GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Compressor Clutch

Behind the A/C compressor pulley, part of the A/C compressor

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

A/C Relay

In the fuse block-underhood

Electrical Center Identification Views

--

A/C Low Pressure Switch

At the right rear of underhood compartment, on the accumulator

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

A/C Refrigerant Pressure Sensor

On the high pressure hose connection to the compressor

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Accelerator Pedal Position (APP) Sensor

On the accelerator bracket

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Accessory Power Outlet-Console

At the rear of the lower console

Power and Grounding Component Views

Power and Grounding Connector End Views

Accessory Power Outlet-Front

In the center of the I/P beside the cigar lighter

Power and Grounding Component Views

Power and Grounding Connector End Views

Accessory Power Outlet-Rear

On the lower part of the right side D-pillar (Short Wheelbase, Body Type VIN 3); lower part of the left side D-pillar (Long Wheelbase, Body Type VIN 6)

Power and Grounding Component Views

Power and Grounding Connector End Views

Air Suspension Compressor Assembly

Behind the right rear wheel well (Short Wheelbase, Body Type VIN 3): On a bracket on the left rear frame, near the spare tire (Long Wheelbase, Body Type VIN 6)

Suspension Controls Component Views in Air Suspension

Suspension Controls Connector End Views in Air Suspension

Air Suspension Inflator Switch

Right rear trim panel (Short Wheelbase, Body Type VIN 3): Left rear trim panel (Long Wheelbase, Body Type VIN 6)

Suspension Controls Component Views in Air Suspension

Suspension Controls Connector End Views in Air Suspension

Air Suspension Sensor-Left

Above the left rear wheel, attached to the frame and upper control arm

Suspension Controls Component Views in Air Suspension

Suspension Controls Connector End Views in Air Suspension

Air Suspension Sensor-Right

Above the right rear wheel, attached to the frame and upper control arm

Suspension Controls Component Views in Air Suspension

Suspension Controls Connector End Views in Air Suspension

Air Temperature Actuator-Auxiliary

In the rear HVAC module, behind the right rear interior body panel (Long Wheelbase, Body Type VIN 6)

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Air Temperature Actuator-Left

Below the I/P to the left of the center console, above the accelerator

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Air Temperature Actuator-Right

To the right of the I/P center support, behind the I/P

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Air Temperature Sensor Assembly-Inside

In the left B-pillar

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Ambient Air Temperature Sensor

Above the left side of the grille

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Ambient Light Sensor

In the center of the I/P upper trim panel

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Ambient Light/Sunload Sensor

In the center of the I/P upper trim panel

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Audio Amplifier

Behind the right side panel of the rear compartment (Short Wheelbase, Body Type VIN 3); Behind the left side panel of the rear compartment (Long Wheelbase, Body Type VIN 6)

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Automatic Transmission

Bolted to the rear of the engine block

--

Automatic Transmission Inline Harness Connector End View in Automatic Transmission

Automatic Transmission Shift Lever

In the lower console

--

Automatic Transmission Related Connector End Views in Automatic Transmission

Backup Lamp Switch

Part of the park/neutral position (PNP) switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Backup Lamp-Left

In the rear bumper at the left rear corner of the vehicle

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Backup Lamp-Right

In the rear bumper at the right rear corner of the vehicle

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Battery

Left front of the underhood compartment

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Blower Motor

Below the right side of the I/P

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Blower Motor Resistor Assembly (CJ3)

Attached to the bottom of the blower assembly

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Blower Motor-Auxiliary

Below the center of the I/P, in front of the center console (Short Wheelbase, Body Type VIN 3); Behind the interior right rear trim panel (Long Wheelbase, Body Type VIN 6)

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Blower Motor Switch-Front Auxiliary

Long wheelbase only (Body Type VIN 6); on the lower console beside the automatic transmission shift lever

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Blower Motor Control Processor

Short wheelbase (Body Type VIN 3) with CJ2, near the blower motor, behind the lower cowl; Long wheelbase (Body Type VIN 6); inside the auxiliary blower housing, behind the right rear interior body panel

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Body Control Module (BCM)

Attached to the rear fuse block, beneath the left rear seat

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Brake Fluid Level Switch

At the left rear of the underhood compartment in the master cylinder fluid reservoir

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Camshaft Actuator Solenoid Assembly

On the upper right of the engine block

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Camshaft Position (CMP) Sensor

At the upper right front of the engine block, below the valve cover

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Cargo Lamp

In the interior cargo area at the rear of the headliner above the liftgate

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Center High Mounted Stop Lamp (CHMSL)

At the top center of the liftgate exterior

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Cigar Lighter

In the center trip panel of the I/P

Power and Grounding Component Views

Power and Grounding Connector End Views

Cooling Fan

Behind the radiator

Cooling System Component Views in Engine Cooling

Cooling System Connector End Views in Engine Cooling

Cooling Fan Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Cornering Lamp-Left

Olds: in front of the right side marker lamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Cornering Lamp-Right

Olds: in front of the right side marker lamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy Lamp Switch

Part of headlamp switch, at the left side of the I/P

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy Lamp-Left

In the I/P lower panel, on the left side

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy- Reading Lamp-LF

In the headliner above the LF door

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy- Reading Lamp-LR

In the headliner above the LR door

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy- Reading Lamp-RF

In the headliner above the RF door

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy- Reading Lamp-RR

In the headliner above the RR door

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy- Reading Lamp-Right Center

In the central part of the headliner, right side, long wheelbase (Body Type Vin 6)

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Courtesy- Reading Lamp-Left Center

In the central part of the headliner, left side, long wheelbase (Body Type Vin 6)

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Crankshaft Position (CKP) Sensor

On the left rear of the engine block below the starter

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Cruise Control (ON/OFF) Switch

On the multifunction switch stalk on the left side of the steering column

Cruise Control Component Views in Cruise Control

--

Data Link Connector (DLC)

Below the I/P above the accelerator pedal

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Defrost Actuator

On the cowl side of the upper I/P carrier

HVAC Component Views in HVAC System - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Diversity Antenna

From radio to roof via right A-pillar (Olds, GMC only)

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Door Lock Actuator-Driver

In the left front door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Actuator-Front Passenger

In the right front door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Actuator-LR

In the left rear door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Actuator-Liftgate

Inside the liftgate

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Actuator-RR

Inside the right rear door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Doors Circuit Breaker-Left

In the fuse block-rear

Electrical Center Identification Views

--

Doors Circuit Breaker-Right

In the fuse block-rear

Electrical Center Identification Views

--

Driver Door Module (DDM)

Attached to the lower part of the driver door switch panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

DVD Player

In the upper console

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Electronic Brake Control Module (EBCM)

On the inner left frame rail, adjacent to the transmission

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Engine Coolant Temperature (ECT) Sensor

On the left front of the engine block, near the generator

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Eng Oil Level/Temp Sensor

On the right side of the engine block

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console

Evaporative Emission (EVAP) Canister Purge Solenoid

On the left side of the engine block

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Evaporative Emission (EVAP) Canister Vent Solenoid

At the rear of the fuel tank

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Fan/ Temperature Switch

(Redundant control with option STW) On the upper left spoke of the steering wheel

HVAC Component Views in HVAC System - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Fog Lamp-LF

In the left side of the front bumper

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Fog Lamp-RF

In the right side of the front bumper

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Fog Lamp Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Front Axle Actuator

On the inner flange of the right front axle

Transfer Case Control Component Views in Transfer Case NVG 226 - NP8

Transfer Case Control Connector End Views in Transfer Case NVG 226 - NP8

Front Passenger Door Module (FPDM)

Attached to the lower part of the passenger door switch panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Fuel Pump Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Fuel Pump and Sender Assembly

Inside the fuel tank

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Fuel Tank Pressure (FTP) Sensor

At the top left rear of the fuel tank

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Fuel/Trip Switch

(With option STW) On the lower left spoke of the steering wheel

--

--

Fuse Block - Rear

Beneath the left rear seat

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block-Underhood

In the underhood compartment above the left front wheel well

Power and Grounding Component Views

Electrical Center Identification Views

Garage Door Opener

In the overhead console

Garage Door Opener Component Views in Garage Door Opener

Garage Door Opener Connector End Views in Garage Door Opener

Generator

At the left front of the engine

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Headlamp Assembly-Left

On the front of the vehicle, to the left of the grille

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Assembly-Right

On the front of the vehicle, to the right of the grille

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Dimmer Switch

Part of the multi-function switch stalk on the left side of the steering column

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Driver Module

In the fuse block-underhood

Electrical Center Identification Views

--

Headlamp Hi-Beam Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Headlamp Leveling Actuator-Left

Behind the left headlamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Leveling Actuator-Right

Behind the right headlamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Leveling Switch

Part of the headlamp switch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Switch

On the left side of the I/P

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Headlamp Washer Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Headlamp Washer Switch

To the right of the headlamp switch, above the fog lamp switch

Wiper/Washer Component Views in Wipers/Washer Systems

Wiper/Washer Connector End Views in Wipers/Washer Systems

Heated Oxygen Sensor (HO2S) 1

On the exhaust manifold on the right side of the engine

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Heated Oxygen Sensor (HO2S) 2

In the exhaust pipe, adjacent to the transmission

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

HVAC Control Module

In the I/P center trim panel, beneath the radio

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

HVAC Control Module- Auxiliary

At the rear of the lower console

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Hood Ajar Switch

On the upper left of the radiator support

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

Horn Assembly

In the lower left front of the underhood compartment

Horn Component Views in Horns

Horn Connector End Views in Horns

Horn Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Horn Switch

In the steering wheel

Horn Component Views in Horns

Horn Connector End Views in Horns

I/P Compartment Lamp

Inside the I/P compartment

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Ignition Coil/Module

On top of the valve cover, one for each cylinder

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Ignition Key Alarm Switch

In the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console

Ignition Lock Solenoid

In the steering column

Steering Wheel and Column Component Views in Steering Wheel and Column

Steering Wheel and Column Connector End Views in Steering Wheel and Column

Ignition Switch

On the right side of the steering column

Power and Grounding Component Views

Power and Grounding Connector End Views

Inflatable Restraint Front End Discriminating Sensor-Left

At the left rear of the front frame crossmember

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Front End Discriminating Sensor-Right

At the right rear of the front frame crossmember

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint I/P Module

In the I/P above the I/P compartment

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Beneath the lower console

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Side Impact Module-Left

In the left front door

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Side Impact Module-Right

In the right front door

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Side Impact Sensing Module (SISM)-Left

In the left front seat back

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Side Impact Sensing Module-Right (SISM)

In the right front seat back

SIR Component Views in SIR

SIR Connector End Views in SIR

Inflatable Restraint Steering Wheel Module

In the center hub of the steering wheel

SIR Component Views in SIR

SIR Connector End Views in SIR

Inline Fuse-Auxiliary HVAC

Behind the right rear interior body panel

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Inside Rearview Mirror

Mounted on the inside center of the windshield

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

Instrument Panel Cluster (IPC)

On the left side of the I/P above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages, and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages, and Console

Inverting Driver Module

In the lower console (Olds, 2-wheel drive)

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Intake Air Temperature (IAT) Sensor

In the intake air duct

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Knock Sensor (KS) rear

On the left rear of the engine block behind the A/C compressor

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Knock Sensor (KS)

On the left side of the engine block below the starter motor

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

License Lamp-Left

Above the rear license plate

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

License Lamp-Right

Above the rear license plate

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Liftgate Ajar Switch

Inside the lower liftgate

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Liftgate Module (LGM)

Inside the liftgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Liftglass Ajar Switch

Inside the top of the liftgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Lock Relay

In the fuse block-rear

Electrical Center Identification Views

--

Lower Left Air Temperature Sensor

In the lower left air duct assembly

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Lower Right Air Temperature Sensor

In the lower right air duct assembly

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Manifold Absolute Pressure (MAP) Sensor

Top left of the engine

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Marker Lamp-LF

Olds: To the left of the cornering lamp; Chev, GMC: to the left of the left headlamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Marker Lamp-RF

Olds: To the right of the cornering lamp; Chev, GMC: to the right of the right headlamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Memory Seat Module

Mounted to the underside of the seat

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Microphone

In the upper console

Cellular Communication Component Views in Cellular Communication

Cellular Communication Connector End Views in Cellular Communication

Miniwedge (Door Jamb Switch)-LF

Inside the LF door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Miniwedge (Door Jamb Switch)-LR

Inside the LR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Miniwedge (Door Jamb Switch)-LR

Inside the LR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Miniwedge (Door Jamb Switch)-RR

Inside the RR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Mode Actuator

Behind the I/P, to the left of the I/P center support

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Mode Actuator- Console

Inside the lower console, toward the rear

HVAC Connector End Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Automatic

Mode Actuator - Auxiliary

Behind the right rear interior body panel (Long Wheelbase, Body Type VIN 6)

HVAC Component Views in HVAC Systems - Manual

HVAC Connector End Views in HVAC Systems - Manual

Multi-Function Switch

On the stalk on the left side of the steering column

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Oil Pressure Switch

On the right side of the engine block

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Park Brake Switch

On the park brake assembly

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Park Lamp Relay

In the fuse block-rear

Electrical Center Identification Views

--

Park Switch

In the center console at the lower automatic transmission shift lever assembly

Steering Wheel and Column Component Views in Steering Wheel and Column

Steering Wheel and Column Connector End Views in Steering Wheel and Column

Park/Neutral Position (PNP) Switch

On the lower left side of the transmission

--

Automatic Transmission Related Connector End Views in Automatic Transmission

Park/Turn Signal Lamp-LF

Chev: below the left headlamp; GMC, Olds: to the left of the left headlamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Park/Turn Signal Lamp-RF

Chev: below the right headlamp; GMC, Olds: to the right of the right headlamp

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Passlock Sensor

In the ignition lock cylinder case

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

Powertrain Control Module (PCM)

Mounted to the upper left of the engine

Engine Controls Component Views in Engine Controls - 4.2L

Powertrain Control Module Connector End Views in Engine Controls - 4.2L

Propshaft Speed Sensor -LF

on the LF of the transfer case

Transfer Case Control Component Views in Transfer Case - NVG 266 - NP8

Transfer Case Control Connector End Views in Transfer Case - NVG 266 - NP8

Propshaft Speed Sensor -RR

On the RR of the transfer case

Transfer Case Control Component Views in Transfer Case - NVG 266 - NP8

Transfer Case Control Connector End Views in Transfer Case - NVG 266 - NP8

Radio

In the center of the I/P

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Radio Antenna Module

On the right rear of the headliner

Entertainment Component Views in Entertainment

--

Radio Antenna Buffer

On the left rear of the headliner

Entertainment Component Views in Entertainment

--

Rain Sensor

Attached to the windshield near the inside rearview mirror

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Rear Fog Lamp Relay

In the fuse block-rear

Electrical Center Identification Views

--

Rear Window Defogger Grid

On the inside of the rear window

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

Rear Window Washer Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Recirculation Actuator

Above the blower motor on the right side of the I/P carrier

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Seat Belt Switch-LF

In the seat buckle assembly

Power Seat Component Views in Seat Belts

Power Seat Connector End Views in Seat Belts

Seats Circuit Breaker

in the fuse block-rear

Electrical Center Identification Views

--

Select/Personalization Switch

(With option STW) on the lower right spoke of the steering wheel

--

--

Speaker-LF Door

Inside the LF Door

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Speaker-LF I/P

Under the left side of the I/P upper trim panel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Speaker-LR Door

Inside the LR door

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Speaker-RF Door

Inside the RF door

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Speaker-RF I/P

Under the right side of the I/P upper trim panel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Speaker-RR Door

Inside the RR door

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Splice Pack SP205

Behind the left I/P near the headlamp switch connector

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Splice Pack SP206

In the body harness under the right rear seat beneath the carpet

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Starter Relay

In the fuse block-underhood

Electrical Center Identification Views

--

Steering Wheel Control Assembly

In the steering wheel hub

Entertainment Component Views in Entertainment

Entertainment Component Views in Entertainment

Sunroof Motor

Above the headliner at the rear of the sunroof

Power Roof Systems Component Views in Roof

Power Roof Systems Connector End Views in Roof

Sunroof Switch

In the upper console

Power Roof Systems Component Views in Roof

Power Roof Systems Connector End Views in Roof

Tail lamp Assembly-Left

At the left rear of the vehicle

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Tail Lamp Assembly-Right

At the right rear of the vehicle

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

TCC/Brake Switch

On the brake pedal support

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Throttle Actuator Control (TAC)

Attached to the throttle shaft, part of the throttle body assembly

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Traction Control Switch

In the center of the I/P

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Trailer Connector

Below the center of the rear bumper

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Transfer Case

Bolted to the rear of the transmission

Transfer Case Control Component Views in Transfer Case - NVG 266 - NP8

Transfer Case Control Connector End Views in Transfer Case - NVG 266 - NP8

Transfer Case Shift Control Module

Behind the left lower I/P

Transfer Case Control Component Views in Transfer Case - NVG 266 - NP8

Transfer Case Control Connector End Views in Transfer Case - NVG 266 - NP8

Transfer Case Shirt Control Switch

In the center of the I/P

Transfer Case Control Component Views in Transfer Case - NVG 266 - NP8

Transfer Case Control Connector End Views in Transfer Case - NVG 266 - NP8

Turn Signal/Hazard Flasher Module

Behind the left I/P

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Underhood Lamp

On the underside of the hood, at the left rear

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Unlock Relay

In the fuse block-rear

Electrical Center Identification Views

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Upper Left Air Temperature Sensor

In the upper air duct

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Upper Right Air Temperature Sensor

In the upper air duct

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Vanity Mirror Lamp-LF

In the left sunshade

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Vanity Mirror Lamp-RF

In the right sunshade

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Vehicle Communication Interface Module (VCIM)

Under the right rear seat

Cellular Communication Component Views in Cellular Communication

Cellular Communication Connector End Views in Cellular Communication

Vehicle Speed Sensor (VSS)

Attached to the output shaft at the LR of the transfer case

Engine Controls Component Views in Engine Controls - 4.2L

Engine Controls Connector End Views in Engine Controls - 4.2L

Voice Recorder

In the upper console

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Volume/AM/FM Switch

(Redundant control with option STW) On the upper right spoke of the steering wheel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Wheel Speed Sensor-LF

Attached to the LF wheel hub

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Wheel Speed Sensor-RF

Attached to the RF wheel hub

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Window Motor-Driver

Inside the LF door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Motor-Front Passenger

Inside the RF door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Motor-LR

Inside the LR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Motor-RR

Inside the RR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Switch-LR

Mounted on the interior side of the LR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Switch-RR

Mounted on the interior side of the RR door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Washer Pump-Rear

Attached to the fluid reservoir in the underhood compartment

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Window Wiper Motor-Rear

Inside the tailgate

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Windshield Washer Fluid Level Switch

Mounted on the fluid reservoir in the underhood compartment

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Windshield Washer Fluid Pump

Mounted on the fluid reservoir in the underhood compartment

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Windshield Washer Relay

In the fuse block-underhood

Electrical Center Identification Views

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Windshield Wiper Motor

In the underhood compartment mounted on the cowl

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Windshield Wiper/Washer Switch

Part of the multifunction switch on the stalk on the left side of the steering column

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Wiper Switch - Rear

In the center of the I/P

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

C100 (10 cavities)

In the underhood compartment, to the left of the engine, I/P harness connector to engine harness

Harness Routing Views

Inline Harness Connector End Views

C101 (38 cavities)

In the underhood compartment, to the right of the underhood fuse block, I/P harness connector to chassis harness

Harness Routing Views

Inline Harness Connector End Views

C104 (8 cavities)

At the rear of the engine block near coil #6

Harness Routing Views

Inline Harness Connector End Views

C105 (10 cavities)

Underhood compartment, near underhood fuse block, forward lamp harness connector to I/P harness

Harness Routing Views

Inline Harness Connector End Views

C175 (20 Cavities)

Engine Harness to A/T connector. On the right side of the A/T

Component Location

Automatic Transmission Inline Harness Connector End View

C201 (48 cavities)

At the lower part of the steering column, connecting the steering column harness to the I/P harness

Harness Routing Views

Inline Harness Connector End Views

C202

Lower right I/P area, I/P harness to headliner harness (Diversity Antenna connector for Olds, GMC only)

Harness Routing Views

Inline Harness Connector End Views

C203 (4 cavities)

Lower right side of I/P, I/P harness connector to body connector, yellow SIR connector

Harness Routing Views

Inline Harness Connector End Views

C301 (8 cavities)

Under carpet, rear floor area, I/P harness connector to body harness

Harness Routing Views

Inline Harness Connector End Views

C303 (6 cavities)

I/P harness connector to lower console, in lower console before the inverting driver module (Olds only, 2-wheel drive)

Harness Routing Views

Inline Harness Connector End Views

C304 (16 cavities)

Under the carpet in the rear floor area, I/P harness connector to body harness

Harness Routing Views

Inline Harness Connector End Views

C305 (16 cavities)

Inside the upper console, overhead console harness connector to headliner harness

Harness Routing Views

Inline Harness Connector End Views

C306 (6 cavities)

Under the carpet in the rear floor area, body harness connector to headliner harness

Harness Routing Views

Inline Harness Connector End Views

C307 (18 cavities)

Beneath the lower console, at the rear

Harness Routing Views

Inline Harness Connector End Views

C308 (6 cavities)

Headliner harness connector to sunroof harness, above the left rear door

Harness Routing Views

Inline Harness Connector End Views

C309 (10 cavities)

Long wheelbase, Body Type VIN 6, console harness connector to body harness connector, under the rear of the lower console, near C307

Harness Routing Views

Inline Harness Connector End Views

C310 (2 cavities)

Near the forward part of the transfer case, chassis harness connector to engine harness

Harness Routing Views

Inline Harness Connector End Views

C311 (10 cavities)

Body harness to seat harness, lower front of driver seat

Harness Routing Views

Inline Harness Connector End Views

C312 (16 cavities)

Seat harness to seat back harness, under driver seat

Harness Routing Views

Inline Harness Connector End Views

C313 (6 cavities)

Seat harness to seat motor harness, under driver seat

Harness Routing Views

Inline Harness Connector End Views

C314 (10 cavities)

Body harness to seat harness, lower front of passenger seat

Harness Routing Views

Inline Harness Connector End Views

C315 (16 cavities)

Seat harness to seat back harness, under passenger seat

Harness Routing Views

Inline Harness Connector End Views

C316 (8 cavities)

(A51) Under the passenger seat, connecting the main seat harness to the seat motors

Harness Routing Views

Inline Harness Connector End Views

C401 (12 cavities)

Long wheelbase, Body Type VIN 6, body to rear HVAC module, behind right rear body side panel

Harness Routing Views

Inline Harness Connector End Views

C500 (12 cavities)

Body harness connector to left front door harness, at the midpoint of the leading edge of the door

Harness Routing Views

Inline Harness Connector End Views

C600 (12 cavities)

Body harness connector to right front door harness, at the midpoint of the leading edge of the door

Harness Routing Views

Inline Harness Connector End Views

C700 (17 cavities)

Body harness connector to left rear door harness, at the midpoint of the leading edge of the door

Harness Routing Views

Inline Harness Connector End Views

C800 (17 cavities)

Body harness connector to right rear door harness, at the midpoint of the leading edge of the door

Harness Routing Views

Inline Harness Connector End Views

C900 (6 cavities)

Body harness connector to liftgate harness, at the top of the liftgate

Harness Routing Views

Inline Harness Connector End Views

C901 (2 cavities)

Liftgate harness connector to license lamp harness, inside the liftgate

Harness Routing Views

Inline Harness Connector End Views

G101

Left side of underhood compartment near the front of the underhood fuse block

Harness Routing Views

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G102

Left side of underhood compartment near the rear of the underhood fuse block

Harness Routing Views

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G103

Right side of engine compartment above coolant/washer reservoir

Harness Routing Views

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G104

On the underside of the hood, near the underhood compartment lamp

Harness Routing Views

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G105

In the underhood compartment, on the cowl near the instrument harness pass-through grommet

Harness Routing Views

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G106

On the engine side of the left front wheel well

Harness Routing Views

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G107

On the lower left side of the engine block

Harness Routing Views

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G108

On the lower left side of the engine block

Harness Routing Views

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G109

On the lower left side of the engine block

Harness Routing Views

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G110

On the lower left side of the engine block

Harness Routing Views

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G201

Ground splice pack near the right front of the lower console

Harness Routing Views

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G301

Floor in the tunnel/console area

Harness Routing Views

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G302

On the lower left B-pillar

Harness Routing Views

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G303

On the lower right B-pillar

Harness Routing Views

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G304

On the outside of the left frame rail, near the electronic brake control module

Harness Routing Views

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G305

On the outside of the left frame rail, near the fuel tank

Harness Routing Views

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G306

On the body panel to the rear of the left rear door

Harness Routing Views

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G401

On the lower left D-pillar

Harness Routing Views

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G402

On the lower right D-pillar

Harness Routing Views

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G403

On the left side of the rear frame crossmember

Harness Routing Views

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S103

Forward lamp harness, 8 cm (3 in) from the rear washer pump motor breakout, toward the right turn signal breakout

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--

S105

I/P harness, 4.5 cm (2 in) from C105 breakout, toward the wiper motor breakout

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--

S107

Forward lamp harness, ground circuit, 4.5 cm (2  in) from the left turn signal breakout toward the left headlamp breakout

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--

S113

Forward lamp harness, 20 cm (8 in) from the windshield washer pump breakout, toward the engine cooling fan breakout

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--

S117

I/P harness, 8.5 cm (3.  in) from C100 breakout, toward the breakout for the Fuse Block-Underhood connectors C5 and C6

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--

S133

(CKT 839) In the internal transmission harness before the shift solenoids

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--

S202

I/P harness, 16.5 cm (6.5  in) from the steering column connector breakout toward the DLC breakout

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--

S211

I/P harness, 16 cm (6 in) from the SP201 breakout, toward the DLC

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--

S216

I/P harness, 15.5 cm (6 in) from the recirculation actuator connector toward the main I/P harness

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--

S217

I/P harness, 5 cm (2  in) from the Mode Motor breakout toward the I/P cluster breakout

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--

S230

I/P harness, 5 cm (2 in) from the SP201 breakout, toward the I/P auxiliary power breakout

--

--

S227

(CKT 751) Steering column harness near C201

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--

S232

I/P harness, 10 cm (4 in) from the steering column connector breakout toward the headlamp switch breakout

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--

S239

I/P harness, above the I/P left lower panel; 11 cm from the steering column connector breakout toward the DLC breakout

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--

S271

I/P harness, 14.5 cm (5.5 in) from the I/P compartment lamp breakout, toward the center of the I/P

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S302

5 cm (2 in) from the main harness breakout for C700, toward G302

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--

S303

5 cm (2 in) from the main harness breakout for C800, toward G303

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--

S307

Console harness

--

--

S308

Chassis harness, Envoy only

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--

S311

Under the driver seat 4.5 cm (2 in) from the lumbar switch breakout, toward the body connector

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--

S312

In the main headliner harness, 80 cm (31 in) from C308 breakout, toward the front courtesy/reading lamp

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--

S313

AR9 driver seat motor harness, 17 cm (7 in) from seat module connector C2

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--

S314

AR9 driver seat motor harness, 24 cm (9 in) from seat module connector C2

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--

S317

Under the passenger seat 4.5 cm (2 in) from the lumbar switch breakout, toward the body connector

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--

S318

A51 driver seat main harness, 7 cm (3 in) from the breakout for the body connector, toward the seat back connector

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--

S319

A51 passenger seat main harness 7 cm (3 in) from the breakout for the body connector, toward the seat back connector

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--

S320

I/P harness, 18 cm (7 in) from the A/T shift lever connector breakout, toward the DLC

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--

S322

Headliner harness, 16 cm (6 in) from the ISRVM breakout, toward the right sunshade mirror lamp

--

--

S324

In the lower console harness between the auxiliary HVAC module and C309

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--

S325

In the lower console harness between the auxiliary HVAC module and C309

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--

S326

In the lower console harness between the auxiliary HVAC module and C309

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--

S329

Headliner harness, 25 cm (10 in) from the left sunshade mirror lamp breakout, toward C305

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--

S330

Overhead console harness

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--

S331

Headliner harness, 17  cm (7 in) from the left sunshade mirror lamp breakout, toward C305

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--

S332

Overhead console harness, ground circuit (BLK)

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--

S333

In the headliner harness 13 cm (5 in) from the cargo lamp breakout toward the left quarterglass breakout

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S340

Overhead console harness, supply circuit for garage door opener and travel note recorder (ORN)

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S346

Body harness, 15 cm (6 in) from the breakout for the left front seat, toward C500 (Short Wheelbase, Body Type VIN 3); Body harness, 5 cm (2 in) from the breakout for the left front seat, toward C500 (Long Wheelbase, Body Type VIN 6)

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S347

Body harness, 15 cm (6 in) from the breakout for the right front seat, toward C600 (Short Wheelbase, Body Type VIN 3); Body harness, 5 cm (2 in) from the breakout for the right front seat, toward C600 (Long Wheelbase, Body Type VIN 6)

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--

S350

In the headliner harness 3.5 cm (1.5 in) from the left quarterglass breakout toward the left rear courtesy lamp breakout

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S390

Headliner harness, 26 cm (10 in) from the left front dome/reading lamp, toward the left sunshade mirror lamp

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--

S391

In the headliner harness 6.5 cm (2.5 in) from the left quarterglass breakout toward the cargo lamp breakout

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S401

Body harness, 7.5 cm (3 in) from G401 breakout, toward the left tail lamp (Short Wheelbase, Body Type VIN 3); 10 cm (4 in) from the G401 breakout toward the D-pillar auxiliary power outlet (Long Wheelbase (Body Type VIN 3)

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S402

Body harness, 7.5 cm (3 in) from the G402 breakout, toward the front of the vehicle (Short Wheelbase, Body Type VIN 3); 13 cm (5 in) from G402 (Long Wheelbase, Body Type VIN 6)

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S900

Main liftgate harness, 50 cm (19.5 in) from the liftgate module breakout, toward C900

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S901

Liftgate harness, 22 cm (9 in) from the liftgate module breakout, toward C900

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S902

License lamp harness, ground circuit (BLK)

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S909

License lamp harness, supply circuit (BRN)

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