BUZZERS, RELAYS & TIMERS
| Component | Location |
|---|---|
| A/C COMP Relay | In underhood fuse block. |
| Automatic Level Control Compressor Relay | Near underhood fuse block. |
| Auxiliary Battery Relay | Right rear of engine compartment. (Scheme 5) |
| DEFOG Relay | In body relay block. |
| DRL Relay | In underhood fuse block. |
| DRIVER UNLOCK Relay | In left I/P fuse block. |
| Electronic Adjustable Pedals Relay | Behind lower left of dash. |
| FOG LP Relay | In underhood fuse block. |
| Fuel Pump Relay (Secondary) (W/Dual Tanks) | At left side of engine compartment, on underhood fuse block bracket. |
| HDLP-HI Relay | In underhood fuse block. |
| HDLP-LOW Relay | In underhood fuse block. |
| HORN Relay | In underhood fuse block. |
| IGN 1 Relay | In underhood fuse block. |
| LOCK Relay | In left I/P fuse block. |
| PARK LP Relay | In underhood fuse block. |
| PRIME F/PMP Relay | In underhood fuse block. |
| Roof Beacon Relay | At lower left "B" pillar. |
| RR FOG LP Relay | In left I/P fuse block. |
| STARTER Relay | In underhood fuse block. |
| Sun Roof Relay | At lower side of right "A" pillar. |
| UNLOCK Relay | In left I/P fuse block. |
| W/S WASH Relay | In underhood fuse block. |
BUZZERS, RELAYS & TIMERS LOCATION
CIRCUIT PROTECTION DEVICES
| Component | Location |
|---|---|
| Body Relay Block | Under left side of dash, near kick panel. |
| I/P Fuse Block | Behind lower left side of dash. |
| Rear Lamps Junction Block | On rear inner side of right frame rail. |
| Right I/P Fuse Block | On lower right side of dash. |
| Underhood Fuse Block | At left side of engine compartment, near battery. |
CIRCUIT PROTECTION DEVICES LOCATION
CONTROL UNITS
| Component | Location |
|---|---|
| Blower Motor Control Processor | Behind right side of dash. |
| Blower Motor Control Processor (Auxiliary) | Behind right rear quarterpanel, below auxiliary blower motor. |
| Body Control Module | On lower left side of dash, below steering column. |
| Driver Door Module | Behind left front door trim panel, near handle. |
| Electronic Brake Control Module | On left side of inner frame. |
| Electronic Suspension Control Module | Behind right "C" pillar trim panel. |
| FM Impedance Matching Module | In right rear quarter glass. |
| Front Passenger Door Module | Behind right front door trim, near handle. |
| Heated Seat Module (Left Rear) | Under left rear seat. |
| Heated Seat Module (Right Rear) | Under right rear seat. |
| HVAC Control Module | Behind center of dash. |
| HVAC Control Module (Auxiliary) | Mounted to top of auxiliary HVAC assembly. |
| Inflatable Restraint Sensing & Diagnostic Module | Under left front seat. |
| Memory Seat Module | Underside of left front seat. |
| Powertrain Control Module (PCM) | At left front side of engine compartment. (Scheme 6) |
| Radio Antenna Module | Above right rear quarter glass, in headliner. |
| Rear Object Sensor Control Module | Under 2nd row seat. |
| Rear Wheel Steering Control Module | Below vehicle, between spare tire & rear bumper. |
| Rear Window Wiper Module | In liftgate, below rear glass. |
| Sun Roof Module | Above front of headliner. |
| Throttle Actuator Control Module | At left rear side of engine compartment, near underhood fuse block. (Scheme 7) |
| Transfer Case Shift Control Module | Left side of I/P area, behind knee bolster, above parking brake assembly. |
| Vehicle Communication Interface Module | Behind right side of dash. |
| Windshield Wiper Motor Module | Under cowl, near wiper arms. |
CONTROL UNITS LOCATION
MOTORS
| Component | Location |
|---|---|
| Air Temperature Actuator (Auxiliary) | Near top center of rear HVAC module assembly. |
| Air Temperature Actuator (Left) | Behind dash, at bottom of HVAC module. |
| Air Temperature Actuator (Right) | Behind dash, at top of HVAC module. |
| Auxiliary Temperature Actuator | Mounted to auxiliary HVAC box, near blower motor. |
| Blower Motor | Under right side of dash. |
| Blower Motor (Auxiliary) | Behind right rear quarterpanel. |
| Door Lock Actuator (Cargo/Liftgate) | Part of cargo/liftgate latch assembly. |
| Front Axle Actuator | On right center of front axle housing. |
| Fuel Pump & Sender Assembly (Primary) | In primary fuel tank. |
| Fuel Pump & Sender Assembly (Secondary) (W/Dual Tanks) | In secondary fuel tank. |
| Mode Actuator | On left side of HVAC module. |
| Mode Actuator (Auxiliary) | Behind right rear quarter trim panel, at front of auxiliary HVAC module. |
| Recirculation Actuator | At upper right of HVAC module. |
| Sun Roof Motor | Part of sun roof module. |
| Windshield Washer Fluid Pump | In washer fluid reservoir. |
MOTORS LOCATION
SENDING UNITS & SENSORS
| Component | Location |
|---|---|
| Accelerator Pedal Position Sensor | Behind accelerator pedal. |
| A/C Refrigerant Pressure Sensor | In high side pressure line, near compressor. |
| Air Temperature Sensor Assembly (Inside) | In headliner, above driver. |
| Air Temperature Sensor (Lower Auxiliary) | Behind right "C" pillar, at front of HVAC. |
| Air Temperature Sensor (Lower Left) | Behind dash, at left end of HVAC module. |
| Air Temperature Sensor (Lower Right) | Behind dash, at bottom of HVAC module. |
| Air Temperature Sensor (Outside) | Mounted to radiator core support. |
| Air Temperature Sensor (Upper Auxiliary) | In rear auxiliary HVAC upper duct, near "C" pillar. |
| Air Temperature Sensor (Upper Left) | At center of dash, below dash trim panel. |
| Air Temperature Sensor (Upper Right) | At center of dash, below dash trim panel. |
| Ambient Air Temperature Sensor | In right front bumper filler assembly. |
| Ambient Light Sensor | On top center of dash. |
| Automatic Transmission Fluid Temperature Sensor | In automatic transmission. |
| Automatic Transmission Input Shaft Speed Sensor | In automatic transmission. |
| Camshaft Position Sensor (Except 8.1L) | On top center rear of engine. |
| Camshaft Position Sensor (8.1L VIN G) | On left side of timing cover. |
| Crankshaft Position (CKP) Sensor (4.8L VIN V) | On lower right rear of engine block. (Scheme 3) |
| Crankshaft Position (CKP) Sensor (5.3L VIN T) | On lower right rear of engine block. (Scheme 3) |
| Crankshaft Position (CKP) Sensor (6.0L VIN U) | On lower right rear of engine block. (Scheme 3) |
| Crankshaft Position (CKP) Sensor (8.1L VIN G) | On top left rear of engine block, near bellhousing. (Scheme 4) |
| Engine Coolant Temperature (ECT) Sensor (4.8L VIN V) | On front side of left cylinder head. (Scheme 1) |
| Engine Coolant Temperature (ECT) Sensor (5.3L VIN T) | On front side of left cylinder head. (Scheme 1) |
| Engine Coolant Temperature (ECT) Sensor (6.0L VIN U) | On front side of left cylinder head. (Scheme 1) |
| Engine Coolant Temperature (ECT) Sensor (8.1L VIN G) | At middle of right cylinder head. |
| Engine Oil Pressure (EOP) Sensor (4.8L VIN V) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (5.3L VIN T) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (6.0L VIN U) | On top rear of engine. |
| Engine Oil Pressure (EOP) Sensor (8.1L VIN G) | On top rear of engine. (Scheme 4) |
| Fuel Composition Sensor (Except 8.1L) | Inside left frame rail, forward of electronic brake control module. |
| Fuel Level Sensor (Primary) | In primary fuel tank. |
| Fuel Level Sensor (Secondary) | In secondary fuel tank. |
| Fuel Pump & Sender Assembly (Primary) | In primary fuel tank. |
| Fuel Pump & Sender Assembly (Secondary) (W/Dual Tanks) | In secondary fuel tank. |
| Fuel Tank Pressure Sensor | On fuel tank, integral to fuel pump & sender assembly. |
| Heated Oxygen Sensor Bank No. 1 Sensor No. 1 | In left exhaust pipe, before catalytic converter. |
| Heated Oxygen Sensor Bank No. 1 Sensor No. 2 | In left exhaust pipe, after catalytic converter. |
| Heated Oxygen Sensor Bank No. 2 Sensor No. 1 | In right exhaust pipe, before catalytic converter. |
| Heated Oxygen Sensor Bank No. 2 Sensor No. 2 | In right exhaust pipe, after catalytic converter. |
| Inflatable Restraint Electronic Front End Sensor (Left) | On left front of vehicle, by core support. |
| Inflatable Restraint Electronic Front End Sensor (Right) | On right front of vehicle, by core support. |
| Inflatable Restraint Side Impact Sensor (Left) | Mounted inside driver door, behind trim panel. |
| Inflatable Restraint Side Impact Sensor (Right) | Mounted inside passenger door, behind trim panel. |
| Inside Auxiliary Air Temperature Sensor Assembly | In headliner, near left "C" pillar. |
| Intake Air Temperature (IAT)/Mass Airflow (MAF) Sensor | In air induction tube. (Scheme 5) |
| Knock Sensors (KS) (4.8L VIN V) | In valley, under intake manifold. (Scheme 2) |
| Knock Sensors (KS) (5.3L VIN T) | In valley, under intake manifold. (Scheme 2) |
| Knock Sensors (KS) (6.0L VIN U) | In valley, under intake manifold. (Scheme 2) |
| Knock Sensor Bank No.1 (8.1L VIN G) | On left side of engine, forward of oil filter. |
| Knock Sensor Bank No. 2 (8.1L VIN G) | On right side of engine, forward of starter. |
| Manifold Absolute Pressure (MAP) Sensor (4.8L VIN V) | On top rear of engine, on intake manifold. (Scheme 1) |
| Manifold Absolute Pressure (MAP) Sensor (5.3L VIN T) | On top rear of engine, on intake manifold. (Scheme 1) |
| Manifold Absolute Pressure (MAP) Sensor (6.0L VIN U) | On top rear of engine, on intake manifold. (Scheme 1) |
| Manifold Absolute Pressure (MAP) Sensor (8.1L VIN G) | On top rear of engine, on intake manifold. |
| Object Sensor (Left Rear Corner) | On left side of rear bumper. |
| Object Sensor (Left Rear Middle) | On left middle of rear bumper. |
| Object Sensor (Right Rear Corner) | On right side of rear bumper. |
| Object Sensor (Right Rear Middle) | On right middle of rear bumper. |
| Propshaft Speed Sensor (Front) | On left front side of transfer case. |
| Propshaft Speed Sensor (Rear) | On transfer case extension housing. |
| Steering Wheel Speed/Position Sensor | Near base of steering column. |
| Sunload Sensor | On center of dash, near defrost deflectors. |
| Suspension Position Sensor (Left Front) | On control arm, behind left front shock. |
| Suspension Position Sensor (Left Rear) | Behind left rear shock, near frame rail. |
| Suspension Position Sensor (Right Front) | On control arm, behind right front shock. |
| Suspension Position Sensor (Right Rear) | Behind right rear shock, near frame rail. |
| Vehicle Speed Sensor | On rear of transmission. |
| Washer Fluid Level Sensor | In washer fluid reservoir. |
| Wheel Speed Sensors (4) | On respective wheel hub assembly. |
| Yaw & Lateral Acceleration Sensor | Under right front seat. |
SENDING UNITS & SENSORS LOCATION
SOLENOIDS & SOLENOID VALVES
| Component | Location |
|---|---|
| Evaporative Emissions (EVAP) Canister Purge Solenoid (4.8L VIN V) | Behind throttle body, near front of engine. (Scheme 1) |
| Evaporative Emissions (EVAP) Canister Purge Solenoid (5.3L VIN T) | Behind throttle body, near front of engine. (Scheme 1) |
| Evaporative Emissions (EVAP) Canister Purge Solenoid (6.0L VIN U) | Behind throttle body, near front of engine. (Scheme 1) |
| Evaporative Emissions (EVAP) Canister Purge Solenoid (8.1L VIN G) | To left of throttle body, near front of engine. |
| Evaporative Emissions Canister Vent Solenoid | On right front side of fuel tank. |
| Exhaust Gas Recirculation (EGR) Valve (8.1L VIN G) | On top rear center of engine. (Scheme 4) |
| Pressure Control Solenoid Valve | In automatic transmission. |
| Shock Absorber Solenoid (Left Front) | Part of left front shock. |
| Shock Absorber Solenoid (Left Rear) | Part of left rear shock. |
| Shock Absorber Solenoid (Right Front) | Part of right front shock. |
| Shock Absorber Solenoid (Right Rear) | Part of right rear shock. |
| Torque Converter Clutch Pulse Width Modulation Solenoid Valve | In automatic transmission. |
| Torque Converter Clutch Solenoid Valve | In automatic transmission. |
SOLENOIDS & SOLENOID VALVES LOCATION
SWITCHES
| Component | Location |
|---|---|
| A/C Low Pressure Switch | On right side of accumulator. (Scheme 5) |
| Automatic Transmission Fluid Pressure Manual Valve Position Switch | In automatic transmission. |
| Brake Fluid Level Switch | On left side of brake fluid reservoir. |
| Brake Pressure Differential Switch | Mounted to power brake booster, below master cylinder. |
| Coolant Level Switch | In coolant reservoir. |
| Engine Oil Level Switch | On lower right side of oil pan. |
| Park Brake Switch | Part of park brake assembly. |
| Park/Neutral Position Switch | On left side of transmission. |
| Stoplamp Switch | On top of brake pedal bracket. |
SWITCHES LOCATION
MISCELLANEOUS
| Component | Location |
|---|---|
| Audio Amplifier | Under center console. |
| Blower Motor Resistor Assembly (Auxiliary) | Mounted to auxiliary HVAC box, below blower motor. |
| Data Link Connector | Under left side of dash, below steering column. |
| Ignition Coils | On top of left & right valve covers. |
MISCELLANEOUS LOCATION
CONNECTORS
| Component | Location |
|---|---|
| C100 (Black, 16 Pin) | Below underhood fuse block. |
| C102 (Black, 10 Pin) | Near underhood fuse block. |
| C104 (Black, 12 Pin) | At front side of underhood fuse block. |
| C114 (Black, 10 Pin) | At front side of underhood fuse block. |
| C115 (Black, 24 Pin) | Behind underhood fuse block. |
| C125 (Light Gray, 8 Pin) | On radiator support. |
| C127 (Light Gray, 8 Pin) | On radiator support. |
| C148 (Light Gray, 8 Pin) | On top left side of engine. |
| C149 (Light Gray, 8 Pin) | On top right side of engine. |
| C150 (Black, 4 Pin) | On left inner fender. |
| C151 (Black, 12 Pin) | Behind underhood fuse block. |
| C152 (Natural, 12 Pin) | Below underhood fuse block. |
| C153 (Black, 3 Pin) | Attached to underhood fuse block mounting bracket. |
| C154 (Black, 3 Pin) | Near underhood fuse block. |
| C155 (Black, 10 Pin) | Near left top front of engine. |
| C198 (Black, 1 Pin) | Near underhood fuse block. |
| C201 (Black, 32 Pin) | On steering column. |
| C202 (Black, 18 Pin) | Behind top of dash. |
| C203 (Black, 3 Pin) | Near left I/P fuse block. |
| C206 (Light Gray, 22 Pin) | Behind left kick panel. |
| C209 (Black, 16 Pin) | Behind left kick panel. |
| C210 (Black, 2 Pin) | Brake/clutch jumper harness to SEO jumper harness. |
| C214 (Black, 16 Pin) | Behind upper left side of dash. |
| C220 (Black, 24 Pin) | Behind center of dash. |
| C221 (Yellow, 4 Pin) | Behind left kick panel. |
| C222 (Yellow, 4 Pin) | Behind right kick panel. |
| C249 (Black, 4 Pin) | Behind center of dash. |
| C250 (Gray, 6 Pin) | Behind left side of dash. |
| C305 (Black, 16 Pin) | Under left front seat. |
| C306 (Black, 40 Pin) | Under front floor console. |
| C310 (Natural, 17 Pin) | Behind left "B" pillar trim panel. |
| C312 (Blue, 8 Pin) | In right rear of vehicle. |
| C313 (Black, 3 Pin) | Behind left kick panel. |
| C315 (Black, 3 Pin) | Behind left kick panel. |
| C320 (Gray, 13 Pin) | Under left front seat. |
| C321 (Light Blue, 24 Pin) | Under left front seat. |
| C322 (Natural, 10 Pin) | Under left front seat. |
| C323 (Black, 6 Pin) | Under left front seat. |
| C324 (Black, 8 Pin) | Under left front seat. |
| C325 (Gray, 6 Pin) | Under left front seat. |
| C326 (Gray, 6 Pin) | Under right front seat. |
| C329 (Black, 4 Pin) | Under right front seat. |
| C350 (Black, 2 Pin) | At top of transfer case. |
| C370 (Black, 14 Pin) | Below center console. |
| C388 (Black, 6 Pin) | Under right front seat. |
| C390 (Black, 4 Pin) | Body harness to center sail harness. |
| C396 (Natural, 17 Pin) | Behind right "B" pillar trim panel. |
| C397 (Black, 6 Pin) | Behind right rear quarterpanel. |
| C399 (Black, 16 Pin) | Under right front seat. |
| C402 (Gray, 7 Pin) | Near left rear frame rail. |
| C410 (Black, 2 Pin) | At right rear of vehicle. |
| C411 (Black, 2 Pin) | At left rear of vehicle. |
| C450 (Black, 38 Pin) | At right rear of vehicle. |
| C499 (Gray, 12 Pin) | Behind right quarterpanel, near "D" pillar. |
| C900 (Black, 3 Pin) | In rear liftgate. |
| C901 (Black, 8 Pin) | In rear liftgate. |
CONNECTORS LOCATION
GROUNDS
| Component | Location |
|---|---|
| G100 | On left front body mount. |
| G102 (4.8L VIN V) | On left side of engine block. (Scheme 1) |
| G102 (5.3L VIN T) | On left side of engine block. (Scheme 1) |
| G102 (6.0L VIN U) | On left side of engine block. (Scheme 1) |
| G102 (8.1L VIN G) | On left side of engine block. |
| G103 | On right rear of engine block. |
| G104 | On left rear of engine block. |
| G105 | On lower left front of engine block. |
| G106 | On right front of engine block. |
| G107 | Engine ground strap. |
| G110 | On left front body mount. |
| G200 | Near right "A" pillar. |
| G203 | Near left "A" pillar. |
| G302 | On left rear body mount. |
| G304 | Under right front seat. |
| G305 | On left "B" pillar. |
| G306 | On right "B" pillar. |
| G401 | On left rear body mount. |
| G402 | Near rear bumper. |
| G403 | On left rear body mount. |
| G410 | Behind right rear quarterpanel. |
GROUNDS LOCATION
SPLICES
| Component | Location |
|---|---|
| SP205 | Behind left I/P fuse block. |
| SP206 | On left "B" pillar. |
| SP207 | Behind left kick panel. |
| SP410A | Behind right rear quarterpanel. |
| SP410B | Behind right rear quarterpanel. |
| S100 | In forward lamp harness. |
| S101 | In forward lamp harness. |
| S102 | In engine harness. |
| S103 | In engine harness. |
| S104 | In engine harness. |
| S107 | In forward lamp harness. |
| S110 | In engine harness. |
| S112 | In chassis harness. |
| S150 | In chassis harness. |
| S151 | In left engine ignition coil jumper harness. |
| S152 | In left engine ignition coil jumper harness. |
| S153 | In right engine ignition coil jumper harness. |
| S154 | In right engine ignition coil jumper harness. |
| S156 | In engine harness. |
| S157 | In right engine ignition coil jumper harness. |
| S159 | In left engine ignition coil jumper harness. |
| S160 | In right engine ignition coil jumper harness. |
| S200 | In roof marker harness. |
| S201 | In roof marker harness. |
| S202 | In I/P harness. |
| S205 | In I/P harness. |
| S207 | In headliner harness. |
| S208 | In roof marker harness. |
| S210 | In I/P harness. |
| S211 | In I/P harness. |
| S212 | In I/P harness. |
| S213 | In I/P harness. |
| S214 | In I/P harness. |
| S216 | In steering column harness. |
| S217 | In steering column harness. |
| S218 | In I/P harness. |
| S240 | In steering column harness. |
| S241 | In steering column harness. |
| S303 | In console harness. |
| S307 | In console harness. |
| S308 | In body harness. |
| S309 | In driver seat jumper harness. |
| S310 | In driver seat jumper harness. |
| S311 | In driver seat harness. |
| S312 | In chassis harness. |
| S313 | In chassis harness. |
| S314 | In driver seat jumper harness. |
| S315 | In driver seat jumper harness. |
| S319 | In body harness. |
| S321 | In headliner harness. |
| S322 | In left rear heated seat harness. |
| S333 | In console harness. |
| S335 | In I/P harness. |
| S340 | In roof marker harness. |
| S351 | In headliner harness. |
| S389 | In right rear heated seat harness. |
| S408 | In left rear taillamp harness. |
| S412 | In left rear taillamp harness. |
| S413 | In right rear taillamp harness. |
| S423 | In license lamp harness. |
| S424 | In license lamp harness. |
| S480 | In right rear taillamp harness. |
| S500 | In left front door harness. |
| S601 | In front passenger door harness. |
| S710 | In left rear door harness. |
| S810 | In right rear door harness. |
| S901 | In liftgate harness. |
| S902 | In liftgate harness. |
| S903 | In right hip lamp harness. |
| S904 | In right hip lamp harness. |
| S905 | In left hip lamp harness. |
| S907 | In license lamp harness. |
| S910 | In liftgate harness. |
| S911 | In liftgate harness. |
SPLICES LOCATION
COMPONENT LOCATION GRAPHICS
Note. Figures may show multiple component locations. Refer to appropriate table for proper figure references.
