel) | Mounted to the front engine cover to the right of the crankshaft | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Cruise Control Module (CCM) (4.3L) | mounted to front engine cover to the lower right side of the crankshaft | ||||||||||||||
Cruise Control ON/OFF Switch | On the left side of the steering column, part of the turn signal/multifunction switch | -- | -- | ||||||||||||
CUST FEED Fuse | In the Fuse Block - Underhood | ||||||||||||||
Data Link Connector (DLC) | On the lower left side of the I/P | ||||||||||||||
Daytime Running Lamp (DRL) - Left | Below the left headlamp assembly | ||||||||||||||
Daytime Running Lamp (DRL) - Right | Below the right headlamp assembly | ||||||||||||||
Digital Radio Receiver (U2K) | Behind the I/P compartment on the passenger side | ||||||||||||||
Dome Lamp - Rear (Except Crew Cab w/YE9 or Y91) | On the center rear of the headliner | ||||||||||||||
Door Courtesy Lamp - LF (W/YE9) | On the left front door trim panel | ||||||||||||||
Door Courtesy Lamp - RF (YE9) | On the right front door trim panel | ||||||||||||||
Door Latch Assembly - Driver | In the driver door | ||||||||||||||
Door Latch Assembly - Passenger | In the passenger front door | ||||||||||||||
Door Latch Assembly - LR | In the LR door | ||||||||||||||
Door Latch Assembly - RR | In the RR door | ||||||||||||||
Door Lock Switch - Driver (w/o A31) | On the left front door trim panel | ||||||||||||||
Door Lock Switch - Passenger (w/o A31) | On the right front door trim panel | ||||||||||||||
Driver Door Module (DDM) (YE9) | Behind the driver door trim panel below the switch assembly | ||||||||||||||
Driver Shift Request Switch | Part of the automatic transmission shift lever | -- | -- | ||||||||||||
EHPS Fuse (HP2) | Part of the 42-Volt harness, below the starter generator control module next to C121 | -- | -- | ||||||||||||
Electric Machine (HP2) | Between the engine and the transmission | ||||||||||||||
Electronic Brake Control Module (EBCM) | On the inside of the left frame rail | ||||||||||||||
Electro Hydraulic Power Steering (EHPS) Module (HP2) | Attached to the left front of the engine | ||||||||||||||
Electronic Power Take Off (EPTO) Switch (HP2) | Center of the I/P | ||||||||||||||
Emergency Vehicle Roof Lamp Relay (5Y0) | LR of the engine compartment above the wheelhouse | ||||||||||||||
Energy Storage Box (ESB) (HP2) | Under the rear passenger seat | ||||||||||||||
Energy Storage Box (ESB) Fan (HP2) | In the energy storage box near the center | ||||||||||||||
Energy Storage Control Module (ESCM) (HP2) | In the energy storage box | ||||||||||||||
Engine Control Module (ECM) (Diesel) | At the left front side of the engine compartment | Engine Controls Component Views for the 6.6L engine | Engine Control Module Connector End Views for the 6.6L engine | ||||||||||||
Engine Coolant Temperature (ECT) Sensor (4.8L, 5.3L, and 6.0L) | Left front cylinder head at the number 1 exhaust port | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Engine Coolant Temperature (ECT) Sensor (8.1L) | Near the right cylinder head between the number 6 and 8 exhaust ports | Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Engine Coolant Temperature (ECT) Sensor (4.3L) | Mounted in left cylinder head between the number 3 and 5 exhaust ports | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Engine Coolant Temperature (ECT) Sensor (Diesel) | Top of the engine near the oil fill tube | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Engine Oil Level Switch (4.8L, 5.3L, 6.0L, and 8.1L) | Lower right side of the oil pan |
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Engine Oil Level Switch (Diesel) | Mounted on the left side of the oil pan | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Engine Oil Pressure (EOP) Sensor (Gas) | Rear center of the engine block near the top |
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Engine Oil Pressure (EOP) Sensor (Diesel) | On the left rear side of the engine block | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.8L, 5.3L, and 6.0L) | Behind the throttle body near the front of the engine | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (8.1L) | Left side of the throttle body near the left of the engine | Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.3L) | Attached to the intake manifold on the right side of the engine to the rear of the ignition coil | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Evaporative Emission (EVAP) Canister Vent Solenoid Valve (10 Series Gas) | Mounted to the right rear corner of the fuel tank | Engine Controls Component Views for the 4.3L engine or Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.3L engine or Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Evaporative Emission (EVAP) Canister Vent Solenoid Valve (Except 10 Series Gas and Diesel) | Mounted to the right front corner of the fuel tank | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Exhaust Gas Recirculation (EGR) Valve (Diesel) | Right side of the engine above cylinder #1 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fog Lamp - LF | Left front of the vehicle below the bumper | ||||||||||||||
Fog Lamp - RF | Right front of the vehicle below the bumper | ||||||||||||||
Fog Lamp Switch | Part of the multifunction accessory switch assembly to the right of the headlamp switch | ||||||||||||||
Front Axle Actuator (NP1) | On the right center of the front axle housing | Transfer Case Control Component Views for the NVG 263-NP1 transfer case | Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case | ||||||||||||
Front Axle Actuator (NP2/NP8) | On the right center of the front axle housing | Transfer Case Control Component Views for the NVG 261-NP2 transfer case or Transfer Case Control Component Views for the NVG 246-NP8 transfer case | Transfer Case Control Connector End Views for the NVG 261-NP2 transfer case or Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case | ||||||||||||
Fuel Heater (Diesel) | Near the top of the fuel filter on the right side of the engine | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 1 (Gas) | On the left side of the intake manifold near the front of the engine at cylinder #1 |
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Fuel Injector 1 (Diesel) | Near the right side engine rocker cover above cylinder #1 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 2 (Gas) | On the right side of the intake manifold near the front of the engine at cylinder #2 |
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Fuel Injector 2 (Diesel) | Near the left side engine rocker cover above cylinder #2 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 3 (Gas) | On the left side of the intake manifold near the middle of the engine at cylinder #3 |
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Fuel Injector 3 (Diesel) | Near the right side engine rocker cover above cylinder #3 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 4 (Gas) | On the right side of the intake manifold near the middle of the engine at cylinder #4 |
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Fuel Injector 4 (Diesel) | Near the left side engine rocker cover above cylinder #4 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 5 (Gas) | On the left side of the intake manifold near the middle of the engine |
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Fuel Injector 5 (Diesel) | Near the right side engine rocker cover above cylinder #5 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 6 (Gas) | On the right side of the intake manifold near the middle of the engine at cylinder #6 |
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Fuel Injector 6 (Diesel) | Near the left side engine rocker cover above cylinder #6 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 7 (Gas) | On the left side of the intake manifold near the rear of the engine at cylinder #7 |
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Fuel Injector 7 (Diesel) | Near the right side engine rocker cover above cylinder #7 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Injector 8 (Gas) | On the right side of the intake manifold near the rear of the engine at cylinder #8 |
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Fuel Injector 8 (Diesel) | Near the left side engine rocker cover above cylinder #8 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Level Sensor - Primary (Diesel) | In the primary fuel tank | ||||||||||||||
Fuel Level Sensor - Secondary (Diesel) | In the secondary fuel tank | ||||||||||||||
Fuel Pressure Regulator (Diesel) | Mounted to the injection pump at the front of the engine center | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Rail Pressure (FRP) Sensor (Diesel) | Top of the engine mounted to the right fuel rail | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Pump (Diesel) (Auxiliary Tank) | Left frame rail behind the primary fuel tank | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuel Pump (FP) Relay - Secondary (w/o NQZ) | On the fuse block - underhood bracket | ||||||||||||||
Fuel Pump and Sender Assembly - Primary (Gas) | In the primary fuel tank | ||||||||||||||
Fuel Pump and Sender Assembly - Secondary (w/Dual Tanks) (Gas) | In the secondary fuel tank | ||||||||||||||
Fuel Tank Pressure (FTP) Sensor (Gas) | Part of the fuel pump and sender assembly - primary |
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Fuel Rail Temperature (FRT) Sensor (Diesel) | Left top of the engine in front of the glow plug controller, to the left of the turbo assembly | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Fuse Block - I/P | Left side of the I/P behind the access panel | ||||||||||||||
Fuse Block - Mobile Radio (9L4) | Right side of the I/P behind the I/P compartment | ||||||||||||||
Fuse Block - Underhood | Left side of the engine compartment to the rear of the battery | ||||||||||||||
Fuse Block - Underhood - Cooling Fan (10 Series) | Left side of the engine compartment to the rear of the battery | ||||||||||||||
Fuse Block - Underhood - Secondary (HP2) | Left side of the engine compartment to the rear of the battery | ||||||||||||||
Fusible Link 1 (Diesel) | In the battery cable harness, approximately 18 cm from the junction block battery cable | -- | -- | ||||||||||||
Fusible Link 1 (4.3L) | in the battery cable harness approximately 18 cm from the junction block - battery cable | -- | -- | ||||||||||||
Fusible Link 1 (4.8L, 5.3L and 6.0L) | in the battery cable harness connected to the junction block - battery cable | -- | -- | ||||||||||||
Fusible Link 1 (8.1L) | in the battery cable harness approximately 18 cm from the junction block - battery cable | -- | -- | ||||||||||||
Fusible Link 2 (Diesel w/K65/8X5) | In the battery cable harness, connected to the junction block battery cable | -- | -- | ||||||||||||
Fusible Link 3 (Diesel) | at the glow plug control module (GPCM) connector - C1 between 125A mega fuse and GPCM | -- | -- | ||||||||||||
Fusible Link 4 (9L4) | In the accessory jumper harness, approximately 50 cm from the ring terminal of the mega fuse holder, near the fuse block - underhood | -- | -- | ||||||||||||
Fusible Link 5 (TP2/5X7) | In the auxiliary/wrecker battery cable harness, approximately 18 cm from the relay ring terminal | -- | -- | ||||||||||||
Fusible Link 6 (TP2) | In the auxiliary battery cable harness, approximately 18 cm from auxiliary battery relay | -- | -- | ||||||||||||
Garage Door Opener (UG1) | Mounted in the overhead console | ||||||||||||||
Generator - Gas (4.3L) | Top right front of the engine | ||||||||||||||
Generator - Gas (Except 4.3L and HP2) | Top left front of the engine | ||||||||||||||
Generator - Left (K65 or 8X5) | Top left front of the engine | ||||||||||||||
Generator - Right (Diesel) | Top right front of the engine | ||||||||||||||
Generator Battery Control Module (10 Series Except HP2) | Left front corner of the engine compartment on the battery negative cable | ||||||||||||||
Glow Plug 1 (Diesel) | Right side of the engine above cylinder #1 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 2 (Diesel) | Left side of the engine above cylinder #2 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 3 (Diesel) | Right side of the engine above cylinder #3 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 4 (Diesel) | Left side of the engine above cylinder #4 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 5 (Diesel) | Right side of the engine above cylinder #5 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 6 (Diesel) | Left side of the engine above cylinder #6 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 7 (Diesel) | Right side of the engine above cylinder #7 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug 8 (Diesel) | Left side of the engine above cylinder #8 | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Glow Plug Control Module (GPCM) (Diesel) | Left rear of the engine above the rocker cover to the left of the turbocharger | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
GLOW PLUG Fuse | In the fuse block- underhood | ||||||||||||||
Hazard Switch | Upper top of the steering column, part of the turn signal/multifunction switch | -- | -- | ||||||||||||
Headlamp - High Beam - Left | Left front of the vehicle | ||||||||||||||
Headlamp - High Beam - Right | Right front of the vehicle | ||||||||||||||
Headlamp - Low Beam - Left | Left front of the vehicle | ||||||||||||||
Headlamp - Low Beam - Right | Right front of the vehicle | ||||||||||||||
Headlamp Switch | Left side of the I/P | ||||||||||||||
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (Gas) | In the left exhaust pipe before the catalytic converter |
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Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Gas) | In the left exhaust pipe after the catalytic converter |
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Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (Gas) | In the right exhaust pipe before the catalytic converter |
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Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (Gas) | In the right exhaust pipe after the catalytic converter |
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Heated Seat Switch - Passenger (AN3) | Mounted on the front passenger door trim panel above the door handle | ||||||||||||||
Heated Seat Element - Driver Cushion (AN3) | Under the driver front seat bottom upholstery | ||||||||||||||
Heated Seat Element - Passenger Cushion (AN3) | Under the passenger front seat bottom upholstery | ||||||||||||||
Hood Ajar Switch (HP2) | In the engine compartment | -- | |||||||||||||
Horn - Left | On the lower left corner of the core support | ||||||||||||||
Horn - Right | On the lower right corner of the core support | ||||||||||||||
Horn Switch | In the steering wheel behind the inflatable restraint steering wheel module | -- | |||||||||||||
HVAC Control Module | Middle of the I/P below the radio | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Hybrid Control Module (HCM) (HP2) | Left side of the engine compartment attached to the fan shroud | ||||||||||||||
HYBRID fuse | In the fuse block - underhood | ||||||||||||||
Idle Air Control (IAC) Valve (4.3L) | Mounted to the throttle body | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Ignition Coil (4.3L) | On the top right side of the engine | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Ignition Coil 1 (4.8L, 5.3L, 6.0L, and 8.1L) | On the left rocker cover near the front of the engine at #1 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 2 (4.8L, 5.3L, 6.0L, and 8.1L) | On the right rocker cover near the front of the engine at #2 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 3 (4.8L, 5.3L, 6.0L, and 8.1L) | On the left rocker cover near the middle of the engine at #3 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 4 (4.8L, 5.3L, 6.0L, and 8.1L) | On the right rocker cover near the middle of the engine at #4 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 5 (4.8L, 5.3L, 6.0L, and 8.1L) | On the left rocker cover near the middle of the engine at #5 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 6 (4.8L, 5.3L, 6.0L, and 8.1L) | On the right rocker cover near the middle of the engine at #6 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 7 (4.8L, 5.3L, 6.0L, and 8.1L) | On the left rocker cover near the rear of the engine at #7 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Coil 8 (4.8L, 5.3L, 6.0L, and 8.1L) | On the right rocker cover near the rear of the engine at #8 cylinder | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Ignition Control Module (ICM) (4.3L) | mounted to the right front of the intake manifold in front of the ignition coil | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Ignition Key Alarm Switch | On the ignition key cylinder housing | ||||||||||||||
Ignition Switch | In the upper steering column on the ignition key cylinder housing | ||||||||||||||
Inflatable Restraint Front End Sensor - Left (w/o HVY) | On the left front of the vehicle by the core support | ||||||||||||||
Inflatable Restraint Front End Sensor - Right (w/o HVY) | On the right front of the vehicle by the core support | ||||||||||||||
Inflatable Restraint Front End Sensor (HVY) | Below the radiator core support in the center of the vehicle | ||||||||||||||
Inflatable Restraint I/P Module | On the right side of the I/P above the I/P compartment | ||||||||||||||
Inflatable Restraint I/P Module Disable Switch (Except 10 Series and Crew Cab) | In the I/P to the right of the radio | ||||||||||||||
Inflatable Restraint Passenger Presence System (PPS) Module (AL0) | Under the passenger seat attached to the seat frame | ||||||||||||||
Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor (AL0) | On the right side of the passenger seat attached to the seat belt retractor | ||||||||||||||
Inflatable Restraint Passenger Presence System (PPS) Sensor (AL0) | Under the front passenger seat attached to the seat frame | ||||||||||||||
Inflatable Restraint Seat Position Sensor (SPS) - Left (AL0) | On the left front outboard seat track | ||||||||||||||
Inflatable Restraint Seat Position Sensor (SPS) - Right (AL0) | On the right front outboard seat track | ||||||||||||||
Inflatable Restraint Side Impact Sensor - (SIS) Right (HP2) | Behind the passenger side door panel near the bottom of the door | ||||||||||||||
Inflatable Restraint Sensing and Diagnostic Module (SDM) | Under the driver seat | ||||||||||||||
Inflatable Restraint Steering Wheel Module | In the center of the steering wheel | ||||||||||||||
Inflatable Restraint Steering Wheel Module Coil | Between the steering wheel and the steering column | ||||||||||||||
Inside Rearview Mirror | Mounted to the windshield at the center of the window | ||||||||||||||
Instrument Panel Cluster (IPC) | Above the steering column in the I/P | ||||||||||||||
Intake Air Heater (IAH) Module (Diesel) | Mounted at the front of the engine center | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Intake Air Heater Fuse (Diesel) | In the left front of the engine compartment near the fuse block - underhood | -- | |||||||||||||
Intake Air Temperature (IAT) Sensor 2 (Diesel) | top front of engine near the turbo charger | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Internal Mode Switch (MW7) | In the automatic transmission | -- | -- | ||||||||||||
Junction Block - Battery Cable | Left side of the engine compartment attached below the generator | -- | -- | ||||||||||||
Junction Block - I/P | Right side of the I/P behind the access panel | ||||||||||||||
Junction Block - Rear Lamps | Inside of the left frame rail near the rear of the vehicle | ||||||||||||||
Knock Sensor (KS) (4.3L) | On the top left rear of the engine block | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Knock Sensor (KS) - 1 (4.8L, 5.3L, and 6.0L) | Under the intake manifold front | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Knock Sensor (KS) - 2 (4.8L, 5.3L, and 6.0L) | At the rear of the engine under the intake manifold | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine | ||||||||||||
Knock Sensor (KS) - Bank 1 (8.1L) | On the left side of the engine near the exhaust manifold | Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Knock Sensor (KS) - Bank 2 (8.1L) | On the right side of the engine near the exhaust manifold | Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
License Lamp - Left | To the left of the license plate mounting holes | ||||||||||||||
License Lamp - Right | To the right of the license plate mounting holes | ||||||||||||||
Manifold Absolute Pressure (MAP) Sensor (4.3L) | On the rear of the intake manifold | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Manifold Absolute Pressure (MAP) Sensor (4.8L, 5.3L, 6.0L and 8.1L) | Rear of the engine mounted to the top of the intake manifold | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Manifold Absolute Pressure (MAP) Sensor ( Diesel) | Mounted to the intake air tube in front of the intake air heater (IAH) module | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Marker Lamp - LF | Left front of the vehicle near the headlamps | ||||||||||||||
Marker Lamp - RF | Right front of the vehicle near the headlamps | ||||||||||||||
Marker Lamp - LR (X88) | Part of the left rear tail lamp assembly | ||||||||||||||
Marker Lamp - RR (X88) | Part of the right rear tail lamp assembly | ||||||||||||||
Marker Lamp - Tailgate (E63/RO5) | Below the tailgate directly above the license plate | ||||||||||||||
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (Diesel) | Part of the air induction system between the air cleaner assembly and the throttle body | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (Gas) | Part of the air induction system between the air cleaner assembly and the throttle body |
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Memory/Heated Seat Switch (AN3) | Attached to the driver door trim panel above the door handle | ||||||||||||||
Memory Seat Module (AN3) | Under the driver seat | ||||||||||||||
Mod Main Pressure Control Solenoid (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Mode Actuator | On the left side of the HVAC box | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Multifunction Accessory Switch | In the I/P to the right of the headlamp switch | ||||||||||||||
Noise Compensation Microphone (UQ7 w/Y91) | Driver side front of the center console | ||||||||||||||
OnStar Button Assembly (UE1) | Part of the inside rearview mirror assembly | ||||||||||||||
Park Brake Switch | Mounted near the top of the park brake pedal assembly | ||||||||||||||
Park/Neutral Position (PNP) Switch (A/T Except MW7) | On the left side of the transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission | Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission or Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
Passenger Door Module (PDM) (YE9) | Behind the front passenger door trim panel below the switch assembly | ||||||||||||||
Passlock Sensor | Part of the ignition lock cylinder case in the steering column | ||||||||||||||
Park/Turn Signal Lamp - LF | Left front of the vehicle | ||||||||||||||
Park/Turn Signal Lamp - RF | Right front of the vehicle | ||||||||||||||
Pressure Control Solenoid 1 (PCS1) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Pressure Control Solenoid 2 (PCS2) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Power Take Off (PTO) Relay (PTO) | On the fuse block - underhood bracket | ||||||||||||||
Power Take Off (PTO) Switch (PTO) | In the middle of the I/P under the radio near the HVAC controls | ||||||||||||||
Powertrain Control Module (PCM) | Left front of the engine compartment to the left of the fan shroud |
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Pressure Control (PC) Solenoid Valve | In the automatic transmission |
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Pressure Switch Manifold (PSM) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Propshaft Speed Sensor - Front (NP8) | On the left front side of the transfer case | Transfer Case Control Component Views for the NVG 246-NP8 transfer case | Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case | ||||||||||||
Propshaft Speed Sensor - Rear (NP8) | On the transfer case extension housing | Transfer Case Control Component Views for the NVG 246-NP8 transfer case | Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case | ||||||||||||
Radio | Center of the I/P above the HVAC controls | ||||||||||||||
Rear Seat Audio (RSA) Controller (UK6) | Mounted in the rear of the center console | ||||||||||||||
Rear Seat Entertainment (RSE) Assembly (U42) | Center of the vehicle mounted in the headliner | ||||||||||||||
Rear Window Defogger Grid | Attached to the rear glass | ||||||||||||||
Recirculation Actuator | In the top center of the HVAC module | HVAC Component Views for the automatic system or HVAC Component Views for the manual system | HVAC Connector End Views for the automatic system or HVAC Connector End Views for the manual system | ||||||||||||
Relay Block - I/P | Below the I/P to the left of the steering column | ||||||||||||||
Remote Playback Device - CD Player (U1S) | In the center of the I/P below the radio | ||||||||||||||
Roof Beacon Relay (5G4/TRW) | Attached to the left side B-pillar, behind the trim panel | ||||||||||||||
Roof Beacon Switch (5G4/TRW/50Y/5X7) | Center of the I/P attached to the accessory switch housing | ||||||||||||||
Roof Marker Lamp - Left (U01) | In the roof panel near the driver A-pillar | ||||||||||||||
Roof Marker Lamp - Right (U01) | In the roof panel near the passenger A-pillar | ||||||||||||||
Seat Adjuster Switch - Driver (AG1) | Left side of the driver seat cushion | ||||||||||||||
Seat Adjuster Switch - Passenger (AG2) | Right side of the front passenger seat cushion | ||||||||||||||
Seat Belt Buckle - Driver | To the right of the driver seat cushion | ||||||||||||||
Seat Belt Buckle - Passenger | To the left of the passenger seat cushion | ||||||||||||||
Seat Belt Switch - Driver | In the driver side seat belt buckle | -- | -- | ||||||||||||
Seat Belt Switch - Passenger (AL0) | In the front passenger side seat belt buckle | -- | -- | ||||||||||||
Seat Bolster/Lumbar Switch - Driver (AN3) | Left side of the driver seat cushion | ||||||||||||||
Seat Bolster/Lumbar Switch - Passenger (AN3) | Right side of the front passenger seat cushion | ||||||||||||||
Seat Bolster Motor - Driver (AN3) | Attached to the driver seat back frame | ||||||||||||||
Seat Bolster Motor - Passenger (AN3) | Attached to the front passenger seat back frame | ||||||||||||||
Seat Bolster Motor Position Sensor - Driver (AN3) | Attached to the driver seat bolster motor in the seat back frame | ||||||||||||||
Seat Front Vertical Motor - Driver (AG1) | Mounted to the driver seat track | ||||||||||||||
Seat Front Vertical Motor - Passenger (AG2) | Mounted to the front passenger seat track | ||||||||||||||
Seat Front Vertical Position Sensor - Driver (AN3) | Attached to the seat front vertical motor under the driver seat | ||||||||||||||
Seat Horizontal Motor - Driver (AG1) | Mounted to the front of the driver seat track | ||||||||||||||
Seat Horizontal Motor - Passenger (AG2) | Mounted to the front of the front passenger seat track | ||||||||||||||
Seat Horizontal Motor Position Sensor - Driver (AN3) | Attached to the seat horizontal motor under the driver seat | ||||||||||||||
Seat Lumbar Motor - Driver (AG1) | Attached to the driver seat back frame | ||||||||||||||
Seat Lumbar Motor - Passenger (AG2) | Attached to the front passenger seat back frame | ||||||||||||||
Seat Lumbar Motor Position Sensor - Driver (AN3) | Attached to the driver seat lumbar motor in the seat back frame | ||||||||||||||
Seat Recliner Motor - Driver (AN3) | On the driver seat track | ||||||||||||||
Seat Recliner Motor - Passenger (AN3) | Attached to the front passenger seat track | ||||||||||||||
Seat Recliner Motor Position Sensor - Driver (AN3) | On the driver seat track | ||||||||||||||
Seat Rear Vertical Motor - Driver (AG1) | Mounted to the driver seat track | ||||||||||||||
Seat Rear Vertical Motor - Passenger (AG2) | Mounted to the front passenger seat track | ||||||||||||||
Seat Rear Vertical Position Sensor - Driver (AN3) | Attached to the driver seat rear vertical motor under the driver seat | ||||||||||||||
Selectable Ride Switch (ZX3) | Center of the I/P near the radio | ||||||||||||||
Shift Solenoid 1 (SS1) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Shift Solenoid 2 (SS2) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Shift Solenoid 3 (SS3) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Shock Absorber Solenoid - LF (ZX3) | Part of the left front shock | ||||||||||||||
Shock Absorber Solenoid - LR (ZX3) | Part of the left rear shock | ||||||||||||||
Shock Absorber Solenoid - RF (ZX3) | Part of the right front shock | ||||||||||||||
Shock Absorber Solenoid - RR (ZX3) | Part of the right rear shock | ||||||||||||||
Speaker - LF Door | Left front door behind the trim panel | ||||||||||||||
Speaker - LF Tweeter (UQ7) | In the A-pillar trim panel | ||||||||||||||
Speaker - LF Tweeter (UQ3) | Mounted to the left front door panel above the door speaker | ||||||||||||||
Speaker - LR Door (Crew Cab) | Behind the left rear door trim panel | ||||||||||||||
Speaker - LR (Except Crew Cab) | In the B-pillar trim panel | ||||||||||||||
Speaker - RF Door | Mounted in the front passenger door trim panel | ||||||||||||||
Speaker - RF Tweeter (UQ7) | In the right A-pillar trim panel | ||||||||||||||
Speaker - RF Tweeter (UQ3) | Mounted to the right front door panel above the door speaker | ||||||||||||||
Speaker - RR Door (Crew Cab) | In the right rear door trim panel | ||||||||||||||
Speaker - RR (Except Crew Cab) | Mounted in the right B-pillar trim panel | ||||||||||||||
Speaker - Subwoofer (UQ7) | Mounted in the front of the center console | ||||||||||||||
Starter | On the lower left side of the engine | -- | |||||||||||||
Starter Solenoid | On the lower left side of the engine attached to the starter | ||||||||||||||
Starter/Generator Control Module (HP2) | Right rear side of the engine compartment mounted to the rear of engine compartment | ||||||||||||||
Starter/Generator Control Module Coolant Pump (HP2) | Front of the engine compartment mounted to the radiator core support between headlamp and air filter | ||||||||||||||
Steering Column Fuse Holder | In the steering wheel column harness | -- | -- | ||||||||||||
Steering Wheel Control Switch Assembly - Lower Left (UK3) | Mounted in the steering wheel spokes lower left | ||||||||||||||
Steering Wheel Control Switch Assembly - Lower Right (UK3) | Mounted in the steering wheel spokes lower right | ||||||||||||||
Steering Wheel Control Switch Assembly - Upper Left (UK3) | Mounted in the steering wheel spokes upper left | ||||||||||||||
Steering Wheel Control Switch Assembly - Upper Right (UK3) | Mounted in the steering wheel spokes upper right | ||||||||||||||
Steering Wheel Speed/Position Sensor (HP2) | Mounted to the bottom of the steering column | ||||||||||||||
Stop Lamp Switch | Mounted above the brake pedal assembly | ||||||||||||||
Supplemental Brake Assist Pump Motor (SBA) (JC4) | Left rear side of the engine compartment mounted to the power brake booster | ||||||||||||||
Tail/Stop Lamp - Left | Left rear of the vehicle | ||||||||||||||
Tail/Stop Lamp - Right | Right rear of the vehicle | ||||||||||||||
Temperature Sensor - Battery 1 (HP2) | In the energy control box attached to the battery 1 on the left rear of the battery | ||||||||||||||
Temperature Sensor - Battery 2 (HP2) | In the energy control box attached to the battery 2 on the front of the battery | ||||||||||||||
Temperature Sensor - Battery 3 (HP2) | In the energy control box attached to the battery 3 on the right side of the battery | ||||||||||||||
Throttle Actuator Control (TAC) Module (4.8L, 5.3L, 6.0L, and 8.1L) | Left rear of the engine compartment | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Throttle Body (4.8L, 5.3L, 6.0L, and 8.1L) | Front of the engine | Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Component Views for the 8.1L engine | Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Controls Connector End Views for the 8.1L engine | ||||||||||||
Throttle Position (TP) Sensor (4.3L) | Mounted to the left side of the throttle body | Engine Controls Component Views for the 4.3L engine | Engine Controls Connector End Views for the 4.3L engine | ||||||||||||
Tire Pressure Monitor (TPM) Module (UJ6) | Behind the I/P above the brake pedal assembly | -- | |||||||||||||
Tire Pressure Monitor Sensor - LF (UJ6) | Part of the LF tire | ||||||||||||||
Tire Pressure Monitor Sensor - LR (UJ6) | Part of the LR tire | ||||||||||||||
Tire Pressure Monitor Sensor - RF (UJ6) | Part of the RF tire | ||||||||||||||
Tire Pressure Monitor Sensor - RR (UJ6) | Part of the RR tire | ||||||||||||||
Tire Pressure Monitor Sensor - Spare (UJ6) | Part of the spare tire | ||||||||||||||
Torque Convertor Clutch (TCC) Solenoid Valve | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission | Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
Torque Converter Clutch Pressure Control Solenoid (TCC PCS) (MW7) | In the automatic transmission | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Internal Connector End Views for the Allison transmission | ||||||||||||
Torque Convertor Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve | In the automatic transmission | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission or Component Location for the 4L80-E/4L85-E transmission | Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission + or Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
Tow/Haul Switch | Mounted at the end of the transmission shift lever | Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission | Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission or Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission | ||||||||||||
Trailer Connector | Below the rear bumper near the center | ||||||||||||||
Traction Control Switch (NW7) | Left side of the I/P near the headlamp switch | ||||||||||||||
Transfer Case Shift Control Switch (NP2) | On the left side of the transfer case | Transfer Case Control Component Views for the NVG 261-NP2 transfer case | Transfer Case Control Connector End Views for the NVG 261-NP2 transfer case | ||||||||||||
Transfer Case Shift Control Switch (NP1/NP8) | On the left side of the I/P to the left of the instrument cluster | Transfer Case Control Component Views for the NVG 246-NP8 transfer case or Transfer Case Control Component Views for the NVG 263-NP1 transfer case | Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case or Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case | ||||||||||||
Transfer Case Encoder Motor (NP1/NP8) | Left side of the transfer case | Transfer Case Control Component Views for the NVG 246-NP8 transfer case or Transfer Case Control Component Views for the NVG 263-NP1 transfer case | Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case or Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case | ||||||||||||
Transfer Case Shift Control Module (NP1/NP8) | In the left side of the I/P behind the headlamp switch | Transfer Case Control Component Views for the NVG 246-NP8 transfer case or Transfer Case Control Component Views for the NVG 263-NP1 transfer case | Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case or Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case | ||||||||||||
Transmission Control Module (TCM) (MW7) | Left front of the engine compartment to the left of the fan shroud | Automatic Transmission Electronic Component Views for the Allison transmission | Automatic Transmission Related Connector End Views for the Allison transmission | ||||||||||||
Turbocharger Vane Position Control Solenoid Valve (Diesel) | Mounted on the right side of the turbocharger between the front and rear housing | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Turbocharger Vane Position Sensor (Diesel) | Mounted on the top of the turbocharger between the front and rear housing | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Turn Signal/Hazard Flasher Module | On the bottom of the I/P Fuse Block | -- | -- | ||||||||||||
Turn Signal Lamp - LR | Left rear of the vehicle | ||||||||||||||
Turn Signal Lamp - RR | Right rear of the vehicle | ||||||||||||||
Turn Signal/Multifunction Switch | On the steering column under the steering wheel | ||||||||||||||
Vanity Mirror Lamp - Left (Y91 and Crew Cab w/YE9) | Mounted in the sun visor | ||||||||||||||
Vanity Mirror Lamp - Right (Y91 and Crew Cab w/YE9) | Mounted in the sun visor | ||||||||||||||
Vehicle Communication Interface Module (VCIM) (UE1) | Behind the passenger air bag module | ||||||||||||||
Vehicle Speed Sensor (VSS) (w/2WD) | On the rear of the transmission |
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Vehicle Speed Sensor (VSS) (w/4WD) | On the rear of the transfer case |
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Voltage Sensor - 1 (HP2) | In the energy storage control box on top of the battery #1 | ||||||||||||||
Voltage Sensor - 2 (HP2) | In the energy storage control box on top of the battery #2 | ||||||||||||||
Voltage Sensor - 3 (HP2) | In the energy storage control box on top of the battery #3 | ||||||||||||||
Voltage Sensor - 4 (HP2) | In the energy storage control box on top of the battery #4 | ||||||||||||||
Washer Fluid Level Switch | On the washer fluid reservoir bottle | ||||||||||||||
Water In Fuel Sensor (Diesel) | Bottom of the fuel filter on the right side of the engine | Engine Controls Component Views for the 6.6L engine | Engine Controls Connector End Views for the 6.6L engine | ||||||||||||
Wheel Speed Sensor (WSS) - LF | On the left front hub and bearing assembly | ||||||||||||||
Wheel Speed Sensor (WSS) - RF | On the right front hub and bearing assembly | ||||||||||||||
Window Motor - Driver | In the front of the driver door | ||||||||||||||
Window Motor - Passenger | In the front of the passenger door | ||||||||||||||
Window Motor - LR (Crew Cab) | Mounted to the LR door regulator | ||||||||||||||
Window Motor - RR (Crew Cab) | Mounted to the RR door regulator | ||||||||||||||
Window Switch - LR (Crew Cab) | On the left rear door trim panel | ||||||||||||||
Window Switch - RR (Crew Cab) | On the right rear door trim panel | ||||||||||||||
Windshield Washer Fluid Pump | In the washer fluid reservoir | ||||||||||||||
Windshield Wiper/Washer Switch | Part of the multifunction turn signal lever on the steering column | ||||||||||||||
Windshield Wiper Motor Module | Under the windshield cowl between the wiper arms | ||||||||||||||
Wrecker Relay (5X7) | In the RR corner of the engine compartment, above the RH wheel house | ||||||||||||||
C100 (16 Cavities) | I/P harness to engine harness, under the fuse block - underhood | ||||||||||||||
C102 (10 Cavities) | I/P harness to chassis harness, under the fuse block - underhood | ||||||||||||||
C104 (12 Cavities) (YE9) | I/P harness to forward lamp harness, attached to the front side of the fuse block - underhood | ||||||||||||||
C104 (6 Cavities) (w/o YE9) | I/P harness to forward lamp harness, attached to the front side of the fuse block - underhood | ||||||||||||||
C105 (10 Cavities) (Diesel) | In the engine harness, at the left rear of engine compartment next to the fuse block - underhood | ||||||||||||||
C106 (6 Cavities) (PTO) | Engine harness to I/P harness, attached to the fuse block - underhood between the left battery and the fuse block - underhood | ||||||||||||||
C107 (38 Cavities) (6.6L) | engine harness to engine chassis harness, mounted to the top of the driver side valve cover | ||||||||||||||
C108 (24 Cavities) (6.6L) | engine harness to engine chassis harness, mounted to the top of the driver side valve cover | ||||||||||||||
C110 (3 Cavities) (6.6L) | fuel pressure regulator harness to engine harness, top center of engine near intake air temperature (IAT) sensor 2 | ||||||||||||||
C111 (3 Cavities) (6.6L) | fuel rail pressure (FRP) harness to engine harness, on right rear corner of the engine near injector 7 | ||||||||||||||
C113 (6 Cavities) (Diesel) | Engine jumper harness to engine harness, on the top of the engine next to the intake manifold | ||||||||||||||
C115 (2 Cavities) (4.8L, 5.3L and 6.0L) | Knock sensor harness to engine harness, left top center of manifold | ||||||||||||||
C116 (24 Cavities) (HP2) | Engine harness to I/P harness, attached to the rear of the fuse block - underhood on the left side of the engine compartment | ||||||||||||||
C117 (1 Cavity) (9L4) | Negative battery cable harness to accessory jumper harness, on the left side of the engine compartment near the fuse block - underhood | ||||||||||||||
C118 (1 Cavity) (HP2) | Drain wire to 42-volt harness, attached to the starter/generator control module at the right rear of the engine compartment | ||||||||||||||
C119 (2 Cavities) (9L4) | Accessory jumper harness to brake/clutch harness, at the left rear of the engine compartment near P100 | ||||||||||||||
C120 (10 Cavity) (HP2) | Engine harness to the forward lamp harness, on the front side of the fuse block - underhood | ||||||||||||||
C121 (1 Cavity) (HP2) | 42-volt harness to EHPS harness, at the right rear side of the engine compartment under the coolant reservoir | ||||||||||||||
C122 (1 Cavity) (HP2) | 42-volt harness to EHPS harness, at the right rear side of the engine compartment under the coolant reservoir | ||||||||||||||
C125 (7 Cavities) (VYU) | Snowplow harness to forward lamp harness, at the left front of the engine compartment on the radiator core support | ||||||||||||||
C127 (7 Cavities) (VYU) | Snowplow harness to forward lamp harness, at the right front of the engine compartment on the radiator core support | ||||||||||||||
C140 (7 Cavities) (HP2) | 42-volt harness to accessory power receptacle harness, at the right rear of the engine compartment under the starter/generator control module | ||||||||||||||
C145 (10 Cavities) (PTO) | Engine harness to PTO jumper harness, on the left side of the transmission near the shift tower | ||||||||||||||
C148 (7 Cavities) (4.8L, 5.3L, 6.0L, and 8.1L) | Engine harness to ignition coil jumper harness, on the top left side of the engine on the rocker cover | ||||||||||||||
C149 (7 Cavities) (4.8L, 5.3L, 6.0L, and 8.1L) | Engine harness to ignition coil jumper harness, on the top right side of the engine on the rocker cover | ||||||||||||||
C150 (4 Cavities) (NP8/NP1) | 4-wheel drive harness to 4-wheel drive jumper harness, in the engine compartment mounted to the left inner fender | ||||||||||||||
C151 (12 Cavities) (NP1/NP8) | ATC harness to I/P harness, on the left inner fender near the fuse block - underhood | ||||||||||||||
C152 (12 Cavities) | Chassis harness to engine harness, under the fuse block - underhood | ||||||||||||||
C153 (3 Cavities) (NP1/NP8/NP2) | 4-wheel drive harness to engine harness, on the left inner fender near the fuse block - underhood | ||||||||||||||
C154 (3 Cavities) (NP1/NP8) | I/P harness to ATC harness, on the left inner fender near the fuse block - underhood | ||||||||||||||
C155 (10 Cavities) (8.1L Only) | Engine harness to injector jumper harness, near the upper left front of engine | ||||||||||||||
C160 (2 Cavities) (5X7/5Y0) | Chassis harness to brake/clutch harness, at the left rear of the engine compartment near P100 | ||||||||||||||
C161 (1 Cavity) (5Y0) | Emergency vehicle relay harness to chassis harness, at the left rear of the engine compartment near the fuse block - underhood | ||||||||||||||
C175 (20 Cavities) (A/T) | Engine harness to transmission jumper harness, connects directly to the case of the transmission, jumper side internal to transmission |
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C180 (2 Cavity) (10 Series Except HP2) | Forward lamp harness to engine harness, under the fuse block - underhood | ||||||||||||||
C196 (1 Cavity) | I/P harness to chassis harness, on the left inner fender near the fuse block - underhood | ||||||||||||||
C201 (32 Cavities) | I/P harness to steering column harness, on the steering column under the I/P left knee bolster | ||||||||||||||
C202 (12 Cavities) (w/o HP2) | I/P harness to brake clutch harness, behind the I/P above the brake pedal assembly | ||||||||||||||
C202 (12 Cavities) (HP2) | I/P harness to brake clutch harness, under the upper dash pad on the left side and behind the right edge of the instrument cluster | ||||||||||||||
C205 (3 Cavities) (HP2) | Brake/clutch harness to brake pedal jumper, attached to the brake pedal assembly | ||||||||||||||
C206 (22 Cavities) (HP2) | I/P harness to body harness, behind the left kick panel | ||||||||||||||
C210 (2 Cavities) (5G4/TRW) | Brake clutch harness to roof beacon harness, left side of the I/P near the steering column | ||||||||||||||
C214 (8 Cavities) (UE1 w/o U42) | I/P harness to headliner harness, upper left side of the I/P above the instrument cluster | ||||||||||||||
C214 (16 Cavities) (UE1/U42) | I/P harness to headliner harness, upper left side of the I/P above the instrument cluster | ||||||||||||||
C216 (4 Cavities) (9L4) | Brake/clutch harness to fuse block jumper harness, top of the I/P near the center | ||||||||||||||
C220 (24 Cavities) (UQ7 w/o Y91) | I/P harness to infotainment jumper harness, middle of the I/P behind the HVAC control module | ||||||||||||||
C221 (4 Cavities) (SIR) | I/P harness to body harness, behind the left kick panel | ||||||||||||||
C222 (4 Cavities) (SIR) (w/o HP2) | I/P harness to body harness, behind the right kick panel | ||||||||||||||
C222 (4 Cavities) (SIR) (HP2) | I/P harness to body harness, behind the left side I/P access panel | ||||||||||||||
C223 (16 Cavities) (HP2) | I/P harness to body harness, behind the left kick panel | ||||||||||||||
C230 (2 Cavities) (UE1) | I/P harness to headliner harness, upper right side of the I/P, near the VCIM | ||||||||||||||
C231 (2 Cavities) (UE1) | I/P harness to headliner harness upper right side of the I/P near the VCIM | ||||||||||||||
C232 (1 Cavities) (UE1) | I/P harness to headliner harness upper right side of the I/P near the VCIM | ||||||||||||||
C249 (4 Cavities) (Except Y91) | Console harness to bezel harness, middle of the I/P behind the HVAC control module | ||||||||||||||
C249 (3 Cavities) (Y91) | Console harness to bezel harness, middle of the I/P behind the HVAC control module | ||||||||||||||
C250 (6 Cavities) (ZX3,5X7,5G4,5YO and TRW) | Brake/clutch harness to brake/clutch jumper harness, left side of the I/P to the right of the steering column | ||||||||||||||
C275 (4 Cavities) (AL0) | Steering column harness to steering wheel module coil, at the base of the steering column next to C201 | ||||||||||||||
C275 (2 Cavities) (HVY) | Steering column harness to steering wheel module coil, at the base of the steering column next to C201 | ||||||||||||||
C277 (8 Cavities) (UK3) | Steering wheel module coil to steering wheel harness, behind the driver side air bag | ||||||||||||||
C305 (16 Cavities) (AG1) | Body harness to driver seat harness, under the driver seat | ||||||||||||||
C306 (40 Cavities) (w/o Y91) | Infotainment jumper harness to console harness, under the front floor console | ||||||||||||||
C306 (40 Cavities) (Y91) | I/P harness to console harness, under the front floor console | ||||||||||||||
C310 (17 Cavities) (Crew Cab) | Left rear door harness to body harness, behind the driver side B-pillar trim panel between the door hinges | ||||||||||||||
C320 (13 Cavities) (AN3) | Seat jumper harness to seat harness, on the driver seat track assembly | ||||||||||||||
C321 (24 Cavities) (AN3) | Seat jumper harness to seat harness, on the driver seat track assembly | ||||||||||||||
C322 (10 Cavities) (AN3) | Seat motor jumper harness to seat jumper harness, on the driver seat track assembly | ||||||||||||||
C323 (6 Cavities) (AG1) | Seat motor jumper harness to seat jumper harness, on the driver seat track assembly | ||||||||||||||
C324 (8 Cavities) (AN3) | Lumbar bolster harness to seat harness, on the driver seat track assembly | ||||||||||||||
C325 (6 Cavities) (AN3) | Heated seat jumper harness to seat jumper harness, on the driver seat track assembly | ||||||||||||||
C326 (6 Cavities) (AN3) | Heated seat jumper harness to seat harness, on the passenger seat track assembly | ||||||||||||||
C329 (4 Cavities) (AG2) | Lumbar bolster harness to seat harness, on the passenger seat track assembly | ||||||||||||||
C330 (2 Cavities) (AL0) | Body harness to passenger seat harness, under the passenger seat | ||||||||||||||
C340 (8 Cavities) (HP2) | Body harness to EHPS harness, attached to the energy storage box | ||||||||||||||
C341 (2 Cavities) (HP2) | 42-volt harness to ESB battery harness, attached to the energy storage box | ||||||||||||||
C350 (2 Cavities) (NP1/NP8) | Engine harness to 4-wheel drive harness, top of the transfer case near fuel lines | ||||||||||||||
C355 (3 Cavities) (w/o UG1) | Headliner harness to overhead console harness, under the front overhead console | ||||||||||||||
C355 (6 Cavities) (UG1) | Headliner harness to overhead console harness, under the front overhead console | ||||||||||||||
C388 (6 Cavities) (AG2) | Seat motor jumper harness to passenger seat harness, on the passenger seat track assembly | ||||||||||||||
C396 (17 Cavities) (Crew Cab) | Body harness to right rear door harness, behind the passenger side B-pillar trim panel between the door hinges | ||||||||||||||
C399 (16 Cavities) (AN3) | Body harness to passenger seat harness, under the passenger seat | ||||||||||||||
C404 (2 Cavities) (RO5) | Left clearance lamp to license lamp harness, near the license lamps under the rear bumper | ||||||||||||||
C405 (2 Cavities) (RO5) | Right clearance lamp to license lamp harness, near the license lamps under the rear bumper | ||||||||||||||
C428 (7 Cavities) (UY2) | At rear of vehicle behind center of rear bumper near spare tire | ||||||||||||||
C429 (1 Cavities) (UY2) | At rear of vehicle behind center of rear bumper near spare tire | ||||||||||||||
G100 | In the forward lamp harness on the lower left of the radiator core support | -- | |||||||||||||
G102 (4.3L) | In the engine harness, front of cylinder block to the right of the crank pulley | -- | |||||||||||||
G102 (4.8L, 5.3L, 6.0L, and 8.1L) | Bolted to the left front of the cylinder block to the rear of the power steering pump | -- | |||||||||||||
G102 (Diesel) | Lower right front corner of the cylinder block attached to the lower front bolt hole | -- | |||||||||||||
G103 (4.3L) | In the engine harness, attached to the rear of the right side cylinder head | -- | |||||||||||||
G103 (4.8L, 5.3L, and 6.0L) | In the engine harness, upper right rear of the cylinder block above the right cylinder head | -- | |||||||||||||
G103 (8.1L) | Attached to the rear of the left side cylinder head near the cylinder block | -- | |||||||||||||
G103 (6.6L) | Lower right front corner of the cylinder block attached to the upper front bolt hole | -- | |||||||||||||
G104 (4.3L) | In the engine harness, attached to the rear of the left side cylinder head | -- | |||||||||||||
G104 (4.8L, 5.3L, and 6.0L) | In the engine harness, left rear of cylinder block near engine oil pressure (EOP) sensor | -- | |||||||||||||
G104 (8.1L) | Attached to the rear of the left side cylinder head near the rocker cover | -- | |||||||||||||
G104 (Diesel) | Lower left front corner of the cylinder block attached to the lower front bolt hole | -- | |||||||||||||
G106 (Gas w/TP2/8Y9) | In the main battery harness on the right side of the engine | -- | |||||||||||||
G107 (Gas w/TP2) | Ground strap from the engine to the frame rail | -- | -- | ||||||||||||
G108 (Diesel) | Lower left front corner of the cylinder block attached to the lower rear bolt hole | -- | |||||||||||||
G109 (Diesel) | Right side of the engine block behind G103 | -- | |||||||||||||
G110 | In the chassis harness on the left front body mount frame | -- | |||||||||||||
G115 (10 Series) | In the forward lamp harness on the lower right of the radiator core support | -- | |||||||||||||
G120 (HP2) | Mounted to the right rear of the engine compartment on the cowl | -- | |||||||||||||
G121 (HP2) | In the 42-volt harness, mounted to the front of the right cylinder head | -- | |||||||||||||
G122 (HP2) | In the 42-volt harness, mounted on the bracket behind the electronic power steering pump assembly | -- | |||||||||||||
G200 | In the HVAC harness, on the right side of the I/P near the A-pillar below the I/P top cover | -- | |||||||||||||
G203 | In the I/P harness, on the left side of the I/P near the A-pillar below the I/P top cover | -- | |||||||||||||
G302 (30 Series Except Chassis Cab/20 Series w/HVY) | In the chassis harness, attached to the third body mount on the left side | -- | |||||||||||||
G302 (10 Series) | On the left front frame body mount | -- | |||||||||||||
G304 | In the body harness, under the passenger seat | -- | |||||||||||||
G305 (Crew Cab) | In the body harness, behind the driver side B-pillar trim near the bottom | -- | |||||||||||||
G306 | In the body harness, behind the passenger side B-pillar trim near the bottom | -- | |||||||||||||
G310 (HP2) | ESB module ground, under the energy storage box control module | -- | |||||||||||||
G311 (HP2) | ESB ground, on the right side of the box between C341 and the EPTO harness connector | -- | |||||||||||||
G390 (Crew Cab w/Rear Window Defog) | Defogger grid harness, near the C-pillar | -- | |||||||||||||
G401 (10/20 Series Except HVY) | In the chassis harness, on the spare tire hoist assembly | -- | |||||||||||||
G403 (30 Series Chassis Cab) | In the chassis harness, attached to the third body mount on the left side | -- | |||||||||||||
G405 (HP2) | In the accessory power receptacle harness, near the right rear leaf spring mount | -- | |||||||||||||
S100 | In the forward lamp harness approximately 59.5 cm (23.42 in) from the daytime running lamp (DRL) - left | -- | |||||||||||||
S101 | In the forward lamp harness approximately 21.5 cm (8.46 in) from the horn (high note) | -- | |||||||||||||
S102 (4.3L) | In the engine harness approximately 20 cm (7.87 in) before the engine coolant temperature (ECT) sensor breakout | -- | |||||||||||||
S102 (4.8L, 5.3L, and 6.0L) | In the engine harness approximately 14 cm (5.51 in) before the manifold absolute pressure (MAP) sensor | -- | |||||||||||||
S102 (8.1L) | In the engine harness approximately 19 cm (7.48 in) before the C148 and C155 breakout | -- | |||||||||||||
S103 (4.3L) | In the engine harness approximately 16 cm (6.29 in) before the engine coolant temperature (ECT) sensor | -- | |||||||||||||
S103 (4.8L, 5.3L, and 6.0L) | In the engine harness approximately 7 cm (2.75 in) before the C148 and C155 breakout | -- | |||||||||||||
S103 (6.6L) | In the main engine harness, left side of engine, approximately 19 cm (7.4 in) before the breakout to the ECM connectors, near C106 breakout | -- | -- | ||||||||||||
S103 (8.1L) | In the engine harness approximately 14.5 cm (5.70 in) before the C148 and C155 breakout | -- | |||||||||||||
S104 | In the engine harness between the ignition coil connectors and G102 | -- | |||||||||||||
S108 (HP2) | In the engine harness approximately 23 cm (9 in) from the fuse block - underhood secondary | -- | |||||||||||||
S110 (Gas) | In the engine harness between the powertrain control module (PCM) and the heated oxygen sensors (HO2S) | -- | |||||||||||||
S113 (HP2) | In the engine harness approximately 11.5 cm (4.52 in) from the knock sensor connector breakout | -- | |||||||||||||
S114 (HP2) | In the engine harness approximately 8 cm (3.14 in) from the fuse block - underhood secondary breakout | -- | |||||||||||||
S115 (HP2) | In the engine harness approximately 17.5 cm (6.88 in) from the starter/generator control module | -- | |||||||||||||
S116 (HP2) | In the engine harness approximately 4 cm (1.57 in) from the fuse block - underhood secondary breakout | -- | |||||||||||||
S117 (HP2) | In the engine harness approximately 8.5 cm (3.34 in) from the heated oxygen sensor (HO2S) bank 1 sensor 2 connector breakout | -- | |||||||||||||
S118 (MW7) | In the engine harness between the engine control module (ECM) and the transmission control module (TCM) | -- | |||||||||||||
S119 (MW7) | In the engine harness between the engine control module (ECM) and the transmission control module (TCM) | -- | |||||||||||||
S120 (HP2) | In the 42-volt harness approximately 18 cm (7.08 in) from the C122 breakout | -- | |||||||||||||
S121 (HP2) | In the 42-volt harness approximately 18 cm (7.08 in) from the C121 breakout | -- | |||||||||||||
S122 (6.6L w A/T) | In the engine harness approximately 9 cm (3.54 in) from the ECM Connector Breakout | -- | |||||||||||||
S123 (8.1L w A/T) | In the engine harness approximately 20 cm (7.78 in) from the PCM Connector Breakout | -- | |||||||||||||
S123 (6.6L w A/T) | In the engine harness approximately 4.5 cm (1.77 in) from the ECM Connector Breakout | -- | |||||||||||||
S124 (HP2) | In the 42-volt harness approximately 20.5 cm (8.07 in) from C118 | -- | |||||||||||||
S125 (A/T Except MW7) | Inside the transmission | -- | |||||||||||||
S127 (6.6L) | In the engine harness approximately 18 cm (7.08 in) from the glow plug connector | -- | |||||||||||||
S128 (HP2) | In the EHPS harness approximately 5 cm (1.96 in) from the C122 breakout | -- | |||||||||||||
S129 (HP2) | In the EHPS harness approximately 5 cm (1.96 in) from the EHPS pump connector breakout | -- | |||||||||||||
S130 (HP2) | In the accessory power receptacle harness approximately 19 cm (7.48 in) from the starter/generator control module connector | -- | |||||||||||||
S131 (HP2) | In the engine harness approximately 5 cm (1.97 in) from the EHPS connector breakout | -- | |||||||||||||
S132 (8.1L) | In the engine harness approximately 13 cm (5.11 in) from the camshaft position sensor breakout | -- | |||||||||||||
S134 (HP2) | In the accessory power receptacle harness approximately 45 cm (17.71 in) from the C140 breakout | -- | |||||||||||||
S135 (HP2) | Inside the transmission | -- | |||||||||||||
S135 (MW7) | Inside the transmission | -- | |||||||||||||
S136 (HP2) | Inside the transmission | -- | |||||||||||||
S136 (MW7) | Inside the transmission | -- | |||||||||||||
S140 (ZX3) | In the chassis harness approximately 33.5 cm (13.19 in) from C102 | -- | |||||||||||||
S144 (6.6L) | In the engine harness approximately 18 cm (7.08 in) from the engine control module connector breakout | -- | |||||||||||||
S145 (6.6L) | In the engine harness approximately 22.86 cm (9 in) from C108 | -- | |||||||||||||
S146 (6.6L) | In the engine harness approximately 30.48 cm (12 in) from C108 | -- | |||||||||||||
S150 (Diesel w/8X5) | In the engine harnessapproximately 6 cm (2.36 in) from C107 and C108 breakout | -- | |||||||||||||
S151 | In the ignition coil jumper harness between C148 and the left bank ignition coils | -- | |||||||||||||
S152 (8.1L Only) | In the injector jumper harness between the left bank injectors and C155 | -- | |||||||||||||
S153 | In the ignition coil jumper harness between the right bank coils and C149 | -- | |||||||||||||
S154 (8.1L Only) | In the injector jumper harness between the right bank injectors and C155 | -- | |||||||||||||
S156 (4.8L, 5.3L, and 6.0L) | In the engine harness approximately 4 cm (1.57 in) before the C148 breakout | -- | |||||||||||||
S156 (8.1L) | In the engine harness approximately 22 cm (8.66 in) before the C148 and C155 breakout | -- | |||||||||||||
S157(4.8L, 5.3L, and 6.0L) | In the engine harness approximately 4 cm (1.57 in) before the C149 breakout | -- | |||||||||||||
S157 (8.1L) | In the engine harness approximately 22 cm (8.66 in) before the C149 breakout | -- | |||||||||||||
S159 | In the ignition coil jumper harness between the left bank coils and C148 | -- | |||||||||||||
S160 | In the ignition coil jumper harness between the right bank coils and C149 | -- | |||||||||||||
S163 (PTO) | In the engine harness approximately 7 cm (2.76 in) from the PTO relay connector breakout | -- | |||||||||||||
S164 (PTO) | In the engine harness approximately 13.5 cm (5.31 in) from the generator connector breakout | -- | |||||||||||||
S165 (4WD w/MW7 Only) | In the engine harness approximately 4 cm (1.57 in) from the fuse block underhood breakout | -- | |||||||||||||
S166 (10 Series) | In the forward lamp harness approximately 5 cm (1.97 in) from the C104 breakout | -- | -- | ||||||||||||
S166 (6.6L) | In the engine harness, on the breakout to injectors 1 and 4 | -- | -- | ||||||||||||
S167 (10 Series Except HP2) | In the engine harness approximately 13 cm (5.12 in) from the left fuel Injector bank breakout | -- | -- | ||||||||||||
S167 (6.6L) | In the engine harness, on the breakout to injectors 6 and 7 | -- | -- | ||||||||||||
S170 (6.6L) | In the engine harness approximately 8.89 cm (3.5 in) from C107 | -- | |||||||||||||
S171 (6.6L) | In the engine harness, approximately 76.2 cm (30 in) from G103 | -- | |||||||||||||
S174 (6.6L) | In the engine harness approximately 15.24 cm (6 in) from the fuel rail pressure regulator connector | -- | |||||||||||||
S175 (6.6L) | In the engine harness, on the breakout to the glow plug control module | -- | |||||||||||||
S176 (6.6L) | In the engine harness approximately 21.59 cm (8.5 in) from C107 | -- | |||||||||||||
S177 (6.6L) | In the engine harness approximately 7.62 cm (3 in) from C107 | -- | |||||||||||||
S180 (HP2) | In the engine harness approximately 10 cm (3.93 in) from the PCM breakout | -- | |||||||||||||
S181 (6.6L) | In the engine harness, on the breakout to injectors 2 and 5 | -- | -- | ||||||||||||
S182 (6.6L) | In the engine harness, on the breakout to injectors 3 and 8 | -- | -- | ||||||||||||
S200 (U01) | Insulation displacement connector in the roof marker harness | -- | |||||||||||||
S201(U01) | Insulation displacement connector in the roof marker harness | -- | |||||||||||||
S202 | In the I/P harness between the fuse block - left I/P and the relay block I/P | -- | |||||||||||||
S204 (HP2) | In the I/P harness approximately 6 cm (2.36 in) from P100 | -- | |||||||||||||
S205 | In the I/P harness between the inflatable restraint disable switch and the relay block - I/P | -- | |||||||||||||
S206 (PTO) | In the I/P harness between the fuse block - underhood and the relay block - I/P | -- | |||||||||||||
S207 (PTO) | In the I/P harness approximately 27 cm (10.62 in) from the headlamp switch connector | -- | |||||||||||||
S210 (UQ7 w/Y91) | In the I/P harness approximately 13 cm (5.12 in) from C202 breakout | ||||||||||||||
S213 | In the I/P harness between the cargo lamp switch and G203 | -- | |||||||||||||
S214 (NP8) | In the I/P harness between the transfer case shift control module and C154 | -- | |||||||||||||
S215 (5Y0/5X7/5G4/TRW) | In the brake clutch harness between C250 and the relay block - I/P | -- | |||||||||||||
S216 | In the steering column harness | -- | |||||||||||||
S217 | In the steering column harness | -- | |||||||||||||
S218 (CJ2) | In the I/P harness between the fuse block - right I/P and the relay block I/P | -- | |||||||||||||
S219 (5G4/5Y0/5X7) | In the brake/clutch harness between the roof beacon relay and C250 | -- | |||||||||||||
S220 (9L4) | In the mobile radio harness approximately 9.5 cm (3.74 in) from C216 | -- | |||||||||||||
S221 (9L4) | In the mobile radio harness approximately 2 cm (0.78 in) from the fuse block - mobile radio | -- | |||||||||||||
S222 (9L4) | In the mobile radio harness approximately 9 cm (3.54 in) from the fuse block - mobile radio | -- | |||||||||||||
S223 (9L4) | In the mobile radio harness approximately 13.14 cm (5.17 in) from C216 | -- | |||||||||||||
S224 (PTO) | In the I/P harness approximately 7 cm (2.75 in) from the instrument cluster connector breakout | -- | |||||||||||||
S240 | In the steering column harness | -- | |||||||||||||
S241 | In the steering column harness | -- | |||||||||||||
S260 (UK3) | In the steering wheel controls harness | -- | -- | ||||||||||||
S276 (UK3) | In the steering wheel harness approximately 4.3 cm (1.69 in) from C277 | -- | |||||||||||||
S277 (UK3) | In the steering wheel harness approximately 6.3 cm (2.48 in) from C277 | -- | |||||||||||||
S301 | In the console harness between C306 and the accessory power outlets | -- | |||||||||||||
S303 | In the console harness approximately 11.5 cm (4.52 in) before the C306 breakout | -- | |||||||||||||
S307 (UQ7) | In the console harness between C306 and the accessory power outlets | -- | |||||||||||||
S309 (AG1 w/AN3) | In the driver seat harness approximately 20.32 cm (8 in) from C322 | -- | |||||||||||||
S310 (AG1 w/AN3) | In the driver seat harness approximately 12.7 cm (5 in) from C322 | -- | |||||||||||||
S311 (AG2 w/AN3) | In the driver seat harness approximately 20.32 cm (8 in) from the seat lumbar/bolster switch connector | -- | |||||||||||||
S312 (Dual Tanks or EVA) | In the chassis harness approximately 28 cm (11 in) from G110 breakout | -- | -- | ||||||||||||
S314 (AG1 w/AN3) | In the driver seat harness approximately 20.32 cm (8 in) from C321 | -- | |||||||||||||
S315 (AG1 w/AN3) | In the driver seat harness approximately 12.7 cm (5 in) from the recliner motor position sensor | -- | |||||||||||||
S321 (Crew Cab w/YE9 or Extended/Crew Cab w/Y91) | In the headliner harness between the overhead console reading lamps and the relay block - I/P | -- | |||||||||||||
S326 (HP2) | In the 42-volt harness next to the energy storage box (ESB) | -- | |||||||||||||
S327 (HP2) | In the energy storage box 120-volt harness approximately 15 cm (5.9 in) from C341 | -- | |||||||||||||
S328 (AG2) | In the passenger seat harness between the seat adjuster switch and the bolster/lumbar switch | -- | |||||||||||||
S329 (AG2) | In the passenger seat harness approximately 38.1 cm (15 in) from C399 | -- | |||||||||||||
S330 (HP2) | In the accessory power receptacle harness near the fourth body mount on the right side | -- | |||||||||||||
S331 (HP2) | In the accessory power receptacle harness between the third and fourth body mounts on the right side | -- | |||||||||||||
S332 (HP2) | In the accessory power receptacle harness near the third body mount | -- | |||||||||||||
S333 | In the console harness between the rear seat audio (RSA) controller and C306 | -- | |||||||||||||
S335 (Y91) | In the I/P harness approximately 6.5 cm (2.56 in) from C202 breakout | -- | -- | ||||||||||||
S345 | In the headliner harness between the overhead console reading lamps and the relay block - I/P | -- | |||||||||||||
S351 (CF5) | In the sunroof harness | -- | -- | ||||||||||||
S352 (CF5) | In the sunroof harness | -- | -- | ||||||||||||
S408 (X88) | In the left rear lamp harness between the left rear turn signal and the junction block - rear lamps | -- | |||||||||||||
S412 (UY2) | In the camper/5th wheel harness 43.5 cm (17.12 in) from the trailer connector breakout | -- | -- | ||||||||||||
S413 (UY2) | In the camper/5th wheel harness 12 cm (4.72 in) from the trailer connector breakout | -- | -- | ||||||||||||
S414 (UY2) | In the camper/5th wheel harness 24 cm (9.44 in) from the trailer connector breakout | -- | -- | ||||||||||||
S415 (UY2) | In the camper/5th wheel harness 37 cm (14.6 in) from the trailer connector breakout | -- | -- | ||||||||||||
S416 (UY2) | In the camper/5th wheel harness 18.5 cm (7.28 in) from the trailer connector breakout | -- | -- | ||||||||||||
S417 (UY2) | In the camper/5th wheel harness 45.5 cm (17.91 in) from the trailer connector breakout | -- | -- | ||||||||||||
S418 (UY2) | In the camper/5th wheel harness 30.5 cm (12 in) from the trailer connector breakout | -- | -- | ||||||||||||
S420 (R05) | In the license lamp harness | -- | |||||||||||||
S421(R05) | In the left hip lamp harness | -- | |||||||||||||
S422 (R05) | In the right hip lamp harness | -- | |||||||||||||
S423 (R05) | In the right hip lamp harness | -- | |||||||||||||
S424 (R05) | In the left hip lamp harness | -- | |||||||||||||
S430 (HP2) | In the 120-volt harness approximately 5 cm (1.96 in) from the shielded ground wire breakout | -- | |||||||||||||
S431 (HP2) | In the pigtail of the EPTO outlet attached to the truck bed | -- | |||||||||||||
Splice Pack SP205 | In the I/P harness near the fuse block - left I/P under the knee bolster trim panel taped to the I/P harness | ||||||||||||||
Splice Pack SP207 (Y91) | In the I/P harness near the relay block - I/P above the emergency brake | ||||||||||||||
Splice Pack SP207 (Except Y91) | In the infotainment jumper harness near the relay block - I/P above the emergency brake | ||||||||||||||
Splice Pack SP250 (UQ7w/U2K/U42 or U2K/U1S or U42/U1S or U2K/U42/U1S) | In the infotainment jumper harness near the HVAC control module | -- |