BUZZERS, RELAYS & TIMERS
| Component | Location |
|---|---|
| A/C CMPRSR Relay | In underhood fuse block. (Scheme 233) |
| Auxiliary Battery Relay (4) | Rear of engine compartment. (Scheme 251) |
| BCK/UP LAMP (PCB) Relay | Integral to underhood fuse block. |
| CAB HTR PUMP Relay | In Hybrid auxiliary fuse block. (Scheme 289) |
| COOL PUMP Relay | In Hybrid auxiliary fuse block. (Scheme 289) |
| Drive Motor Battery Negative High Voltage Contactor Relay | Left side of drive motor generator battery case interior. |
| Drive Motor Battery Positive High Voltage Contactor Relay | Right side of drive motor generator battery case. |
| Drive Motor Battery Power Inverter Current Limit Relay | Right side of drive motor generator battery case. |
| DRL (PCB) Relay | Integral to underhood fuse block. |
| Emergency Vehicle Roof Lamp Relay (5) | In roof console. (Scheme 271) |
| ENG EXH VLV Relay | In underhood fuse block. (Scheme 233) |
| FAN CNTRL Relay (Except Hybrid) | In underhood fuse block. (Scheme 233) |
| FAN CNTRL Relay (Hybrid) | In Hybrid auxiliary fuse block. (Scheme 289) |
| FAN HI Relay (Except Hybrid) | In underhood fuse block. (Scheme 233) |
| FAN HI Relay (Hybrid) | In Hybrid auxiliary fuse block. (Scheme 289) |
| FAN LO Relay (Except Hybrid) | In underhood fuse block. (Scheme 233) |
| FAN LO Relay (Hybrid) | In Hybrid auxiliary fuse block. (Scheme 289) |
| FAN MID 1 Relay | In Hybrid auxiliary fuse block. (Scheme 289) |
| FAN MID 2 Relay | In Hybrid auxiliary fuse block. (Scheme 289) |
| FAN RLY Relay | In underhood fuse block. (Scheme 233) |
| FOG LAMP Relay | In underhood fuse block. (Scheme 233) |
| FRT WASH (PCB) Relay | Integral to underhood fuse block. |
| FUEL PMP Relay | In underhood fuse block. (Scheme 233) |
| Fuel Pump (FP) Relay (Secondary) (3) | Left side of engine compartment. (Scheme 274) |
| HDLP LO/HID Relay | In underhood fuse block. (Scheme 233) |
| HI BEAM (PCB) Relay | Integral to underhood fuse block. |
| HORN (PCB) Relay | Integral to underhood fuse block. |
| Integrated Trailer Brake Controller Solid State Relay | On rear of left frame rail. (Scheme 215) |
| L/GATE (PCB) Relay | Integral to underhood fuse block. |
| LOCK (PCB) Relay | Integral to underhood fuse block. |
| Lock (PCB) Relay (AU3 Except AN3/DL3) | Integral to I/P fuse block. |
| LOCK/UNLOCK (PCB) Relay | Integral to underhood fuse block. |
| Lock/Unlock (PCB) Relay (Crew Cab With AN3) | Integral to I/P fuse block. |
| PRK LAMP Relay | In underhood fuse block. (Scheme 233) |
| PWR/TRN Relay | In underhood fuse block. (Scheme 233) |
| REAR DEFOG Relay | In underhood fuse block. (Scheme 233) |
| REAR WASH (PCB) Relay | Integral to underhood fuse block. |
| Roof Beacon Relay (11) | In overhead console. (Scheme 270) |
| RUN/CRNK Relay | In underhood fuse block. (Scheme 233) |
| Run Relay (2) | Right rear of engine compartment. (Scheme 251) |
| STRTR Relay | In underhood fuse block. (Scheme 233) |
| Trailer Brake Controller Solid State Relay (20/30 Series) (3) | Left rear frame rail. (Scheme 278) |
| Trailer Brake Controller Solid State Relay (31 Series) (1) | On left frame rail. (Scheme 279) |
| Trailer Brake Control Relay | Mounted on rear frame, above spare tire mount. (Scheme 305) |
| TRLR LT STOP/TURN (PCB) Relay | Integral to underhood fuse block. |
| TRLR RT STOP/TURN (PCB) Relay | Integral to underhood fuse block. |
| UNLOCK (PCB) Relay | Integral to underhood fuse block. |
| Unlock (PCB) Relay (AU3 Except AN3/DL3) | Integral to I/P fuse block. |
| WIPER CONTROL (PCB) Relay | Integral to underhood fuse block. |
| WIPER SPEED (PCB) Relay | Integral to underhood fuse block. |
BUZZERS, RELAYS & TIMERS LOCATION
CIRCUIT PROTECTION DEVICES
| Component | Location |
|---|---|
| Fuse Block - Auxiliary | Left side of engine compartment. (Scheme 292) |
| Fuse Block (I/P) | Left side of dash. (Scheme 189) |
| Fuse Block (Mobile Radio) (1) | Behind right side of dash. (Scheme 283) |
| Fuse Block - Underhood (Except Hybrid) (4) | Left side of engine compartment. (Scheme 173) |
| Fuse Block - Underhood (Hybrid) | Left side of engine compartment. (Scheme 292) |
| Fuse Holder (Underhood) (Diesel) (2) | Right side of firewall. (Scheme 263) |
| Fuse Holder (Underhood) (Gas) | On positive battery terminal. |
| Heated Steering Fuse Holder (3) | On steering column. (Scheme 284) |
| Junction Block (Left I/P) | Lower left side of dash. (Scheme 189) |
| Junction Block (Rear Lamps) | Inside of left rear frame rail. (Scheme 190) |
| Junction Block (Right I/P) | In right end of dash. (Scheme 220) |
| Mega Fuse (2) | Right rear of engine compartment. (Scheme 262) |
CIRCUIT PROTECTION DEVICES LOCATION
CONTROL UNITS
| Component | Location |
|---|---|
| Accessory DC Power Control Module | Right rear of engine compartment. (Scheme 293) |
| Automatic Transmission Auxiliary Fluid Pump Control Module | Left side of engine compartment. (Scheme 294) |
| Blower Motor Control Module (CJ2) | Lower right side of HVAC module. (Scheme 202) |
| Blower Motor Control Module (C67) | Lower right side of HVAC module. (Scheme 203) |
| Body Control Module (BCM) | Lower left side of dash. (Scheme 189) |
| Central Sequential Fuel Injection (SFI) Module (1) | Top rear of engine. (Scheme 255) |
| Chime Module | Center of dash, behind radio. |
| Drive Motor Generator Battery Control Module | Under second row seats. (Scheme 294) |
| Drive Motor Generator Power Inverter Module | Right rear of engine compartment. (Scheme 293) |
| Electronic Brake Control Module (EBCM) | On left side of frame assembly. (Scheme 176) |
| Electronic Power Steering Motor Control Module | Right rear of engine compartment. (Scheme 293) |
| Engine Control Module (ECM) (Except Hybrid) (5) | Left front of engine compartment, near fan shroud. (Scheme 173) |
| Engine Control Module (ECM) (Hybrid) | Left front of engine compartment. (Scheme 292) |
| Fuel Pump Flow Control Module | Rear frame, near spare tire mount. (Scheme 305) |
| Fuel Pump/Trailer Brake Control Module | Rear frame, near spare tire mount. (Scheme 305) |
| Fuel System Control Module (FSCM) | Under rear of vehicle. (Scheme 195) |
| Glow Plug Control Module (GPCM) (Diesel) | Top left rear of engine. (Scheme 229) |
| Heated Steering Wheel Control Module (1) | In steering wheel. (Scheme 267) |
| Ignition Control Module (ICM) (4.3L) (5) | Rear of engine. (Scheme 255) |
| Inflatable Restraint Front Passenger Presence System (PPS) Module (7) | Under front passenger seat. (Scheme 209) |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) | Under driver's seat. (Scheme 175) |
| Infrared Module (3) | In headliner. (Scheme 271) |
| Intake Air Heater (IAH) (Diesel) | Left front of engine. (Scheme 229) |
| Integrated Trailer Brake Controller (ITBC) Module | On rear of left frame rail. (Scheme 215) |
| Memory Seat Module (10) | Under front of driver's seat. (Scheme 208) |
| Power Take Off (PTO) Module (PTO) (8) | Outside of right front chassis frame. (Scheme 258) |
| Rear Object Sensor Control Module | At rear cargo area, behind trim panel. (Scheme 175) |
| Rearview Camera Image Display Module | In chassis harness, center rear of vehicle. |
| Theft Deterrent Control Module | On right side of steering column. (Scheme 174) |
| Throttle Actuator Control (TAC) Module (Diesel) | Top right front of engine. (Scheme 231) |
| Trailer Brake Controller Module (TBCM) (20/30 Series) (2) | Left rear frame rail. (Scheme 278) |
| Trailer Brake Controller Module (TBCM) (31 Series) (2) | On left frame rail. (Scheme 279) |
| Transfer Case Shift Control Module | Lower left side of dash. (Scheme 189) |
| Transmission Control Module (Allison) | Left front of engine compartment, near fan shroud. (Scheme 182) |
| Transmission Control Module (M30/M70/MW7) (6) | Left front of engine compartment, near fan shroud. (Scheme 173) |
| Vehicle Communication Interface Module (VCIM) (5) | Behind center of dash. (Scheme 264) |
CONTROL UNITS LOCATION
MOTORS
| Component | Location |
|---|---|
| Air Temperature Actuator (C67) | Top middle of HVAC module. (Scheme 203) |
| Air Temperature Actuator (Left) (CJ2) | Bottom left of HVAC module. (Scheme 202) |
| Air Temperature Actuator (Right) (CJ2) | Top middle of HVAC module. (Scheme 202) |
| Automatic Transmission Auxiliary Fluid Pump | Under front of automatic transmission. (Scheme 294) |
| Blower Motor (CJ2) | Lower right side of HVAC module. (Scheme 202) |
| Blower Motor (C67) | Lower right side of HVAC module. (Scheme 203) |
| Cooling Fan (Left) | Left front of engine compartment. (Scheme 197) |
| Cooling Fan (Right | Right front of engine compartment. (Scheme 197) |
| Door Latch Assembly (Driver/Passenger) | In rear of respective front door. |
| Drive Motor With Generator Assembly - 1st Position | In automatic transmission. (Scheme 294) |
| Drive Motor With Generator Assembly - 2nd Position | In automatic transmission. (Scheme 294) |
| Electronic Adjustable Pedal Assembly | Under left side of dash. (Scheme 172) |
| Front Axle Actuator | On front axle assembly. (Scheme 217) |
| Fuel Pump (Diesel) (2) | Between fuel tanks, on left frame rail. (Scheme 275) |
| Fuel Pump & Sender Assembly - Front (Gas) (2) | In front fuel tank. (Scheme 274) |
| Fuel Pump & Sender Assembly (Primary) | Inside fuel tank. (Scheme 176) |
| Fuel Pump & Sender Assembly - Rear (Gas + LY6) (1) | In rear fuel tank. (Scheme 274) |
| Fuel Pump & Sender Assembly (Short Wheel Base) | Inside fuel tank. (Scheme 196) |
| Mode Actuator (CJ2) | Left end of HVAC module. (Scheme 202) |
| Mode Actuator (C67) | Left end of HVAC module. (Scheme 203) |
| Power Steering Assist Motor | Lower front of engine compartment. |
| Recirculation Actuator (CJ2) | Top right side of HVAC module. (Scheme 202) |
| Recirculation Actuator (C67) | Top right side of HVAC module. (Scheme 203) |
| Seat Adjuster Assembly (Driver) (12) | On driver's seat track. (Scheme 208) |
| Seat Adjuster Assembly (Passenger) (8) | On passenger's seat track. (Scheme 209) |
| Seat Lumbar Horizontal Motor (Driver) (5) | In driver's seat back. (Scheme 208) |
| Seat Lumbar Horizontal Motor (Passenger) (11) | In passenger's seat back. (Scheme 209) |
| Seat Lumbar Vertical Motor (Driver) (3) | In driver's seat back. (Scheme 208) |
| Seat Lumbar Vertical Motor (Passenger) (3) | In passenger's seat back. (Scheme 209) |
| Seat Recline Motor (Driver) (1) | Lower right side of driver seat back. (Scheme 208) |
| Seat Recline Motor (Passenger) (10) | Lower right side of passenger's seat back. (Scheme 209) |
| Sliding Rear Window Motor | Right rear of passenger compartment. (Scheme 200) |
| Starter (Diesel) | Lower right rear side of engine. (Scheme 231) |
| Starter (4.3L) (8) | Lower right rear of engine. (Scheme 254) |
| Starter (4.8L, 5.3L, 6.0L & 6.2L) (10) | Lower right rear side of engine. (Scheme 191) |
| Sunroof Module | In front of sunroof, above headliner. |
| Transfer Case Encoder Motor (NQH) | On transfer case. (Scheme 218) |
| Window Motor (Driver) | Inside driver's door. (Scheme 184) |
| Window Motor (Left Rear) (Crew Cab) | In left rear door. (Scheme 186) |
| Window Motor (Left Rear) (Extended Cab) | In left rear door. (Scheme 198) |
| Window Motor (Passenger) | Inside passenger's door. (Scheme 185) |
| Window Motor (Right Rear) (Crew Cab) | In right rear door. (Scheme 187) |
| Window Motor (Right Rear) (Extended Cab) | In right rear door. (Scheme 199) |
| Windshield Washer Fluid Pump | Bottom of washer fluid reservoir. (Scheme 219) |
| Windshield Wiper Motor (Except Hybrid) (1) | Under left side of windshield cowl. (Scheme 173) |
| Windshield Wiper Motor (Hybrid) | Under left side of windshield cowl. (Scheme 292) |
MOTORS LOCATION
SENDING UNITS & SENSORS
| Component | Location |
|---|---|
| Accelerator Pedal Position (APP) Sensor | Above accelerator pedal. (Scheme 172) |
| A/C Refrigerant Pressure Sensor (Diesel) | Near compressor, on A/C high pressure hose. (Scheme 229) |
| A/C Refrigerant Pressure Sensor (Hybrid) | Right rear of engine compartment. (Scheme 293) |
| A/C Refrigerant Pressure Sensor (4.3L) (6) | Near compressor, on A/C high pressure hose. (Scheme 262) |
| A/C Refrigerant Pressure Sensor (4.8L, 5.3L, 6.0L & 6.2L) (4) | Near compressor, on A/C high pressure hose. (Scheme 194) |
| Air Temperature Sensor (Lower Left) (CJ2) | Left side of HVAC module. (Scheme 202) |
| Air Temperature Sensor (Lower Right) (CJ2) | Lower left of HVAC module. (Scheme 202) |
| Air Temperature Sensor (Upper Left) (CJ2) (1) | Under upper left side of dash. (Scheme 266) |
| Air Temperature Sensor (Upper Right ) (CJ2) (2) | Under upper right side of dash. (Scheme 266) |
| Ambient Air Temperature Sensor - HVAC (CJ2) (3) | On left side of radiator support. (Scheme 261) |
| Ambient Air Temperature Sensor (ISRVM) | On radiator support. (Scheme 206) |
| Ambient Light/Sunload Sensor Assembly (4) | Top center of dash. (Scheme 265) |
| Automatic Transmission Input Shaft Speed (A/T ISS) Sensor (MW7) (4) | Left side of transmission. (Scheme 258) |
| Automatic Transmission Turbine Speed Sensor (MW7) (3) | Left side of transmission. (Scheme 258) |
| Battery Current Sensor (Hybrid) | Left side of engine compartment. (Scheme 292) |
| Battery Current Sensor (4.3L) (1) | Right rear of engine compartment. (Scheme 262) |
| Brake Booster Vacuum Sensor (7) | Left rear of engine compartment. (Scheme 173) |
| Brake Mastery Cylinder Piston Pressure Sensor | Bottom of brake master cylinder. (Scheme 292) |
| Brake Mastery Cylinder Pressure Sensor (7) | Left rear of engine compartment. (Scheme 173) |
| Camshaft Position (CMP) Sensor (Diesel) | Front of engine, above crank pulley. (Scheme 229) |
| Camshaft Position (CMP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) | Front of engine, above crank pulley. (Scheme 193) |
| Crankshaft Position (CKP) Sensor (Diesel) | Front of engine, right of crank pulley. (Scheme 231) |
| Crankshaft Position (CKP) Sensor (4.3L) (6) | Front of engine, right of crank pulley. (Scheme 254) |
| Crankshaft Position (CKP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (8) | Right rear of engine. (Scheme 191) |
| DPF Differential Pressure Sensor (4) | On frame crossmember. (Scheme 276) |
| Drive Motor Battery Current Sensor | Rear of drive motor generator battery case. |
| Drive Motor Battery Temperature Sensor - Air Inlet | Left side of drive motor generator battery case. |
| Drive Motor Battery Temperature Sensor - Air Outlet | Right side of drive motor generator battery case. |
| Drive Motor Battery Temperature Sensor 1 | Top of battery module 1, in battery case. |
| Drive Motor Battery Temperature Sensor 2 | Top of battery module 14, in battery case. |
| Drive Motor Battery Temperature Sensor 3 | Top of battery module 27, in battery case. |
| Drive Motor Battery Temperature Sensor 4 | Top of battery module 40, in battery case. |
| Engine Coolant Temperature (ECT) Sensor (Diesel) | Top front center of engine. (Scheme 229) |
| Engine Coolant Temperature (ECT) Sensor (4.3L) (8) | Left side of engine. (Scheme 252) |
| Engine Coolant Temperature (ECT) Sensor (4.8L, 5.3L, 6.0L & 6.2L) | On top of engine. (Scheme 193) |
| Engine Oil Pressure (EOP) Sensor (Diesel) | Lower left rear of engine. (Scheme 290) |
| Engine Oil Pressure (EOP) Sensor (4.3L) (4) | Rear of engine. (Scheme 255) |
| Engine Oil Pressure (EOP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (12) | Top rear of engine. (Scheme 191) |
| Evaporator Temperature Sensor | On HVAC assembly. |
| Exhaust Differential Sensor (4) | On frame rail above catalytic converter. (Scheme 276) |
| Exhaust Gas Recirculation (EGR) Temperature Sensor 1 (Diesel) | Top right rear of engine. |
| Exhaust Gas Recirculation (EGR) Temperature Sensor 2 (Diesel) | Top right front of engine. |
| Exhaust Gas Temperature (EGT) Sensor 1 (3) | In exhaust, upstream of catalytic converter. (Scheme 276) |
| Exhaust Gas Temperature (EGT) Sensor 2 (2) | In exhaust, downstream of catalytic converter. (Scheme 276) |
| Fuel Level Sensor - Primary (3) | In front fuel tank. (Scheme 275) |
| Fuel Level Sensor - Secondary (1) | In rear fuel tank. (Scheme 275) |
| Fuel Line Pressure Sensor (E85) | Under left side of vehicle. (Scheme 176) |
| Fuel Pump & Sender Assembly (Primary) | Inside fuel tank. (Scheme 176) |
| Fuel Rail Pressure (FRP) Sensor | Top left rear of engine. (Scheme 290) |
| Fuel Rail Temperature Sensor (Diesel) | Top left rear of engine. (Scheme 229) |
| Fuel Tank Pressure (FTP) Sensor (E85) | On fuel pump & sender assembly. (Scheme 176) |
| Fuel Tank Pressure Sensor (Short Wheel Base) | On fuel pump & sender assembly. (Scheme 196) |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (4.3L) (6) | Near left side of engine. (Scheme 252) |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (4.8L, 5.3L, 6.0L & 6.2L) (1) | Upstream of left catalytic converter. (Scheme 257) |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (4.3L) (5) | Near left side of engine. (Scheme 252) |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (4.8L, 5.3L, 6.0L & 6.2L) (4) | Downstream of left catalytic converter. (Scheme 257) |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (4.3L) (9) | Near right side of engine. (Scheme 254) |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (4.8L, 5.3L, 6.0L & 6.2L) (2) | Upstream of right catalytic converter. (Scheme 257) |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (4.3L) (10) | Near right side of engine. (Scheme 254) |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (4.8L, 5.3L, 6.0L & 6.2L) (3) | Downstream of right catalytic converter. (Scheme 257) |
| Inflatable Restraint Front End Sensor (Left) | On lower left radiator support. (Scheme 213) |
| Inflatable Restraint Front End Sensor (Right) | On lower right radiator support. (Scheme 213) |
| Inflatable Restraint Front Passenger Presence System (PPS) Sensor (9) | In front passenger's seat bottom. (Scheme 209) |
| Inflatable Restraint Front Sensor (2) | Behind center of front bumper. (Scheme 260) |
| Inflatable Restraint Seat Position Sensor (SPS) (Left) (11) | Right front corner of driver's seat track. (Scheme 208) |
| Inflatable Restraint Side Impact Sensor (SIS) (Left Front) | In driver's door. (Scheme 184) |
| Inflatable Restraint Side Impact Sensor (SIS) (Left Rear) (Crew Cab) | In left rear door. (Scheme 186) |
| Inflatable Restraint Side Impact Sensor (SIS) (Left Rear) (Extended Cab) | In left rear door. (Scheme 198) |
| Inflatable Restraint Side Impact Sensor (SIS) (Right Front) | In passenger's door. (Scheme 185) |
| Inflatable Restraint Side Impact Sensor (SIS) (Right Rear) (Crew Cab) | In right rear door. (Scheme 187) |
| Inflatable Restraint Side Impact Sensor (SIS) (Right Rear) (Extended Cab) | In right rear door. (Scheme 199) |
| Input & Output Speed Sensor Assembly (2) | In transmission, on control solenoid valve assembly. (Scheme 259) |
| Input Speed Sensor (ISS) Assembly | In transmission. (Scheme 179) |
| Inside Air Temperature Sensor (Front) (CJ2) | Left side of headliner. (Scheme 183) |
| Intake Air Temperature (IAT) Sensor 2 (Diesel) | On top center of engine. (Scheme 229) |
| Knock Sensor (KS) 1 (4.3L) (7) | Lower left side of engine. (Scheme 252) |
| Knock Sensor (KS) 1 (4.8L, 5.3L, 6.0L & 6.2L) | Lower left side of engine. (Scheme 193) |
| Knock Sensor (KS) 2 (4.3L) (7) | Lower right side of engine. (Scheme 254) |
| Knock Sensor (KS) 2 (4.8L, 5.3L, 6.0L & 6.2L) (7) | Lower right side of engine. (Scheme 191) |
| Manifold Absolute Pressure (MAP) Sensor (Diesel) | On top of intake manifold. (Scheme 229) |
| Manifold Absolute Pressure (MAP) Sensor (4.3L) (2) | Top rear of engine. (Scheme 255) |
| Manifold Absolute Pressure (MAP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (4) | On top of intake manifold. (Scheme 191) |
| Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (Hybrid) | On air intake duct. (Scheme 293) |
| Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (4.3L) (2) | Right front of engine. (Scheme 254) |
| Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (5) | Right front of engine compartment. (Scheme 194) |
| Mass Air Flow (MAF) Sensor | Front of engine. (Scheme 231) |
| Object Sensor (Left Rear Corner) | Left corner of rear bumper. (Scheme 207) |
| Object Sensor (Left Rear Middle) | Left side of rear bumper. (Scheme 207) |
| Object Sensor (Right Rear Corner) | Right corner of rear bumper. (Scheme 207) |
| Object Sensor (Right Rear Middle) | Right side of rear bumper. (Scheme 207) |
| Outside Moisture Sensor (3) | Near inside rearview mirror mount. (Scheme 272) |
| Seat Lumbar Horizontal Motor Position Sensor (Driver) (6) | In driver's seat back. (Scheme 208) |
| Seat Lumbar Vertical Motor Position Sensor (Driver) (2) | In driver's seat back. (Scheme 208) |
| Seat Recline Position Sensor (Driver) (7) | In driver's seat back. (Scheme 208) |
| Steering Angle Sensor | On steering column. (Scheme 174) |
| Transfer Case 2/4 Wheel Drive Actuator Position Sensor | On transfer case. (Scheme 218) |
| Turbocharger Vane Position Sensor (Diesel) | On left side of engine. (Scheme 232) |
| Vehicle Speed Sensor (VSS) (MW7) (6) | Rear of transmission. (Scheme 258) |
| Vehicle Speed Sensor (VSS) (NQG) | On transfer case tailshaft housing. (Scheme 216) |
| Vehicle Speed Sensor (VSS) (NQH) | On transfer case tailshaft housing. (Scheme 218) |
| Vehicle Speed Sensor (VSS) (4L60-E) | On transmission tailshaft housing. (Scheme 179) |
| VSS Sensor | On transfer case tailshaft housing. (Scheme 181) |
| Water In Fuel Sensor (Diesel) | Right side of engine. (Scheme 231) |
| Wheel Speed Sensor (WSS) (Left Front) | On left front steering knuckle. (Scheme 177) |
| Wheel Speed Sensor (WSS) (Left Rear) | On left rear brake backing plate. (Scheme 178) |
| Wheel Speed Sensor (WSS) (Right Front) | On right front steering knuckle. (Scheme 177) |
| Wheel Speed Sensor (WSS) (Right Rear) | On right rear brake backing plate. (Scheme 178) |
| YAW Rate & Lateral Acceleration Sensor | Under center console trim panel. (Scheme 175) |
SENDING UNITS & SENSORS LOCATION
SOLENOIDS & SOLENOID VALVES
| Component | Location |
|---|---|
| A/C Compressor Clutch (Diesel) | On front of A/C compressor. (Scheme 229) |
| A/C Compressor Clutch (4.3L) (9) | On front of A/C compressor. (Scheme 252) |
| A/C Compressor Clutch (4.8L, 5.3L, 6.0L & 6.2L) (3) | On front of A/C compressor. (Scheme 194) |
| Camshaft Actuator Solenoid (6.0L/6.2L) (1) | Front of engine. (Scheme 256) |
| Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.3L) (1) | Top left rear of engine. (Scheme 254) |
| Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.8L, 5.3L, 6.0L & 6.2L) | On intake manifold. (Scheme 193) |
| Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (E85) | Under rear of vehicle. Near rear of fuel tank. |
| Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (Short Wheel Base) | Under rear of vehicle. (Scheme 196) |
| Exhaust Gas Recirculation (EGR) Valve (Diesel) | On top right side of engine. (Scheme 231) |
| Fuel Injectors 2, 4, 6 & 8 (Diesel) | Above respective cylinders. (Scheme 290) |
| Fuel Injector 1 (Diesel) | Top of right cylinder bank. (Scheme 231) |
| Fuel Injector 1 (4.3L) (6) | Top of left cylinder bank. (Scheme 253) |
| Fuel Injector 1 (4.8L, 5.3L, 6.0L & 6.2L) | Top of left cylinder bank. (Scheme 192) |
| Fuel Injector 2 (4.3L) (1) | Top of right cylinder bank. (Scheme 253) |
| Fuel Injector 2 (4.8L, 5.3L, 6.0L & 6.2L) | Top of right cylinder bank. (Scheme 192) |
| Fuel Injector 3 (Diesel) | Top of right cylinder bank. (Scheme 231) |
| Fuel Injector 3 (4.3L) (5) | Top of left cylinder bank. (Scheme 253) |
| Fuel Injector 3 (4.8L, 5.3L, 6.0L & 6.2L) | Top of left cylinder bank. (Scheme 192) |
| Fuel Injector 4 (4.3L) (2) | Top of right cylinder bank. (Scheme 253) |
| Fuel Injector 5 (Diesel) | Top of right cylinder bank. (Scheme 231) |
| Fuel Injector 5 (4.3L) (4) | Top of left cylinder bank. (Scheme 253) |
| Fuel Injector 5 (4.8L, 5.3L, 6.0L & 6.2L) | Top of left cylinder bank. (Scheme 192) |
| Fuel Injector 6 (4.3L) (3) | Top of right cylinder bank. (Scheme 253) |
| Fuel Injector 6 (4.8L, 5.3L, 6.0L & 6.2L) | Top of right cylinder bank. (Scheme 192) |
| Fuel Injector 7 (Diesel) | Top of right cylinder bank. (Scheme 231) |
| Fuel Injector 7 (4.8L, 5.3L, 6.0L & 6.2L) | Top of left cylinder bank. (Scheme 192) |
| Fuel Injector 8 (4.8L, 5.3L, 6.0L & 6.2L) | Top of right cylinder bank. (Scheme 192) |
| Shift Interlock Solenoid | On steering column. (Scheme 174) |
| Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve | In transmission. (Scheme 179) |
| Torque Converter Clutch (TCC) Solenoid Valve | In transmission. (Scheme 179) |
| Turbocharger Vane Position Control Solenoid Valve (Diesel) | Top rear of engine. (Scheme 229) |
| 1-2 Shift Solenoid (SS) Valve | In transmission. (Scheme 179) |
| 2-3 Shift Solenoid (SS) Valve | In transmission. (Scheme 179) |
| 3-2 Shift Solenoid (SS) Valve Assembly | In transmission. (Scheme 179) |
SOLENOIDS & SOLENOID VALVES LOCATION
SWITCHES
| Component | Location |
|---|---|
| A/C Low Pressure Switch (4.3L) (3) | On right side of A/C accumulator. (Scheme 262) |
| A/C Low Pressure Switch (4.8L, 5.3L, 6.0L & 6.2L) (2) | On right side of A/C accumulator. (Scheme 194) |
| Brake Fluid Level Switch (Hybrid) | On brake master cylinder reservoir. (Scheme 292) |
| Brake Fluid Level Switch (8) (Except Hybrid) | On brake master cylinder reservoir. (Scheme 173) |
| Engine Coolant Level Switch (Diesel) | On bottom of surge tank. (Scheme 228) |
| Engine Oil Level (EOL) Switch | Left side of oil pan. (Scheme 290) |
| Engine Oil Level Switch (Diesel) | Left side of engine oil pan. |
| Engine Oil Level Switch (4.8L, 5.3L, 6.0L & 6.2L) (9) | On right side of engine oil pan. (Scheme 191) |
| Hood Ajar Switch | Part of hood latch assembly. (Scheme 206) |
| Ignition Switch | In upper steering column. (Scheme 174) |
| Internal Mode Switch (3) | In transmission, on control solenoid valve assembly. (Scheme 259) |
| Park Brake Switch | On park brake pedal assembly. (Scheme 205) |
| Park/Neutral Position (PNP) Switch | On left rear side of transmission. (Scheme 180) |
| Stop Lamp Switch | Top of brake pedal assembly. (Scheme 172) |
| Transfer Case Shift Control Switch | On top left of transfer case. (Scheme 216) |
| Turn Signal Multifunction Switch | On left side of steering column. (Scheme 174) |
| Washer Fluid Level Switch | Bottom of washer fluid reservoir. (Scheme 219) |
SWITCHES LOCATION
MISCELLANEOUS
| Component | Location |
|---|---|
| Audio Amplifier (3) | Under rear of center console. (Scheme 268) |
| Battery Module | In compartment under rear seats. |
| Camper Trailer Blunt Cuts (UY2) (11) | On left rear body mount. (Scheme 277) |
| Cellular/Navigation Antenna (2) | Left front of roof. (Scheme 269) |
| Cellular/Navigation & Digital Radio Antenna (2) | Left front of roof. (Scheme 269) |
| Cellular Telephone Microphone | In overhead console. (Scheme 183) |
| Data Link Connector (DLC) | Lower left side of dash. (Scheme 188) |
| Data Link Resistor | In chassis harness, on left rear chassis cross member. (Scheme 305) |
| Digital Radio Receiver (6) | Behind right end of dash. (Scheme 264) |
| Door Latch Assembly (Driver) | Rear of driver's door. (Scheme 184) |
| Door Latch Assembly (Left Rear) (Crew Cab) | Rear of left rear door. (Scheme 186) |
| Door Latch Assembly (Passenger) | Rear of passenger's door. (Scheme 185) |
| Door Latch Assembly (Right Rear) (Crew Cab) | Rear of right rear door. (Scheme 187) |
| Drive Motor Battery Inverter Current Limit Resistor | Right side of drive motor generator battery case. |
| Drive Motor Generator Battery | Under second row seats. (Scheme 294) |
| Emergency Vehicle Wiring Blunt Cuts (4) | In roof console. (Scheme 271) |
| Fuel Heater (Diesel) | Right side of engine, near fuel filter. (Scheme 229) |
| Generator - Auxiliary | Upper left front of engine. (Scheme 229) |
| Generator (Right) (Diesel) | Upper right front of engine. (Scheme 229) |
| Generator (4.3L) (1) | Top front of engine. (Scheme 252) |
| Generator (4.8L, 5.3L, 6.0L & 6.2L) | Upper left front of engine. (Scheme 193) |
| Glow Plugs 2, 4, 6 & 8 | Above respective cylinders. (Scheme 290) |
| GMLAN Terminator | At left side of rear chassis crossmember. (Scheme 190) |
| Heated Seat Element (Driver Back) | In driver's seat back. (Scheme 211) |
| Heated Seat Element (Driver Cushion) | In driver's seat cushion. (Scheme 211) |
| Heated Seat Element (Passenger Back) | In passenger's seat back. (Scheme 212) |
| Heated Seat Element (Passenger Cushion) | In passenger's seat cushion. (Scheme 212) |
| Horn (Left) | Lower left front of vehicle. (Scheme 204) |
| Horn (Right) | Lower right front of vehicle. (Scheme 204) |
| Ignition Coil 1 (4.8L, 5.3L, 6.0L & 6.2L) | Upper left side of engine. (Scheme 192) |
| Ignition Coil 2 (4.8L, 5.3L, 6.0L & 6.2L) (6) | Upper right side of engine. (Scheme 191) |
| Ignition Coil 3 (4.8L, 5.3L, 6.0L & 6.2L) | Upper left side of engine. (Scheme 192) |
| Ignition Coil 4 (4.8L, 5.3L, 6.0L & 6.2L) (3) | Upper right side of engine. (Scheme 191) |
| Ignition Coil 5 (4.8L, 5.3L, 6.0L & 6.2L) | Upper left side of engine. (Scheme 192) |
| Ignition Coil 6 (4.8L, 5.3L, 6.0L & 6.2L) (2) | Upper right side of engine. (Scheme 191) |
| Ignition Coil 7 (4.8L, 5.3L, 6.0L & 6.2L) | Upper left side of engine. (Scheme 192) |
| Ignition Coil 8 (4.8L, 5.3L, 6.0L & 6.2L) (1) | Upper right side of engine. (Scheme 191) |
| Inflatable Restraint I/P Module | Top right side of dash. |
| Inflatable Restraint Roof Rail Module (Left) (Extended & Crew Cab) | Behind left side of headliner trim. (Scheme 201) |
| Inflatable Restraint Roof Rail Module (Left) (Regular Cab) | Behind left side of headliner trim. (Scheme 214) |
| Inflatable Restraint Roof Rail Module (Right) (Extended & Crew Cab) | Behind right side of headliner trim. (Scheme 201) |
| Inflatable Restraint Roof Rail Module (Right) (Regular Cab) | Behind right side of headliner trim. (Scheme 214) |
| Inflatable Restraint Side Impact Module Left/Right | Outer side of respective front seat back. |
| Inflatable Restraint Steering Wheel Module | In steering wheel. |
| Inflatable Restraint Steering Wheel Module Coil | Behind steering wheel. (Scheme 174) |
| Mobile Radio Blunt Cuts (10) | Under center console. (Scheme 283) |
| Noise Compensation Microphone (5) | Left side of center console. (Scheme 268) |
| Power Brake Booster (2) | Left rear of engine compartment. (Scheme 173) |
| Rearview Camera | Left of tailgate handle. |
| Remote Control Door Lock Receiver (RCDLR) | Top rear of passenger compartment. (Scheme 210) |
| Roof Mounted Beacon Blunt Cuts (TRW) (10) | In overhead console. (Scheme 270) |
| Seat Belt Pretensioner (Driver) (1) | On left "B" pillar. (Scheme 273) |
| Seat Belt Pretensioner (Passenger) (2) | On right "B" pillar. (Scheme 273) |
| Splice Pack (JX221) | In I/P harness, behind left side of dash. (Scheme 300) |
| Splice Pack (JX223) | In I/P extension harness, behind left side of dash. |
| Splice Pack (JX339) | Under front passenger's seat. (Scheme 302) |
| Trailer Connector | At rear of vehicle. (Scheme 190) |
| Valve Lifter Oil Manifold (VLOM) Assembly (11) | Below intake manifold. (Scheme 191) |
MISCELLANEOUS LOCATION
CONNECTORS
| Component | Location |
|---|---|
| X100 (Diesel) (Black, 18 Pin) | Left front corner of engine compartment. (Scheme 291) |
| X100 (Except Diesel) (Black, 8 Pin) | Left front corner of engine compartment. (Scheme 234) |
| X102 (Black, 8 Pin) | At clutch pedal brackets. (Scheme 303) |
| X103 (Diesel) (Black, 16 Pin) | Left side of engine compartment. (Scheme 291) |
| X103 (Except Diesel) (Black, 16 Pin) | Left side of engine compartment. (Scheme 234) |
| X106 (Diesel) (Black, 8 Pin) | Right front corner of engine compartment. (Scheme 291) |
| X106 (Except Diesel) (Black, 8 Pin) | Right front corner of engine compartment. (Scheme 234) |
| X107 (Gray, 40 Pin) (5) | Left rear of engine. (Scheme 263) |
| X108 (Black, 40 Pin) (4) | Left rear of engine. (Scheme 263) |
| X109 (-NQF/-NQH) (Black, 24 Pin) | Below underhood fuse block. (Scheme 230) |
| X109 (NQF/NQH) (Black, 40 Pin) (7) | Below underhood fuse block. (Scheme 238) |
| X110 (Black, 4 Pin) | Between first & second body mount. (Scheme 217) |
| X111 (Light Grey, 7 Pin) (2) | Above left engine rocker cover. (Scheme 280) |
| X112 (4.3L) (Black, 3 Pin) (10) | Right front of engine. (Scheme 235) |
| X112 (4.8L & 5.3L) (Black, 3 Pin) (3) | Lower front of engine. (Scheme 256) |
| X112 (6.0L & 6.2L) (Black, 5 Pin) (3) | Lower front of engine. (Scheme 256) |
| X113 (Diesel) (Black, 6 Pin) | Engine jumper harness to engine harness. |
| X113 (4.8L, 5.3L, 6.0L & 6.2L) (Light Grey, 7 Pin) | Above right engine rocker cover. (Scheme 237) |
| X115 (Except Hybrid) (Natural, 24 Pin) | Chassis harness to I/P harness, left side of chassis. (Scheme 248) |
| X115 (Hybrid) (Natural, 24 Pin) | Left rear of engine compartment. (Scheme 298) |
| X116 (Black, 1 Pin) | Battery positive harness to brake clutch harness. |
| X117 (Black, 4 Pin) | Fuel rail pressure sensor jumper harness to engine harness. |
| X120 (Black, 4 Pin) | Left side of engine. (Scheme 295) |
| X121 (Black, 1 Pin) | Battery negative harness to battery positive harness. |
| X122 (Black, 4 Pin) (5) | Right rear of engine compartment. (Scheme 251) |
| X123 (Black, 12 Pin) | Below under hood fuse block. (Scheme 230) |
| X124 (Black, 16 Pin) (7) | Outside of right front chassis frame. (Scheme 258) |
| X125 (Gray, 4 Pin) (1) | Outside of right front chassis frame. (Scheme 281) |
| X126 (Gray, 12 Pin) (8) | Left side of engine compartment. (Scheme 238) |
| X127 (Black, 2 Pin) (3) | Top front of engine. (Scheme 263) |
| X128 (3 Pin) | Top of engine. (Scheme 229) |
| X129 (Black, 16 Pin) | Left rear of engine compartment. (Scheme 298) |
| X131 (Black, 12 Pin) | Left front shock frame mount. |
| X150 (Black, 24 Pin) | Left side of engine. (Scheme 295) |
| X175 (MW7) (Gray, 20 Pin) (2) | Rear of engine. (Scheme 235) |
| X175 (M30, M70) (Gray, 20 Pin) (2) | Rear of engine. (Scheme 235) |
| X176 (Black, 24 Pin) | Right side of automatic transmission. (Scheme 297) |
| X200 (Yellow, 4 Pin) | Behind right kick panel. (Scheme 240) |
| X201 (Gray, 22 Pin) (1) | On steering column. (Scheme 284) |
| X202 (Black, 30 Pin) | Behind left kick panel. (Scheme 240) |
| X203 (Black, 8 Pin) (2) | Base of left "A" pillar. (Scheme 239) |
| X204 (Black, 12 Pin) (3) | Base of left "A" pillar. (Scheme 239) |
| X205 (Black, 12 Pin) | Left side of dash. |
| X205 (Black, 16 Pin) | Left side of dash. (Scheme 240) |
| X206 (Black, 8 Pin) (5) | Behind right side of dash. (Scheme 239) |
| X207 (Black, 1 Pin) | I/P harness to I/P harness. |
| X208 (Black, 5 Pin) | Left end of dash. (Scheme 301) |
| X211 (Black, 40 Pin) (8) | Under center console. (Scheme 239) |
| X212 (Except Hybrid) (Black, 16 Pin) (4) | Behind left side of dash. (Scheme 239) |
| X212 (Hybrid) (Black, 30 Pin) | Center of dash. (Scheme 299) |
| X214 (Black, 1 Pin) (7) | Behind right side of dash. (Scheme 283) |
| X215 (Black, 16 Pin) | Behind right kick panel. (Scheme 299) |
| X219 (Black, 1 Pin) (6) | Behind right side of dash. (Scheme 283) |
| X220 (Black, 8 Pin) (7) | Near left body mount. (Scheme 285) |
| X224 (Black, 3 Pin) | Brake clutch harness to beacon harness. |
| X225 (Black, 1 Pin) | Brake clutch harness to battery positive harness. |
| X226 (Black, 1 Pin) (11) | Under left side of dash. (Scheme 283) |
| X227 (Black, 2 Pin) | LED indicator harness to SPO theft harness. |
| X228 (Black, 1 Pin) | Beacon harness to chassis harness. |
| X240 (Black, 4 Pin) | On right side of instrument cluster. |
| X241 (Black, 3 Pin) | Right kick panel. |
| X275 (Yellow, 4 Pin) | Lower left side of dash, near steering column. (Scheme 242) |
| X276 (Light Green, 2 Pin) (2) | On steering column. (Scheme 284) |
| X277 (Light Green, 2 Pin) (4) | On steering column. (Scheme 284) |
| X300 (Diesel) (Black, 10 Pin) (1) | Left rear of transmission. (Scheme 258) |
| X300 (Hybrid) (Black, 12 Pin) | Left side of frame, forward of electronic brake control module. (Scheme 303) |
| X300 (4.3L) (Black, 8 Pin) | Left side of frame, in front of EBCM. (Scheme 236) |
| X303 (-AN3) (Black, 6 Pin) | Under driver's seat. (Scheme 242) |
| X303 (AN3) (Black, 30 Pin) | Under driver's seat. (Scheme 242) |
| X304 (Black, 16 Pin) | Front center of roof. (Scheme 247) |
| X305 (Black, 30 Pin) | Under driver's seat. (Scheme 242) |
| X306 (Black, 8 Pin) | Headliner harness to right "A" pillar harness. |
| X309 (Black, 8 Pin) | Near audio amplifier. (Scheme 245) |
| X313 (Black, 5 Pin) (9) | In overhead console. (Scheme 270) |
| X318 (Black, 3 Pin) | Headliner harness to CHMSL harness. (Scheme 247) |
| X319 (Black, 2 Pin) | Body harness to console harness. (Scheme 241) |
| X320 (Black, 4 Pin) | Right rear of cab. (Scheme 244) |
| X321 (Black, 3 Pin) | Body harness to headliner harness. (Scheme 243) |
| X324 (Black, 18 Pin) (4) | In driver's seat back. (Scheme 208) |
| X325 (Black, 6 Pin) (2) | In passenger's seat back. (Scheme 209) |
| X330 (Black, 16 Pin) | Under driver's seat. |
| X331 (Black, 12 Pin) | Under driver's seat. |
| X332 (Black, 8 Pin) | Under passenger's seat. |
| X333 (Black, 2 Pin) | Left side of dash. |
| X334 (Black, 2 Pin) | Left side of dash. |
| X350 (Black, 18 Pin) | Left rear of drive motor generator battery. (Scheme 301) |
| X371 (Black, 6 Pin) | Under driver's seat. |
| X372 (Black, 6 Pin) | Under passenger's seat. |
| X373 (Black, 6 Pin) | Under driver's seat. |
| X374 (Black, 6 Pin) | Under passenger's seat. |
| X408 (Black, 8 Pin) | Left rear corner of vehicle. (Scheme 248) |
| X414 (Black, 7 Pin) (1) | Left rear of frame. (Scheme 277) |
| X415 (Light Gray, 2 Pin) (1) | Under left rear of cargo box. (Scheme 288) |
| X416 (Black, 2 Pin) (8) | Under left rear of cargo box. (Scheme 288) |
| X500 (Black, 10 Pin) | Behind left kick panel. (Scheme 242) |
| X501 (Black, 10 Pin) | Behind left kick panel. (Scheme 242) |
| X502 (Black, 2 Pin) | Behind left kick panel. (Scheme 246) |
| X600 (Black, 10 Pin) | Behind right kick panel. (Scheme 242) |
| X601 (Black, 2 Pin) | Behind right kick panel. (Scheme 242) |
| X700 (Crew Cab) (Black, 16 Pin) | In left "B" pillar. (Scheme 246) |
| X700 (Extended Cab) (Black, 12 Pin) | In left "B" pillar. (Scheme 243) |
| X800 (Crew Cab) (Black, 16 Pin) | In right "B" pillar. (Scheme 246) |
| X800 (Extended Cab) (Black, 12 Pin) | In right "B" pillar. (Scheme 244) |
CONNECTORS LOCATION
GROUNDS
| Component | Location |
|---|---|
| G100 (Diesel) | Left front corner of engine compartment. (Scheme 291) |
| G100 (Except Diesel) | On lower left radiator support. (Scheme 221) |
| G101 (Diesel) | Right front corner of engine compartment. (Scheme 291) |
| G101 (Except Diesel) | On lower right radiator support. (Scheme 221) |
| G102 (Diesel) | Lower left front of engine. (Scheme 290) |
| G102 (Except Diesel) | On lower left front of engine. (Scheme 222) |
| G103 | On front of right cylinder head. (Scheme 223) |
| G104 | Front of left cylinder head. (Scheme 224) |
| G106 (Diesel) | Lower left front of engine. (Scheme 290) |
| G106 (4.3L) (3) | Right rear of engine. (Scheme 255) |
| G107 | Top left rear of engine. (Scheme 224) |
| G108 | On left side of firewall. (Scheme 224) |
| G200 | On right front corner of HVAC module. (Scheme 202) |
| G201 | Upper left corner of dash. (Scheme 225) |
| G300 | Below driver's door, on body mount. (Scheme 226) |
| G301 | Below left side of passenger's seat. (Scheme 227) |
| G302 | Below right side of passenger's seat. (Scheme 227) |
| G303 | On lower left "B" pillar. (Scheme 227) |
| G304 | On lower right "B" pillar. (Scheme 227) |
| G307 | At right rear corner of passenger compartment. (Scheme 246) |
| G311 (Hybrid) | Inside drive motor generator battery. |
| G312 (Hybrid) | Inside drive motor generator battery. |
| G401 | On left rear body mount. (Scheme 248) |
| G404 | Mounted on fuel filler neck. |
GROUNDS LOCATION
SPLICES
| Component | Location |
|---|---|
| J100 (Diesel) | In forward lamp harness, 7 cm from ambient air temperature sensor breakout. (Scheme 291) |
| J100 (Except Diesel) | In forward lamp harness, 7 cm from ambient air temperature sensor breakout. (Scheme 234) |
| J101 (Diesel) | In forward lamp harness. (Scheme 291) |
| J101 (Except Diesel) | In forward lamp harness. (Scheme 234) |
| J102 (GMC) | In left headlamp harness. |
| J103 (GMC) | In right headlamp harness. |
| J104 (Diesel) (1) | In engine harness, 5 cm from engine control module connector breakout. (Scheme 282) |
| J104 (Hybrid) | In engine harness, approximately 5 cm from automatic transmission auxiliary fluid pump control module breakout. (Scheme 296) |
| J105 (Hybrid) | In engine harness, approximately 18.5 cm from breakout to mass air flow/intake air temperature sensor. (Scheme 296) |
| J105 (4.3L) (4) | In engine harness, 12 cm from ECT sensor breakout. (Scheme 235) |
| J106 (Hybrid) | In engine harness, approximately 8 cm from engine coolant temperature sensor breakout. (Scheme 296) |
| J106 (4.3L) (5) | In engine harness, 23 cm from MAP sensor breakout. (Scheme 235) |
| J106 (4.8L, 5.3L, 6.0L & 6.2L) | In engine harness, 23 cm from MAP sensor breakout. (Scheme 237) |
| J107 | In ignition coil jumper harness, between ignition coils 5 & 7. |
| J108 | In ignition coil jumper harness, between ignition coils 5 & 7. |
| J109 | In ignition coil jumper harness, 5 cm from X111 breakout. |
| J110 | In ignition coil jumper harness, between ignition coils 4 & 2. |
| J111 | In ignition coil jumper harness, between ignition coils 4 & 2. |
| J112 | In ignition coil jumper harness, 5 cm from X111 breakout. |
| J113 (2) | In I/P harness, in X103 breakout 7 cm from main harness assembly. (Scheme 238) |
| J116 | In automatic transmission harness, 12 cm from 1-2 shift solenoid valve breakout. |
| J120 | In engine harness, approximately 20 cm from engine coolant temperature sensor breakout. (Scheme 296) |
| J121 | In engine harness, approximately 14 cm from engine coolant temperature sensor breakout. (Scheme 296) |
| J122 | In engine harness, approximately 5 cm from automatic transmission auxiliary fluid pump control module breakout. (Scheme 296) |
| J123 | In engine harness, approximately 6.5 cm from breakouts to engine coolant temperature sensor. (Scheme 296) |
| J124 | In engine harness, approximately 7.5 cm from X109. (Scheme 296) |
| J125 | In transmission harness. |
| J127 | In PTO jumper harness. |
| J128 (3) | In engine harness. (Scheme 235) |
| J129 | In PTO jumper harness. |
| J130 (6) | In engine harness. (Scheme 235) |
| J132 (4) | In engine chassis harness. (Scheme 282) |
| J133 (5) | In engine chassis harness. (Scheme 282) |
| J134 (Diesel) | In engine harness. |
| J135 (Diesel) | In engine harness. |
| J136 (Diesel) | In engine harness. |
| J137 (Diesel) | In engine harness. |
| J138 | In PTO jumper harness. |
| J139 | In PTO jumper harness. |
| J140 | In PTO jumper harness. |
| J141 | In PTO jumper harness. |
| J142 | In PTO jumper harness. |
| J143 | In transmission harness. |
| J144 | In transmission harness. |
| J145 | In auxiliary battery harness. |
| J150 | Chassis harness, 7 cm into X115 breakout. |
| J171 (Diesel) | In engine harness. |
| J175 (Diesel) | In engine harness. |
| J200 | In I/P harness, 14 cm from left I/P junction block breakout. (Scheme 240) |
| J201 | In I/P harness, in headlight & dimmer switch breakout. (Scheme 240) |
| J203 | In I/P harness, 13 cm from radio connector breakout. (Scheme 240) |
| J204 | In instrument panel harness, 19 cm after radio connector breakout. |
| J206 (Base) | In I/P harness, near X200 breakout. (Scheme 240) |
| J206 (Hybrid) | In I/P harness, 14.5 cm from X200 breakout. (Scheme 300) |
| J207 | In instrument panel harness, in transfer case shift control module connector breakout. (Scheme 240) |
| J209 (5) | In fuse block jumper harness. (Scheme 283) |
| J210 (8) | In fuse block jumper harness. (Scheme 283) |
| J211 (9) | In fuse block jumper harness. (Scheme 283) |
| J212 | In steering column harness. |
| J213 | In steering column harness. |
| J214 | In steering wheel harness, 4 cm from inflatable restraint steering wheel module coil X2. |
| J215 | In steering column harness. |
| J216 | In steering column harness. |
| J217 | In steering wheel harness, 9 cm from inflatable restraint steering wheel module coil X2. |
| J218 | In steering wheel harness, 9 cm from inflatable restraint steering wheel module coil X2. |
| J219 (4) | In fuse block jumper harness. (Scheme 283) |
| J220 | In fuse block jumper harness. |
| J222 | In instrument panel harness. (Scheme 300) |
| J223 (1) | In steering wheel harness. (Scheme 239) |
| J224 (3) | In fuse block jumper harness. (Scheme 283) |
| J225 | In instrument panel harness. (Scheme 300) |
| J226 | In instrument panel harness. (Scheme 300) |
| J227 | In SPO theft harness. |
| J228 | In SPO theft harness. |
| J229 | In SPO theft harness. |
| J231 | In instrument panel harness. (Scheme 300) |
| J240 | In instrument panel harness. (Scheme 300) |
| J241 | In instrument panel harness. (Scheme 300) |
| J242 | In HVAC harness. |
| J280 | Instrument panel harness, 6.5 cm from X205 breakout. |
| J281 | Instrument panel harness, 10 cm into X115 breakout. |
| J300 | In chassis harness, 15 cm from G300 breakout. (Scheme 248) |
| J301 | In chassis harness. (Scheme 304) |
| J302 | In body harness, 22 cm from G301 breakout. (Scheme 244) |
| J303 | In body harness, 30 cm from G301 breakout. (Scheme 242) |
| J304 | In body harness, 14 cm from passenger seat in-line connector breakout. (Scheme 242) |
| J305 (-AG1) | In driver seat harness, 12.5 cm from driver seat belt buckle. |
| J305 (+AN3) | In driver seat harness, 4 cm in X303 breakout. |
| J306 | In driver seat harness, 20 cm from X303. |
| J309 | In driver seat harness, 20 cm from X303. |
| J310 | In driver seat harness, 5 cm from driver seat adjuster assembly. |
| J311 (W/Heated Seats) | Heated driver seat harness, 10 cm from heated seat elements breakout. |
| J311 (W/O Heated Seats) | In driver seat harness, 5 cm from memory seat module X4 breakout. |
| J312 | In driver seat harness, 5 cm from driver seat belt buckle. |
| J314 | In passenger seat harness, 20 cm from X305. |
| J316 (W/Heated Seats) | Heated passenger seat harness, 10 cm from heated seat elements breakout. |
| J316 (W/O Heated Seats) | In passenger seat harness, 5 cm from X305 breakout. |
| J321 | In chassis harness. (Scheme 304) |
| J322 (7) | In overhead console harness, 5 cm from X304 breakout. (Scheme 270) |
| J323 (8) | In overhead console harness, 4 cm from X304 breakout. (Scheme 270) |
| J324 | In sunroof harness, 3 cm from sunroof switch breakout. |
| J325 | In chassis harness. (Scheme 304) |
| J327 | In headliner harness, 15 cm from front inside air temperature sensor breakout. (Scheme 247) |
| J328 | In headliner harness, 5 cm from front inside air temperature sensor breakout. (Scheme 247) |
| J330 | In console harness, 12 cm from audio amplifier breakout. |
| J331 (Except Hybrid) | In chassis harness. (Scheme 248) |
| J331 (Hybrid) | In chassis harness. (Scheme 304) |
| J334 | In right "A" pillar harness. |
| J335 | In sliding rear window jumper harness. (Scheme 249) |
| J336 | In sliding rear window jumper harness. (Scheme 249) |
| J338 (Hybrid) | In chassis harness. (Scheme 304) |
| J338 (4.3L) | In chassis harness. (Scheme 248) |
| J340 | In driver seat jumper harness, 5 cm in X324 breakout. |
| J341 | In driver seat jumper harness, 10 cm into X324 breakout. |
| J342 | In seat position sensor harness. |
| J343 | In seat position sensor harness. |
| J350 | Heated seat body harness, 5 cm into X332 breakout. |
| J351 | Heated seat body harness, 5 cm into heated seat switches breakout. |
| J352 | Heated seat body harness, 10 cm into heated seat switches breakout. |
| J403 | License lamp harness, 28 cm from left rear object sensors. (Scheme 250) |
| J404 | License lamp harness, 20 cm from right rear object sensors. (Scheme 250) |
| J410 (UY2) (10) | In camper harness, 232.5 cm from X414 breakout. (Scheme 277) |
| J410 (823) (10) | In camper harness, 7 cm from back-up alarm breakout. (Scheme 277) |
| J411 | In chassis harness. (Scheme 304) |
| J412 (2) | In right hip lamp harness, 7.5 cm from right rear clearance lamp breakout. (Scheme 288) |
| J413 (7) | In left hip lamp harness, 17.5 cm from left rear clearance lamp breakout. (Scheme 288) |
| J414 (8) | In camper harness. (Scheme 277) |
| J415 (4) | In camper harness, 109.5 cm from X414 breakout. (Scheme 277) |
| J416 (6) | In camper harness, 129.5 cm from X414 breakout. (Scheme 277) |
| J418 (6) | In left hip lamp harness, 7.5 cm from left rear clearance lamp breakout. (Scheme 288) |
| J419 (3) | In right hip lamp harness, 17.5 cm from right rear clearance lamp breakout. (Scheme 288) |
| J420 | In camper harness, 59.5 cm from X414 breakout. (Scheme 248) |
| J421 (9) | In camper harness, 205 cm from X414 breakout. (Scheme 277) |
| J422 | In chassis harness. (Scheme 304) |
| J423 (Except Hybrid) (4) | In chassis harness. (Scheme 285) |
| J423 (Hybrid) | In chassis harness. (Scheme 304) |
| J435 | Chassis harness, 17 cm into rearview camera image display module breakout. |
| J500 | In driver's outside rearview mirror jumper. |
| J501 | In driver's outside rearview mirror jumper. |
| J502 (3) | In left front door harness. (Scheme 286) |
| J600 | In passenger's outside rearview mirror jumper. |
| J601 | In passenger's outside rearview mirror jumper. |
| J602 | In right front door harness. |
| J603 (6) | In right front door harness. (Scheme 287) |
| J604 (1) | In right front door harness. (Scheme 287) |
SPLICES LOCATION
COMPONENT LOCATION GRAPHICS
Note. Figures may show multiple component locations. Refer to appropriate table for proper figure references.
