GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Automatic Recirculating Switch

In the air conditioning (A/C) muffler hose assembly, close to the condenser

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

A/C Compressor Clutch

On the front of the A/C compressor

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

A/C Compressor Clutch Relay

In the Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

A/C Compressor Low Pressure Cycling Switch

On the right side of the A/C accumulator

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC 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

Ash Tray Lamp

Inside the top of the ash tray assembly

Lighting Systems Component Views in Lighting Systems

--

Audio Amplifier

To the right of the IP behind the compartment box

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Automatic Day/Night Mirror W/Compass/Outside Temperature

On the top center of 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 Connector End Views in Automatic 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 Automatic Transfer Case

Transfer Case Control Connector End Views in Automatic Transfer Case

Automatic Transmission Shift Lock Control Solenoid

On the lower part of the steering column

Automatic Transmission Electronic Component Views in Automatic Transmission - 4L60

Automatic Transmission Electronic Component Views in Automatic Transmission -4L80

--

Auxiliary Battery Relay

On the right side of the A/C accumulator attached to the front of the dash

Electrical Center Identification Views

Engine Electrical Connector End Views

Auxiliary HVAC Control Switch - Front (Part of the HVAC Control Module)

In the overhead console

HVAC Component Views in Automatic HVAC Systems

HVAC Connector End Views in Automatic HVAC Systems

Auxiliary Power Outlet

On the lower center area of the IP

Power and Grounding Component Views

Power and Grounding Connector End Views

Auxiliary Power Outlet - Console

In the rear of the floor console

--

Power and Grounding Connector End Views

Auxiliary Power Outlet - Rear

In the right rear of vehicle

--

Power and Grounding Connector End Views

Back-up Lamp Switch (Auto) (Part of Park/Neutral Position Switch)

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 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

--

Battery, RH

At the right rear of the engine compartment

Engine Electrical Component Views in Engine Electrical

--

Blower Motor Resistor/Relay Assembly

At the right lower IP on the HVAC module assembly near the blower motor

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

Blower Motor Switch

In the center of the dash below the radio

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

Body Control Module (BCM)

On the lower left side of the IP below the steering column

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Wiring Harness Junction Block

Under the left side of the instrument panel near the left kick panel

Power and Grounding Component Views

Power and Grounding Connector End Views

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

Camshaft Position (CMP) Sensor - 4.3L

Part of the distributor assembly

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 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

Power and Grounding Component Views

Power and Grounding Connector End Views

Compressor/Leveling Module (RTD)

On the right frame rail in front of muffler

Suspension Controls Component Views in Real Time Damping (RTD)

Suspension Controls Connector End Views in Real Time Damping (RTD)

Compressor/Leveling Relay (RTD)

On the right frame rail in front of muffler

Suspension Controls Component Views in Real Time Damping (RTD)

Suspension Controls Connector End Views in Real Time Damping (RTD)

Courtesy Lamp Relay

In the I/P Wiring Harness Junction Block

Electrical Center Identification Views

--

Courtesy Lamp, LH

On the left lower dash to the left of the pedal assembly

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy Lamp, RH

On the right lower dash below the IP compartment

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Crankshaft Position (CKP) Sensor

On the right lower side of the front engine cover

Lighting Systems Component Views in Lighting Systems

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

Lighting Systems Connector End Views in Lighting Systems

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

Inline Harness Connector End Views

Data Link Connector (DLC)

On the left lower dash below the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

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 Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

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 Key Switch (Security), Liftgate

Attached to the liftgate key cylinder

--

--

Door Lock Relay

In the I/P Wiring Harness Junction Block

Electrical Center Identification Views

--

Door Unlock Relay

In the I/P Wiring Harness Junction Block

Electrical Center Identification Views

--

Electronic Brake Control Module (EBCM)

On the left side of the inner frame

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

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 Wiring Harness Junction Block

At the left side of the engine compartment near the battery

Power and Grounding Component Views

Power and Grounding Connector End Views

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

Evaporative Emission (EVAP) Canister Purge Valve

On the top center front 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 left 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

Fog Lamp Relay

In the Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

Fog Lamp Switch

To the left 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

Front Axle Actuator/Switch

On the axle housing on the right side of the center

Transfer Case Control Component Views in Automatic Transfer Case

Transfer Case Control Connector End Views in Automatic Transfer Case

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 Engine Wiring Harness Junction Block

Electrical Center Identification Views

Power and Grounding Connector End Views

Fuel Pump/Level Sensor

In the fuel tank

--

Engine Controls Connector End Views in Engine Controls - 4.8L, 5.3L, 6.0L

Full Feature Driver Seat

Left front seat (optional)

--

--

Full Feature Passenger Seat

Right front seat (optional)

--

--

Fuse Block

On the lower left side of the IP

Power and Grounding Component Views

Power and Grounding Connector End Views

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

--

Headlamp Relay

In the Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

Headlamp Dimmer Switch

Inside the steering column, controlled by the multifunction switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End 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 Switch, Driver

In the left door trim panel

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Heated Seat Switch, Passenger

In the right door trim panel

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

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 Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

Horn Switch

At the top of the steering column on the steering wheel

Electrical Center Identification Views

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 with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

HVAC Control Module

Under the radio in the center of the IP

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

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 - 4.3L

--

Ignition Coils, RH Bank

On the right rocker cover

Engine Controls Component Views in Engine Controls - 4.3L

--

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 Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

Ignition Switch

Part of the steering column

--

--

In Vehicle Temperature Sensor Assembly (Overhead)

In the headliner above the driver

HVAC Component Views in HVAC Systems

HVAC Connector End Views in HVAC Systems

Inadvert Power Relay

In the Body Wiring Harness Junction Block

Electrical Center Identification Views

--

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

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

Instrument Wiring Harness Junction block

On the lower right side of the IP

Power and Grounding Component Views

Power and Grounding Connector End Views

License Lamps

In the center of the rear bumper

Lighting Systems Component Views in Lighting Systems

--

Liftgate Ajar Switch, LH

On the top left side of the liftgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Liftgate Ajar Switch, RH

On the top right side of the liftgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Liftglass Ajar Switch

Part of the liftglass latch assembly

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

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

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

--

Power Seat Connector End Views in Seats

Memory Seat Switch

On the driver door trim panel

--

Power Seat Connector End Views in Seats

Mini Wedge (Door Jamb Switch), LF

Part of the left door latch assembly

Power Door Systems Component Views in Doors

Lighting Systems Connector End Views in Lighting Systems

Mini Wedge (Door Jamb Switch), RF

Part of the right door latch assembly

Power Door Systems Component Views in Doors

Lighting Systems Connector End Views in Lighting Systems

Mini Wedge (Door Jamb Switch), LR

Part of the left rear door latch assembly

Power Door Systems Components in Doors

Power Door Systems Connector End Views in Doors

Mini Wedge (Door Jamb Switch), RR

Part of the right rear door latch assembly

Power Door Systems Components in Doors

Power Door Systems Connector End Views in Doors

Mode Door Motor (HVAC)

On the left side of the HVAC module assembly

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

Outside Power Mirror, LH

Outside of the left door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Outside Power Mirror, RH

Outside of the right door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Park Lamp Relay

In the I/P Wiring Harness Junction Block

Electrical Center Identification Views

--

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

Power Cargo/Liftgate Door Lock Actuator

Part of the rear cargo/liftgate door latch assembly

Body Rear End Component Views in Rear Body End

Body Rear End Connector End Views in Rear Body End

Power Door Lock Switch, LH

On the left door trim panel armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Power Door Lock Switch, RH

On the right door trim panel armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Power Door Lock Switch, Rear Cargo

Near "D" Pillar on right hand side

Harness Routing Views

Power Door Systems Connector End Views in Doors

Power Mirror Switch

On the left door trim panel armrest

--

Power Door Systems Connector End Views in Doors

Power Seat Switch, Driver

On the left side of the driver seat

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Power Seat Switch, Passenger

On the right side of the passenger seat

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Power Sunroof Module

In the rear of the sunroof

Power Roof Systems Component Views in Roof

Power Roof Systems Connector End Views in Roof

Power Window/Door Lock Switch, LF

On the left door trim panel armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Power Window/Door Lock Switch, RF

On the right door trim panel armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End 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

Powertrain Control Module Connector End Views

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 Auxiliary Blower Motor Resistor/Relay Assembly

In the right rear side panel above the wheelwell

HVAC Component Views in Automatic HVAC Systems

HVAC Connector End Views in Automatic HVAC Systems

Rear Auxiliary HVAC Control Switch (Part of the HVAC Control Module)

In the overhead console

HVAC Component Views in Automatic HVAC Systems

HVAC Connector End Views in Automatic HVAC Systems

Rear Dome Lamp

In the rear of headliner

--

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 Window Defogger Grid

On the rear glass

--

Stationary Windows Connector End Views in Stationary Windows

Rear Window Defogger Relay

In the Engine Wiring Harness Junction Block

Electrical Center Identification Views

--

Rear Window Defogger Switch

In the HVAC control module

--

HVAC Connector End Views in Automatic HVAC Systems

Rear Wiper/Washer Switch

On the left side of the instrument panel

Wiper/Washer Component Views in Wipers/Washer Systems

Wiper/Washer Connector End Views in Wiper/washer Systems

Rear Window Wiper Module

In the rear liftgate panel

Wiper/Washer Component Views in Wipers/Washer Systems

Wiper/Washer Connector End Views in Wipers/Washer Systems

Recirculation Door Motor (HVAC)

In the top center of the HVAC module assembly

HVAC Component Views in HVAC with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

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

Retained Accessory Power (RAP) Relay

In the Fuse Block

Electrical Center Identification Views

--

Retained Accessory Power 2 Relay (RAP2)

In the instrument panel wiring harness junction block

Electrical Center Identification Views

--

Roof Beacon Relay

Near the left B pillar

Electrical Center Identification Views

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

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 Engine Wiring Harness Junction Block

Electrical Center Identification Views

Power and Grounding Connector End Views

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

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 Solenoid

On the starter motor

Engine Electrical Component Views in Engine Electrical

--

Starter Relay

In the Engine Wiring Harness Junction Block

Engine Electrical Component Views in Engine Electrical

--

Steering Handwheel Speed/Position Sensor

Near the base of steering column below the mounting bracket

Steering Assist Component Views in Variable Effort Steering

--

Stoplamp Switch

At the top of the brake pedal

Hydraulic Brake Component Views in Hydraulic 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 with A/C - Manual

HVAC Connector End Views in HVAC with A/C - Manual

Tow/Haul Switch

In the end of the automatic transmission shift lever

--

Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L60

Automatic Transmission Inline Harness Connector End View in Automatic Transmission - 4L80

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 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 Fuse Block

Electrical Center Identification Views

Lighting Systems Connector End Views in Lighting Systems

Turn/Hazard Switch

Inside the steering column near the steering wheel

--

Lighting Systems Connector End Views in Lighting Systems

Underhood Lamp Assembly

On the underside of the hood

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Windshield Washer Pump

In the washer reservoir

--

Wiper/Washer Connector End Views in Wiper/Washer Systems

Windshield Wiper/Washer Switch

In the steering column controlled by the multifunction lever

--

Wiper/Washer Connector End Views in Wiper/Washer Systems

C100

Under the Engine Wiring Harness Junction Block

Harness Routing Views

Inline Harness Connector End Views

C101

Under the Engine Wiring Harness Junction Block

Harness Routing Views

Inline Harness Connector End Views

C102

Under the Engine Wiring Harness Junction Block

Harness Routing Views

Inline Harness Connector End Views

C148

On the left side rocker cover near the ignition coils

--

Inline Harness Connector End Views

C149

On the right side rocket cover near the ignition coils

--

Inline Harness Connector End Views

C150

On the left inner fender inside the engine compartment

--

Inline Harness Connector End Views

C151

On the left inner fender near the Engine Wiring Harness Junction Block

Harness Routing Views

Inline Harness Connector End Views

C153

On the left inner fender near the Engine Wiring Harness Junction Block

Harness Routing Views

Inline Harness Connector End Views

C197

Under the right rear of vehicle near the spare tire

Harness Routing Views

Inline Harness Connector End Views

C200

At the left kick panel next to the A pillar

Harness Routing Views

Inline Harness Connector End Views

C201

On the steering column under the IP

Harness Routing Views

Inline Harness Connector End Views

C201A

On the steering column under the IP

Harness Routing Views

Inline Harness Connector End Views

C201B

On the steering column under the IP

Harness Routing Views

Inline Harness Connector End Views

C201C

On the steering column under the IP

Harness Routing Views

Inline Harness Connector End Views

C202

On the left side of the IP on the back of the cluster

Harness Routing Views

Inline Harness Connector End Views

C205

To the left of the IP behind the kick panel

--

Inline Harness Connector End Views

C208

To the right of IP behind the kick panel

Harness Routing Views

Inline Harness Connector End Views

C210

At the left A pillar near the kick panel

--

Inline Harness Connector End Views

C250

Top center of the IP behind the radio

--

Inline Harness Connector End Views

C251

In the right side in back of the IP compartment box

--

Inline Harness Connector End Views

C253

Under dash board to the left of the radio

Harness Routing Views

Inline Harness Connector End Views

C296

Behind the IP compartment box

Harness Routing Views

Inline Harness Connector End Views

C297

On the lower right side of the IP

--

Inline Harness Connector End Views

C297A

On the lower right side of the IP

--

Inline Harness Connector End Views

C297B

On the lower right side of the IP

--

Inline Harness Connector End Views

C297C

On the lower right side of the IP

--

Inline Harness Connector End Views

C298 (Base)

At the right side of the IP at the kick panel

Harness Routing Views

Inline Harness Connector End Views

C299 (Uplevel)

At the right side of the IP at the kick panel

Harness Routing Views

Inline Harness Connector End Views

C301

Under the left seat

--

Inline Harness Connector End Views

C303

Under the right seat

--

Inline Harness Connector End Views

C305

Under the left front seat

--

Inline Harness Connector End Views

C312

Inside the right rear of vehicle above the wheel well

Harness Routing Views

Inline Harness Connector End Views

C350

Inside the right rear of vehicle above the wheel well

Harness Routing Views

Inline Harness Connector End Views

C396

Between the right rear door and the body

Harness Routing Views

Inline Harness Connector End Views

C397

Inside the right rear of vehicle above the wheel well (Suburban Only)

Harness Routing Views

Inline Harness Connector End Views

C398

Near the left kick panel at the A pillar

--

Inline Harness Connector End Views

C399

Under the right seat

--

Inline Harness Connector End Views

C402

At the left rear underbody on the frame rail

Harness Routing Views

Inline Harness Connector End Views

C403

At the right rear underbody on the frame rail

Harness Routing Views

Inline Harness Connector End Views

C404

At the right rear underbody on the frame rail

Harness Routing Views

Inline Harness Connector End Views

C405

At the left rear underbody on the frame rail

Harness Routing Views

Inline Harness Connector End Views

C499

Near the right liftgate hinge

Harness Routing Views

Inline Harness Connector End Views

G100

On the left radiator support bracket

Power and Grounding Component Views

--

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)

Power and Grounding Component Views

--

G103

On the right rear of the engine block

Power and Grounding Component Views

--

G104

On the left rear of the engine block

Power and Grounding Component Views

--

G105

On the right front of the engine block (4.3L)

Power and Grounding Component Views

--

G105

On the left front of the engine block (4.8L, 5.3L, 6.0L)

--

--

G106

On the right front of the engine block (4.3L)

--

--

G106

On the right rear of the engine block (4.8L, 5.3L, 6.0L)

--

--

G107

Engine to body (engine ground strap)

Power and Grounding Component Views

--

G108

Hood to body (body ground strap)

--

--

G110

On the left front body mount behind the left front wheel housing

Power and Grounding Component Views

--

G200

On the right upper IP at the A pillar

Power and Grounding Component Views

--

G203

On the left upper IP at the A pillar

Power and Grounding Component Views

--

G302

On the left body mount

Power and Grounding Component Views

--

G304

Under the driver seat

Power and Grounding Component Views

--

G305

Inside the passenger compartment on the left side at the B pillar

Power and Grounding Component Views

--

G306

Inside the passenger compartment on the right side at the B pillar

Power and Grounding Component Views

--

G401

On the spare tire hoist bracket

--

--

G403

On the left frame rail near the body mount

Power and Grounding Component Views

--

G410

On the right rear inner side body panel

Harness Routing Views

--

G410A

On the right rear inner side body panel

Harness Routing Views

--

P100

At the left rear of the engine compartment in the front of the dash

Power and Grounding Component Views

--

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

--

--

P700

Between the left rear door and the body

Power and Grounding Component Views

--

P800

Between the right rear door and the body

--

--

P900

Between the liftgate and the rear body

Power and Grounding Component Views

--

P901

Between the left cargo door and the back body

Power and Grounding Component Views

--

P902

Between the left cargo door and the back body

Power and Grounding Component Views

--

Splice Pack 203 (SP203)

On the top left side of the IP near the A pillar

Harness Routing Views

--

Splice Pack 205 (SP205)

On the left side of the IP behind the headlamp switch

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Splice Pack 410 (SP410)

On the right rear inner side body panel

Harness Routing Views

--

Splice Pack 410A (SP410A)

On the right rear inner side body panel

Harness Routing Views

--

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

--

--

S235

In the console harness

--

--

S267

In the console harness

--

--

S268

In the console harness

--

--

S272

In the console harness

--

--

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

--

--

S410

In the body harness/liftgate harness

--

--

S411

In the liftgate harness

--

--

S412

In the rear lamp harness - utility only

--

--

S413

In the rear lamp harness - utility only

--

--

S414

In the rear lamp harness - utility only

--

--

S415

In the rear lamp harness - utility only

--

--

S420

In the right body harness

--

--

S421

In the right body harness/dome jumper harness

--

--

S422

In the right body harness

--

--