Name | Location | Locator View | Connector End View |
|---|---|---|---|
1-2 Shift Solenoid (1-2 SS) Valve Assembly | Inside the automatic transmission assembly | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60-E Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
2-3 Shift Solenoid (2-3 SS) Valve Assembly | Inside the automatic transmission assembly | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60-E Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
3-2 Shift Solenoid (3-2 SS) Valve Assembly | Inside the automatic transmission assembly | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E |
A/C Automatic Recirculating Switch | In the air conditioning (A/C) muffler hose assembly, close to the condenser. | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
A/C Compressor | 4.8L, 5.3L, 6.0L - On the lower right front of the engine | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
A/C Compressor | 4.3L - On the left top front of the engine | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
A/C Compressor Clutch | On the front of the A/C compressor | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
A/C Compressor Clutch Relay | In the underhood bussed electrical center (UBEC) | -- | |
A/C Compressor High Pressure Cutout Switch | In the rear of the A/C compressor | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
A/C Compressor Low Pressure Cycling Switch | On the right side of the A/C accumulator | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Ambient Light Sensor | On the top center of the instrument panel (IP) in the grille assembly | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Antenna | On top of the right front fender on the cowl | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Ash Tray Lamp | Inside the top of the ash tray assembly | Lighting Systems Component Views in Lightint Systems | -- |
Automatic Day - Night Mirror w/Compass | On the top center of the windshield | Stationary Windows Component Views in Stationary Windows | Stationary Windows Connector End Views in Stationary Windows |
Automatic Transfer Case (ATC) Control Module | To the left of the instrument cluster behind the headlamp switch | Transfer Case Control Component Views in Transfer Case | Transfer Case Control Connector End Views in Transfer Case |
Automatic Transfer Case (ATC) Select Switch | To the left of the instrument cluster above the headlamp switch on the IP | Transfer Case Control Component Views in Transfer Case | Transfer Case Control Connector End Views in Transfer Case |
Automatic Transmission | Under the vehicle attached to the rear of the engine | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60-E Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch | Inside the automatic transmission assembly | Automatic Transmission Electronic Component Views Automatic Transmission - 4L60-E Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Automatic Transmission Fluid Temperature (TFT) Sensor | Inside the automatic transmission assembly | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Automatic Transmission Input Speed Sensor | Inside the automatic transmission assembly | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Automatic Transmission Shift Lock Control Solenoid | On the lower part of the steering column | Tilt Wheel/Column Component Views in Steering Wheel and Column - Tilt | -- |
Auxiliary Battery Relay | On the right side of the A/C accumulator attached to the front of the dash | Engine Electrical Connector End Views in Engine Electrical | |
Auxiliary Power Outlet | On the lower center area of the IP | ||
Back-up Lamp Switch (Auto) (Part of Park/Neutral Position Switch) | On the left side of the transmission | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Back-up Lamp Switch (Manual) | On the left side of the transmission | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Back-up Lamp, LH | Part of the left rear lamps | Lighting Systems Component Views in Lighting Systems | -- |
Back-up Lamp, RH | Part of the right rear lamps | Lighting Systems Component Views in Lighting Systems | -- |
Battery Cable Junction Block | On the front left side of the engine | Engine Electrical Component Views in Engine Electrical | -- |
Battery, LH | At the left front of the engine compartment | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Battery, RH | At the right rear of the engine compartment | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Blower Motor | At the right lower IP on the HVAC module assembly | HVAC Component Views in HVAC Systgems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Blower Motor Resistor/Relay Assembly | At the right lower IP on the HVAC module assembly near the blower motor | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Blower Motor Control | In the center of the dash below the radio | Heater Blower Controls Component Views in Heating and Ventilation (Non-A/C) | Heater Blower Controls Connector End Views in Heating and Ventilation (Non-A/C) |
Body Control Module (BCM) | On the lower left side of the IP below the steering column | Body Control System Component Views in Body Control Systems | Body Control System Connector End Views in Body Control Systems |
Brake Fluid Level Switch | On the left side of the brake fluid reservoir | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes |
Camper Harness Inline Connector | On the left frame rail rear towards the rear of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Camshaft Position (CMP) Sensor | In the distributor | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Camshaft Position (CMP) Sensor | At the top center rear of the engine | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Cargo Lamp Switch | To the right side of the steering column in the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Center High Mounted Stop/Cargo Lamp (Pickup) | On the center top rear of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Cigar Lighter | At the center of the IP near the ashtray | ||
Clearance Lamp, LH | On the top of the cab on the left side | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Clearance Lamp, RH | On the top of the cab on the right side | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Clutch Pedal Position (CPP) Switch | On the top of the clutch pedal assembly near the reservoir | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Courtesy Lamp Relay | In the mid bussed electrical center (MBEC) | -- | |
Courtesy Lamp, LH | On the left lower dash to the left of the pedal assembly | Lighting Systems Component Views in Lighting Systems | -- |
Courtesy Lamp, RH | On the right lower dash below the IP compartment | -- | -- |
Crankshaft Position (CKP) Sensor | On the right lower side of the front engine cover | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Crankshaft Position (CKP) Sensor | At the lower right rear side of the engine block | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Cruise Control Module | On the left front of the dash in the engine compartment | Cruise Control Component Views in Cruise Control | Cruise Control Connector End Views in Cruise Control |
Cruise Control Switch | On the left side of the steering column on the multifunction switch | Tilt Wheel/Column Component Views in Steering Wheel and Column - Tilt | |
Data Link Connector (DLC) | On the left lower dash below the steering column | ||
Daytime Running Lamp, LH | Below the left headlamp assembly | Lighting Systems Component Views in Lighting Systems | -- |
Daytime Running Lamp, RH | Below the right headlamp assembly | Lighting Systems Component Views in Lighting Systems | -- |
Daytime Running Lamps (DRL) Relay | in the UBEC | -- | |
Defog Relay | In the UBEC | -- | |
Dome Lamp | At the front center of the headliner | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Dome/Reading Lamp | At the center of the headliner | Lighting Systems Component Views in Lighting Systems | Lighting Systems Component Views in Lighting Systems |
Door Courtesy Lamp, LH | On the left door trim panel | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Door Courtesy Lamp, RH | On the right door trim panel | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Door Key Switch (Security), LH | Attached to the left door key cylinder | -- | -- |
Door Key Switch (Security), RH | Attached to the right door key cylinder | -- | -- |
Door Lock Relay | In the left bussed electrical center (LBEC) | -- | |
Door Speaker, LH | On the left door trim panel | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Door Speaker, RH | On the right door trim panel | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Door Unlock Relay | In the LBEC | -- | |
Driver Door Unlock Relay | In the left bussed electrical center (LBEC) | -- | |
Electronic Brake Control Module (EBCM) | On the left side of the inner frame | Antilock Brake System Component Views in Antilock Brake Systems | Antilock Brake System Connector End Views in Antilock Brake Systems |
Encoder Motor | Inside of the transfer case | Transfer Case Control Component Views in Transfer Case | Transfer Case Control Connector End Views in Transfer Case |
Engine Coolant Level Switch | In the coolant reservoir | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Engine Coolant Temperature (ECT) Sensor | On the left rear side of the cylinder head | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Engine Coolant Temperature (ECT) Sensor | Near the rear of the engine block below the exhaust manifold | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Engine Oil Level Switch | In the right side of the oil pan | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Engine Oil Pressure (EOP) Sensor | At the rear of the engine on the left side of the center | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Evaporative Emission (EVAP) Canister Purge Valve | On the top right rear of the engine | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Evaporative Emission (EVAP) Canister Vent Valve | At the front right side of the fuel tank | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Exhaust Gas Recirculation (EGR) Valve | On the top right front of the engine assembly | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fog Lamp Relay | In the UBEC | -- | |
Fog Lamp Switch | To the right of the steering column on the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Fog Lamp, LH | On the left side of the front bumper | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Fog Lamp, RH | On the right side of the front bumper | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Forward/Rearward Motor (Seat) | Under the seat | Power Seat Component Views in Seats | -- |
Front Axle Actuator/Switch | On the axle housing on the right side of the center | Transfer Case Control Component Views Automatic Transfer Case | Transfer Case Control Connector End Views Automatic Transfer Case |
Front Marker Lamp, LH | On the left front of the vehicle | Lighting Systems Component Views in Lighting Systems | -- |
Front Marker Lamp, RH | On the right front of the vehicle | Lighting Systems Component Views in Lighting Systems | -- |
Front Park/Turn Lamp, LH | On the left front of the vehicle | Lighting Systems Component Views in Lighting Systems | -- |
Front Park/Turn Lamp, RH | On the right front of the vehicle | Lighting Systems Component Views in Lighting Systems | -- |
Front Propshaft Speed Sensor | On the left side of the transfer case at the propshaft output | Transfer Case Control Component Views Automatic Transfer Case | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Front Tilt Motor (Seat) | Under the seat | Power Seat Component Views in Seats | -- |
Fuel Injector #1 | On the left side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #2 | On the right side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #3 | On the left side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #4 | On the right side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #5 | On the left side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #6 | On the right side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #7 | On the left side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Injector #8 | On the right side of the intake | -- | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Pump Relay (FPR) | In the UBEC | ||
Fuel Pump/Level Sensor | In the fuel tank | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Fuel Tank Pressure Sensor | In the fuel tank | -- | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Full Feature Driver Seat (optional) | Left front seat | -- | -- |
Full Feature Passenger Seat (optional) | Right front seat | -- | -- |
Generator | On 4.3L - On the right front of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Generator | On 4.8L; 5.3L and 6.0L - On the left front of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Headlamp & Panel Dimmer Switch | To the left of the steering wheel on the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Headlamp Relay | In the UBEC | -- | |
Headlamp Dimmer Switch | Inside the steering column, part of the multifunction switch | Lighting Systems Component Views in Lighting Systems | -- |
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 | In the left exhaust pipe before the catalytic converter | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 | In the left exhaust pipe after the catalytic converter | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 | In the right exhaust pipe before the catalytic converter | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 | In the right exhaust pipe after the catalytic converter | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Heated Seat Relay, Driver | in the driver seat | -- | |
Heated Seat Relay, Passenger | In the passenger seat | -- | |
Heated Seat Switch, Driver | In the left door trim panel | Power Seat Component Views in Seats | -- |
Heated Seat Switch, Passenger | In the right door trim panel | Power Seat Component Views in Seats | -- |
High Beam Lamp, LH | On the left front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
High Beam Lamp, RH | On the right front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Horn (High), RH | On the right lower corner of the radiator core support | Horn Component Views in Horns | Horn Connector End Views in Horns |
Horn (Low), LH | On the left lower corner of the radiator core support | Horn Component Views in Horns | Horn Connector End Views in Horns |
Horn Relay | In the UBEC | -- | |
Horn Switch | At the top of the steering column on the steering wheel | Horn Connector End Views in Horns | |
HVAC Blower Switch (part of HVAC Control Module) | Under the radio in the center of the IP | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
HVAC Control Module | Under the radio in the center of the IP | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Idle Air Control (IAC) Valve | In the throttle body housing | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Ignition Coil | On the right side top of the engine | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Ignition Coils, LH Bank | On the left rocker cover | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | -- |
Ignition Coils, RH Bank | On the right rocker cover | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | -- |
Ignition Control Module (IC) | Near the ignition coil at the top right side of the engine | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Ignition Relay | In the UBEC | -- | |
Ignition Switch | Part of the steering column | -- | |
Inadvertant Power Relay | In the MBEC | -- | |
Inflatable Restraint Front End Discriminating Sensor | On the underside of the radiator core support | SIR Component Views in SIR | SIR Connector End Views in SIR |
Inflatable Restraint IP Module | On the right of the dash above the IP compartment | SIR Component Views in SIR | SIR Connector End Views in SIR |
Inflatable Restraint IP Module Switch | Near the center of the IP below the HVAC control module | SIR Component Views in SIR | SIR Connector End Views in SIR |
Inflatable Restraint Sensing & Diagnostic Module | Under the driver seat | SIR Component Views in SIR | SIR Connector End Views in SIR |
Inflatable Restraint Steering Wheel Module | In the center of the steering wheel | SIR Component Views in SIR | SIR Connector End Views in SIR |
Instrument Cluster | On the left side of the IP above the steering column | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Instrument Panel Compartment Lamp | In the IP compartment | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Intake Air Temperature (IAT) Sensor (Part of Mass Air Flow (MAF) Sensor | Part of the mass airflow sensor in the air induction tube | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Key In Ignition Switch | Part of the ignition cylinder | -- | -- |
Knock Sensor (KS) | On the top of the engine block near the left rear | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Knock Sensor (KS), Front | In the valley under the intake manifold near the front of the engine | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Knock Sensor (KS), Rear | In the valley under the intake manifold near the rear of the engine | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Left Bussed Electrical Center (LBEC) | On the lower left side of the IP | ||
License Lamps | In the center of the rear bumper | Lighting Systems Component Views in Lighting Systems | -- |
Low Beam Lamp, LH | At the left front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Low Beam Lamp, RH | At the right front of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Low Washer Switch | In the washer fluid reservoir | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Malfunction Indicator Lamp (MIL) | Part of the instrument cluster (IC) | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Manifold Absolute Pressure (MAP) Sensor | At the back of the throttle body on the intake manifold | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Manifold Absolute Pressure (MAP) Sensor | At the top rear of the engine on the intake manifold | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Manual Transmission | Under the vehicle attached to the rear of the engine | -- | -- |
Mass Air Flow (MAF) Sensor | In the air induction tube near the air cleaner assembly | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Memory Seat Module | Fastened to the underside of the driver seat | -- | -- |
Memory Seat Switch | On the driver door trim panel | -- | -- |
Mid Bussed Electrical Center (MBEC) | Under the left side of the instrument panel near the left kick panel | ||
Mini Wedge (Door Jamb Switch), LH | Part of the left door latch assembly | Power Door Systems Component Views in Doors | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Mini Wedge (Door Jamb Switch), RH | Part of the right door latch assembly | Power Door Systems Component Views in Doors | Lighting Systems Connector End Views in LIghting Systems |
Mode Door Motor (HVAC) | On the left side of the HVAC module assembly | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Outside Power Mirror, LH | Outside of the left door | Power Door Systems Component Views in Doors | |
Outside Power Mirror, RH | Outside of the right door | Power Door Systems Component Views in Doors | |
Park Brake Switch | Part of the park brake assembly | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes |
Park Lamp Relay | In the MBEC | -- | |
Park/Neutral Position Switch | On the left side of the transmission | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Passlock Sensor | Part of the ignition cylinder | -- | -- |
Power Door Lock Actuator, LH | Part of the left door latch assembly | Power Door Systems Component Views in Doors | |
Power Door Lock Actuator, RH | Part of the right door latch assembly | Power Door Systems Component Views in Doors | |
Power Door Lock Switch, LH | On the left door tirm panel armrest | Power Door Systems Component Views in Doors | |
Power Door Lock Switch, RH | On the right door trim panel armrest | Power Door Systems Component Views in Doors | |
Power Mirror Switch | On the left door trim panel armrest | Power Door Systems Component Views in Doors | |
Power Seat Switch, Driver | On the left side of the driver seat | Power Seat Component Views in Seats | -- |
Power Seat Switch, Passenger | On the right side of the passenger seat | Power Seat Component Views in Seats | -- |
Power Seat, Driver | On the left side inside the passenger compartment | Power Seat Component Views in Seats | -- |
Power Seat, Passenger | On the right side inside the passenger compartment | Power Seat Component Views in Seats | -- |
Power Window/Door Lock Switch, LH | On the left door trim panel armrest | Power Door Systems Component Views in Doors | |
Power Window Down Relay | In the right window switch | ||
Power Window Motor, LH | In the left door | Power Door Systems Component Views in Doors | |
Power Window Motor, RH | In the right door | Power Door Systems Component Views in Doors | |
Power Window Up Relay | In the right window switch | ||
Power Window/Door Lock Switch, RH | On the right door trim panel armrest | Power Door Systems Component Views in Doors | |
Powertrain Control Module (PCM) | Near the left front inside the engine compartment | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Radio | In the center of the IP | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Reading Lamps, Overhead Console | Part of the overhead console | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Rear Lamps Bussing Block | In the front of the rear bumper on the crossmember | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Rear Propshaft Speed Sensor | In the extension housing of the transfer case | Transfer Case Control Component Views in Automatic Transfer Case | Transfer Case Control Connector End Views in Automatic Transfer Case |
Rear Speaker, LH | At the left rear of the passenger compartment | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Rear Speaker, RH (Regular Cab) | At the right rear of the passenger compartment | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Rear Speaker, RH (Extended Cab) | In the right rear door | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Rear Tilt Motor (Seat) | Part of the seat assembly | -- | -- |
Rear Window Defogger Grid | On the rear glass | -- | |
Rear Window Defogger Relay | In the UBEC | -- | |
Rear Window Defogger Switch | In the HVAC control module | -- | Stationary Windows Connector End Views in Stationary Windows |
Recirculation Door Motor (HVAC) | In the top center of the HVAC module assembly | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Recliner Motor (Seat) | Part of the seat assembly | Power Seat Component Views in Seats | -- |
Remote CD Player | Below the center of the IP in the console | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment |
Remote Control Door Lock Receiver | In the top center of the IP near the instrument cluster | Keyless Entry Component Views in Keyless Entry | Keyless Entry Connector End Views in Keyless Entry |
Remote Control Door Lock Transmitter | Handheld | -- | -- |
Retained Accessory Power (RAP) Relay | In the LBEC | -- | |
Right Bussed Electrical Center (RBEC) | On the lower right side of the IP | ||
Roof Beacon Relay | Near the lower left B pillar | Lighting Systems Connector End Views in Lighting Systems | |
Roof Beacon Switch | At the center of the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Roof Marker Lamps | On top of the roof | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Seat Belt Switch | In the seat belt buckle | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console |
Seat Bolster Switch, Driver | Part of the left seat | -- | -- |
Seat Bolster Switch, Passenger | Part of the right seat | -- | -- |
Seat Heating Element, Driver | In the seat cushion and the seat back left seat | -- | -- |
Seat Heating Element, Passenger | In the seat cushion and the seat back right seat | -- | -- |
Seat Lumbar Motor , Passenger | In the seat back of the right seat | Power Seat Component Views in Seats | -- |
Seat Lumbar Motor, Driver | In the seat back of the left seat | Power Seat Component Views in Seats | -- |
Seat Thermistor, Driver | In the seat cushion in the left seat | -- | -- |
Seat Thermistor, Passenger | In the seat cushion in the right seat | -- | -- |
Secondary Air Injection Reaction (AIR) Pump | At the right rear of the engine compartment near the front of the dash | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Secondary Air Injection Reaction (AIR) Pump Relay | In the UBEC | ||
Secondary Air Injection Reaction (AIR) Solenoid | At the right rear of the engine compartment | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Selectable Ride Switch | In the center of the instrument panel | Selectable Ride Component Views in Selectable Ride | Selectable Ride Connector End Views in Selectable Ride |
Shock Solenoid Valve, LF | Part of the left front shock | -- | Selectable Ride Connector End Views in Selectable Ride |
Shock Solenoid Valve, LR | Part of the left rear shock | -- | Selectable Ride Connector End Views in Selectable Ride |
Shock Solenoid Valve, RF | Part of the right front shock | -- | Selectable Ride Connector End Views in Selectable Ride |
Shock Solenoid Valve, RR | Part of the right rear shock | -- | Selectable Ride Connector End Views in Selectable Ride |
Starter Motor | On the lower right rear of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Starter Motor Solenoid | On the starter motor | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Starter Relay | In the UBEC | Engine Electrical Connector End Views in Engine Electrical | |
Stoplamp Switch | At the top of the brake pedal | Hydraulic Brake Component Views in Hydrualic Brakes | Lighting Systems Connector End Views in Lighting Systems |
Tail/Stop - Turn Lamp, RH | On the right rear of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Tail/Stop-Turn Lamp, LH | On the left rear of the vehicle | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems |
Temperature Door Motor (HVAC) | Near the bottom center of the HVAC module assembly | HVAC Component Views in HVAC Systems with A/C - Manual | HVAC Connector End Views in HVAC Systems with A/C - Manual |
Throttle Position (TP) Sensor | On the throttle body | Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM SOL) Valve | In the automatic transmission | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60-E Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Torque Converter Clutch Solenoid (TCC SOL) Valve | In the automatic transmission | Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60-E Automatic Transmission Electronic Component Views in Automatic Transmission - 4L80-E | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Tow/Haul Switch | In the end of the automatic transmission shift lever | -- | Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60-E Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80-E |
Trailer Connector | At the rear of the vehicle at the rear bumper | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in LIghting Systems |
Transfer Case | Under the center of the vehicle attached to the transmission | Transfer Case Control Component Views in Automatic Transfer Case Transfer Case Control Component Views in Manual Transfer Case | Transfer Case Control Connector End Views in Automatic Transfer Case Transfer Case Control Connector End Views in Manual Transfer Case |
Transfer Case Switch | On the left front of the transfer case | Transfer Case Control Component Views in Manual Transfer Case | Transfer Case Control Connector End Views in Manual Transfer Case |
Turn/Hazard Flasher | In the LBEC | Lighting Systems Connector End Views in Lighting Systems | |
Turn/Hazard Switch | Inside the steering column multi-function switch | -- | Lighting Systems Connector End Views in Lighting Systems |
Underhood Bussed Electrical Center (UBEC) | At the left side of the engine compartment near the battery | ||
Underhood Lamp Assembly | On the underside of the hood | Lighting Systems Component Views in LIghting Systems | Lighting Systems Connector End Views in Lighting Systems |
Vehicle Control Module (VCM) | On the left front of the engine compartment | Engine Controls Component Views in Engine Controls - 4.3L | Engine Controls Connector End Views in Engine Controls - 4.3L |
Vehicle Speed Sensor (VSS) Adapter (4WD Only) | On the left side of the transmission | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Vehicle Speed Sensor (VSS) | In the extension housing on the left side of the transmission | Engine Controls Component Views in Engine Controls - 4.3L Engine Controls Component Views in Engine Controls - 4.8L, 5.3L, 6.0L | Engine Controls Connector End Views in Engine Controls - 4.3L Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L |
Wheel Speed Sensor, LH | On the left hub and bearing assembly | -- | Antilock Brake System Connector End Views in Antilock Brake Systems |
Wheel Speed Sensor, RH | On the right hub and bearing assembly | -- | Antilock Brake System Connector End Views in Antilock Brake Systems |
Windshield Washer Pump | In the washer reservoir | -- | |
Windshield Wiper/Washer Switch | In the steering column part of the multifunction lever | -- | Wiper/Washer Connector End Views in Wiper/Washer Systems |
Windshield Wiper Motor Module | Under the cowl near the wiper arms. | Wiper/Washer Component Views in Wiper/Washer Systems | Wiper/Washer Connector End Views in Wiper/Washer Systems |
C100 | Under the UBEC | ||
C101 | Under the UBEC | ||
C102 | Under the UBEC | ||
C105 | At the left side of the engine compartment near the UBEC | -- | |
C125 | At the left front of the engine compartment on the radiator support (Snowplow Package) | -- | |
C127 | At the right front of the engine compartment on the radiator support (Snowplow Package) | -- | |
C148 | On the left side rocker cover near the ignition coils | -- | |
C149 | On the right side rocker cover near the igntion coils | -- | |
C150 | On the left inner fender inside the engine compartment | -- | |
C151 | On the left inner fender near the UBEC | -- | |
C152 | On the left inner fender under the UBEC | ||
C153 | On the left inner fender near the UBEC | -- | |
C154 | On the left inner fender near the UBEC | -- | |
C198 | On the left inner fender to the right of the UBEC | -- | |
C199 | Near the trailer inline connector close to the rear lamps bussing block | -- | |
C200 | At the left kick panel next to the A pillar | ||
C201 | On the steering column under the IP | ||
C201A | On the steering column under the IP | ||
C201B | On the steering column under the IP | ||
C201C | On the steering column under the IP | ||
C202 | On the left side of the IP on the back of the cluster | ||
C204 | At the left A pillar near the kick panel | ||
C210 | At the left A pillar near the kick panel | -- | |
C250 | Top center of the IP behind the radio | -- | |
C251 | In the right side in back of the IP compartment box | -- | |
C296 | Behind the IP compartment box | ||
C297 | On the lower right side of the IP | -- | |
C297A | On the lower right side of the IP | -- | |
C297B | On the lower right side of the IP | -- | |
C297C | On the lower right side of the IP | -- | |
C297D | On the lower right side of the IP | -- | |
C299 | At the right side of the IP at the kick panel | -- | |
C301 | Under the left seat | -- | |
C302 | At the left A pillar near the kick panel | -- | |
C303 | Under the right seat | -- | |
C304 | Near the left B pillar | -- | |
C305 | Under the left front seat | -- | |
C398 | Near the left kick panel at the A pillar | -- | |
C399 | Under the right seat | -- | |
G100 | On the left front body mount | -- | |
G102 | On the right front of the engine block (4.3L) | -- | -- |
G102 | On the left front of the engine block (4.8L, 5.3L, 6.0L) | -- | |
G103 | On the right rear of the engine block | -- | |
G104 | On the left rear of the engine block | -- | |
G105 | On the right front of the engine block (4.3L) Battery Gnd. | -- | |
G105 | On the left front of the engine block (4.8L, 5.3L, 6.0L) Battery Gnd. | -- | -- |
G106 | On the right front of the engine block (4.3L) Aux. Battery Gnd. | -- | -- |
G106 | On the right rear of the engine block (4.8L, 5.3L, 6.0L) Aux. Battery Gnd. | -- | -- |
G107 | Engine to body (engine ground strap) | -- | |
G108 | Hood to body (body ground strap) | -- | -- |
G110 | On the left front body mount | -- | |
G200 | On the right upper IP at the A pillar | -- | |
G203 | On the left upper IP at the A pillar | -- | |
G302 | On the left body mount | -- | |
G304 | Under the driver seat | -- | |
G305 | Inside the passenger compartment on the left side at the B pillar | -- | -- |
G306 | Inside the passenger compartment on the right side at the B pillar | -- | |
G401 | On the spare tire hoist bracket | -- | -- |
G403 | On the left frame body mount bracket | -- | -- |
P100 | At the left rear of the engine compartment in the front of the dash | -- | |
P500 | Between the left front door and the body | -- | |
P501 | In the left door to the outside mirror | -- | |
P600 | Between the right front door and the body | -- | |
Splice Pack 203 (SP203) | On the top left side of the IP near the A pillar | -- | |
Splice Pack 205 (SP205) | On the left side of the IP behind the headlamp switch | Data Link Communications Component Views in Wiring Systems | Data Link Communications Connector End Views in Wiring Systems |
S100 | In the forward lamp harness | -- | -- |
S101 | In the forward lamp harness | -- | -- |
S102 | In the engine harness | -- | -- |
S103 | In the engine harness | -- | -- |
S104 | In the engine harness | -- | -- |
S105 | In the engine harness (4.3L) | -- | -- |
S106 | In the engine harness (4.3L) | -- | -- |
S107 | In the engine harness (4.3L) | -- | -- |
S108 | In the engine harness (4.3L) | -- | -- |
S151 | In the engine harness (4.8L, 5.3L, 6.0L) | -- | -- |
S152 | In the engine harness (4.8L, 5.3L, 6.0L) | -- | -- |
S153 | In the engine harness (4.8L, 5.3L, 6.0L) | -- | -- |
S154 | In the engine harness (4.8L, 5.3L, 6.0L) | -- | -- |
S156 | In the engine harness (4.8L, 5.3L, 6.0L) | -- | -- |
S157 | In the engine harness (4.8L, 5.3L, 6.0L) | -- | -- |
S199 | In the engine harness | -- | -- |
S200 | At the roof marker lamps | -- | -- |
S201 | At the roof marker lamps | -- | -- |
S400 | In the camper wiring harness | -- | -- |
S401 | In the camper wiring harness | -- | -- |
S402 | In the camper wiring harness | -- | -- |
S403 | In the camper wiring harness | -- | -- |
S404 | In the camper wiring harness | -- | -- |
S405 | In the camper wiring harness | -- | -- |
S406 | In the camper wiring harness | -- | -- |
