GM Service Manual Online
For 1990-2009 cars only

Name

Location

A/C Compressor Clutch Coil

Part of the A/C compressor, lower right front of the engine

A/C Pressure Sensor

Between Condensor and Evaporator on line

Accessory Power Receptacle

Right front side of the console

Accessory Time Delay (RAP) Relay

Behind the IP compartment, attached to the underside of the cross-car beam

Ashtray Lamp

Inside the ashtray assembly

Automatic Transaxle

Left side of the engine compartment

Automatic Transaxle Control

Center of the console assembly

Automatic Transaxle Control Lever Handle

Center of the console assembly

Automatic Transaxle Control Position Indicator Bulb

Inside the floor console, near the shifter lever handle

Automatic Transaxle Shift Lock Control Actuator

In the column shift

Backup Lamp

Rear of the vehicle

Backup Lamp Relay

Left side of the IP, mounted on multipurpose bracket, near the body control module (BCM)

Battery

Right side of the engine compartment, next to the windshield washer solvent container filler neck

Blower Motor Control Module

Behind the right side of the IP, in the right side of the HVAC module

Blower Motor Resistor

Behind the right side of the IP, in the right side of the HVAC module

Body Control Module (BCM)

Below the left side of the IP, left of the steering column

Brake Fluid Level Indicator Switch

Mounted in the right side of the brake fluid reservoir

Center High Mounted Stop Lamp (CHMSL)

Center of the rear window trim panel

Cigar Lighter (Housing)

Inside the ashtray, in the center of the IP

Cigar Lighter (Housing) (DO6,DO7)

Front lower compartment of the console assembly

Console Compartment Lamp

Front upper compartment of the console assembly

Data Link Connector (DLC)

Below the left side of the IP, right of the steering column

Door Lock (Ajar Indicator Switch)

Rear of the door panel

Door Lock (Actuator Motor)

Rear of the door panel

Door Lock Switch, LH

In the center of front door panel

Door Lock Switch, RH

In the center of front door panel

Driver Information Display Switch

Part of the fog lamp switch, front of the IP, left side of the steering column

Air Temperature Actuator-Left (CJ2,CJ3)

Left side of the HVAC module

Air Temperature Actuator-Right (CJ2,CJ3)

Right side of the HVAC module

Air Temperature Actuator-Front (CJ4)

Left side of the HVAC module

Air Temperature Actuator-Rear(CJ4)

Right side of the HVAC module

Electronic Brake Control Module (EBCM)

Left rear side of the engine compartment, near the left strut tower

Engine Coolant Fan Motor (LH)

Mounted on the left side of the radiator

Engine Coolant Fan Motor (RH)

Mounted on the right side of the radiator

Engine Coolant Level Indicator Module

Mounted on the right side of the radiator

Engine Oil Level Indicator Switch

In the oil pan, lower front center

Engine Oil Pressure Indicator Switch

Front of the engine, above the starter

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve

Top rear of the engine, behind the ignition control module

Fog Lamp

Front lower side of the vehicle

Rear Fog Lamps

Rear lower side of the vechicle

Fog Lamp (& Driver Information Display) Switch

Front of the IP, left side of the steering column

Fuel Injectors

Top of the engine, at each intake port

Fuse Block-IP

Right side of the IP, in the right front door opening

Fusible Links

Front of the engine, on the starter assembly

Generator

Top rear right side of the engine

Hazard Lamp/Turn Signal Lamp Flasher

Below the left side of the IP, mounted on the multipurpose bracket, near the BCM

Headlamp

Front of the vehicle

Headlamp Dimmer Switch

Part of the turn signal switch, in the left side of the steering column

Headlamp Switch

Upper left side of the IP

Heated Oxygen Sensor 1 (HO2S 1)

In the rear bank exhaust manifold, behind the center of the engine

HVAC Control (CJ3,CJ2)

Center of the IP

Front HVAC Control Accessembly (CJ4)

Center of the IP

Rear HVAC Control Accessembly (CJ4)

In Rear Center Console

Horns

Behind the right front fascia, mounted to the frame rail extension

IP Compartment Lamp Switch

Right side of the compartment opening

Ignition Control Module (ICM)

Top rear of the engine

Ignition Key Alarm Switch

Inside the steering column, part of the ignition key cylinder

Ignition Switch

Inside the steering column

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Below the carpet, under the right front seat

Inside Rearview Mirror (Day-Night)

Top center of the windshield

Inside Rearview Mirror (Lighted)

Top center of the windshield

Instrument Cluster

Top of the IP, above the steering column

License Lamp

Rear center of the vehicle on decklid

Mass Air Flow (MAF) Sensor

Left front of the engine, in the air cleaner duct

Drivers Outside Rearview Mirror

Upper front of the Left front door panel

Passenger Outside Rearview Mirror

Upper front of the Right front door panel

Drivers Outside Rearview Mirror Day/Night

Upper front of the Left front door panel

Passenger Outside Rearview Mirror Day/Night

Upper front of the Right front door panel

Outside Remote Control Rearview Mirror Switch

Left front door trim panel

Park Lamp

Rear of the vehicle

Park/Neutral Position (PNP) Switch

Left of the engine, on the transaxle

Powertrain Control Module (PCM)

Front left side of the engine, inside the air cleaner assembly

Radio

Center of the IP

Radio Antenna Module

Mounted to the rear window header panel, behind the headliner

Rear Compartment Lid Ajar Switch

Mounted to the rear compartment lid, near the latch

Rear Compartment Lid Lock Release Actuator

Mounted to the rear compartment lid, near the latch

Rear Compartment Lid Release Relay

Behind the IP compartment, attached to the underside of the cross-car beam

Rear Side Marker Lamp

Rear of the vehicle, in the rear lamp assembly

Rear Window Antenna Grid

Rear window top

Rear Window Defogger Grid

On the rear window

Rear Window Defogger Relay

Behind the IP compartment, attached to the underside of the cross-car beam

Remote Control Door Lock Receiver (RCDLR)

Left side of the IP, on the shelf, behind the instrument cluster

Roof Rail Courtesy/Reading Lamp

Mounted to the sides of the headliner, above the rear door window

Seat Adjuster Switch (Driver)

Left side of the driver's seat

Seat Adjuster Switch (Passenger)

Right side of the passenger's seat

Seat Belt Switch

Part of the driver seat belt, inside the right half of the driver's seat belt (buckle side)

Seat Front Vertical Adjuster Actuator Motor

Below the driver's seat, attached to the seat track

Seat Horizontal Adjuster Actuator Motor

Below the diver's seat, attached to the seat track

Seat Rear Vertical Adjuster Actuator Motor

Below the driver's seat, attached to the seat track

Splice Pack SP205

Below the IP, right side of the steering column

Starter

Lower front of the engine

Steering Column Electric Park Lock

Inside the steering column, near the ignition key cylinder

Stop Lamp Switch

Below the left side of the IP, in the right side of the brake pedal bracket

Sunroof Module (Express Open)

Right rear corner of the sunroof module

Sunshade Mirror Lamps

On either side of the visor mirror

Tail/Stop/Turn Signal Lamp

Rear of the vehicle, in the tail lamp assembly

Turn Signal Switch (and Headlamp Dimmer and Windshield Wiper and Windshield Washer)

Inside the steering column,part of multi function switch

Underhood Accessory Wiring Junction Block

Right side of the engine compartment, mounted to the strut tower

Vacuum Electric Solenoid (HVAC)

Behind the IP compartment, on the right side of the heater-A/C module

Window Switch

Center of the door trim panel

Windshield Washer Pump

Front right side of the engine compartment, in the windshield washer solvent container

Windshield Washer Solvent Container

Front right side of the engine compartment

Windshield Wiper Motor

Left front of the cowl, below the air inlet screen

Windshield Wiper/Washer Switch

Part of the turn signal switch, inside the left side of the steering column

C101 (20 cavities)

IP wiring harness to the engine wiring harness, left side of the engine compartment, on the strut tower

C105 (4 cavities)

Engine wiring harness to the engine coolant fan wiring harness, on the radiator right cooling fan

C113 (20 cavities)

Engine wiring harness to the automatic transaxle wiring harness, left side of the engine compartment, top of the transaxle

C141 (10 cavities)

Forward lamp to the headlamp connector, behind the left headlamp

C142 (10 cavities)

Forward lamp to the headlamp connector, behind the right headlamp

C200 (56 cavities)

IP wiring harness to the body wiring harness, behind the right side of the IP

C201 (48 cavities)

IP wiring harness to the steering column wiring harness, behind the IP, on the right side of the steering column

C205 (4 cavities)

IP wiring harness to the inflatable restraint steering wheel module coil wiring harness, behind the IP, on the right side of the steering column

C206 (3 cavities)

Power drop connector, IP wiring harness to body wiring harness, behind the right side of the IP, near C200

C240 (10 cavities)

IP wiring harness to the front floor console wiring harness, in the console, behind the console shift (GS)

C242 (3 cavities)

IP wiring harness to the ashtray wiring harness, behind the ashtray

C301 (16 cavities)

Body wiring harness to the left front door wiring harness, in the A-pillar

C302 (16 cavities)

Body wiring harness to the right front door wiring harness, in the A-pillar

C311 (6 cavities)

Body wiring harness to the driver seat adjuster wiring harness, below the driver seat

C312 (6 cavities)

Body wiring harness to the passenger seat adjuster wiring harness, below the passenger seat

C351 (10 cavities)

Body wiring harness to the left rear door wiring harness, in the B-pillar

C352 (10 cavities)

Body wiring harness to the right rear door wiring harness, in the B-pillar

C390 (8 cavities)

Body wiring harness to the quarter courtesy and reading lamp wiring harness, right rear, on top of shelf panel

C395 (2 cavities)

Body wiring harness to the rear window antenna wiring harness, rear compartment under the right side of the rear shelf trim panel

C398 (3 cavities)

Body wiring harness to the sun roof wiring harness, behind the right C-pillar trim panel

C401 (6 cavities)

Body wiring harness to the left tail lamp wiring harness, in the rear compartment, behind the tail lamp

C402 (6 cavities)

Body wiring harness to the right tail lamp wiring harness, in the rear compartment, behind the tail lamp

C405 (8 cavities)

Body wiring harness to the fuel level sensor wiring harness, rear compartment floor, forward of the spare tire well

C410 (8 cavities)

Body wiring harness to the rear compartment lid wiring harness, right side of the trunk, above the wheel well

C420 (2 cavities)

Body wiring harness to the high-mounted stop lamp wiring harness, in the rear compartment, under the center of the rear window trim panel

C915 (4 cavities)

Rear compartment lid wiring harness to the backup lamp wiring harness, in the center of the rear compartment lid applique

G100

Right side of the engine compartment, at the base of the battery

G101

Left side of the front end upper tie bar

G102

Right side of the front end upper tie bar

G111

Lower left front of the engine, on the transaxle stud, left of the starter

G113

Lower left front of the engine, on the transaxle stud, left of the starter

G117

Lower left front of the engine, on the transaxle stud, above the starter

G119

Left side of the engine compartment, at the base of the left strut tower

G200

Behind the right side of the IP compartment

G201

Below the IP, left side of the steering column

G203

Below the IP, right side of the steering column

G301

Inside the left door sill, forward of the left front seat

G401

Inside the rear compartment, below the left side of the rear window trim panel

G402

Inside the rear compartment, below the right side of the rear window trim panel

P100

Lower right side of the dash panel

P101

Upper left side of the dash panel

P103

Upper left side of the dash panel

P401

Rear of the vehicle, in the tail lamp assembly

P402

Rear of the vehicle, in the tail lamp assembly

P425

Left side of the rear compartment, in the rear of the left rear wheelhouse

P430

Lower right side of the rear compartment lid

P500

Left A-pillar

P600

Right A-pillar

P700

Left B-pillar

P800

Right B-pillar

P915

Right side of the license plate, behind the rear compartment lid applique

S105

Engine wiring harness, front of the engine compartment, approximately 4 cm (2 in) from the C105 (engine coolant fan jumper connector) breakout

S106

Engine wiring harness, left side of the engine compartment, approximately 7 cm (3 in) from the PCM breakout

S109

Fuel injector wiring harness, top of the engine, approximately 2 cm (1 in) from the fuel injector 2 breakout

S124

Forward lamp wiring harness, below the left headlamp, approximately 7 cm (3 in) from the left headlamp breakout

S167

Engine wiring harness, left side of the engine compartment , approximately 4 cm (2 in) front the PCM breakout

S202

IP wiring harness, right side of the steering column, approximately 19 cm (8 in) from the radio breakout

S211

IP wiring harness, right side of the steering column, approximately 20 cm (8 in) from the instrument cluster breakout

S220

IP wiring harness, right side of the steering column, approximately 18 cm (7 in) from the G200 breakout

S228

IP wiring harness, right side of the dash, under the IP compartment, approximately 24 cm (10 in) from the G200 breakout

S230

IP wiring harness, approximately 18 cm (7 in) from the radio breakout

S233

IP wiring harness, behind the center of the IP, approximately 4 cm (2 in) from the radio breakout

S234

IP wiring harness, right side of the steering column, approximately 13 cm (5 in) from the instrument cluster breakout

S240

IP wiring harness, right side of the steering column near C201, approximately 1 cm (0.5 in) from the splice pack SP205 breakout

S241

IP wiring harness, lower dash below the radio, approximately 15 cm (6 in) from the radio breakout

S249

IP wiring harness, near the steering column, approximately 4 cm (2 in) from the C201 breakout

S930

Rear deck lid wiring harness, in the rear compartment lid, approximately 38 cm (15 in) from P430