GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Ashtray Lamp

Inside the ashtray assembly

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Automatic Transaxle Control Position Indicator Bulb

Inside the floor console, near the shifter lever handle

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Backup Lamp

Left of the IP, mounted on the multi-purpose bracket, near the body control module (BCM)

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Backup Lamp Relay

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

Lighting Systems Component Views

Lighting Systems Connector End Views

Body Control Module (BCM)

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

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Center High Mounted Stop Lamp (CHMSL)

Center of the rear window trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Console Compartment Lamp

Front upper compartment of the console assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Console Compartment Lamp Switch

Front upper compartment of the console assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Cornering Lamp

Front of the vehicle, in the headlamp assembly

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Data Link Connector (DLC)

Below the left side of the IP, right of 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 (DRL) Ambient Light Sensor

Top right side of the IP, at the base of the windshield

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamp (DRL) Control Module C1

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

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamp (DRL) Control Module C2

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

Lighting Systems Component Views

Lighting Systems Connector End Views

Dome Lamp

Center of the roof, between the B-pillars

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Courtesy Lamp

Lower rear of the front door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Lock Switch, LH

In the center of the front door panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Switch, RH

In the center of the front door panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Driver Information Display Switch

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

Electronic Brake Control/Electronic Brake Traction Control Module (EBCM/EBTCM)

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

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Traction Control Switch (Part of Seat Heater Switch)

Part of the diver's seat heater switch assembly, on the center console, behind the automatic transmission control lever handle

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Fog Lamp

Front lower side of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp (& Driver Information Display) Switch

Front of the IP, left side of the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Front Side Marker Lamp

Front of the vehicle, in the headlamp assembly

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Fuse Block

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

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Hazard Lamp/Turn Signal Lamp Flasher

Below left side of the IP, mounted on the multi-purpose bracket, near the BCM

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp

Front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Dimmer Switch

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

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Switch

Upper left side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Heater-A/C Control (C60/CJ3)

Center of the IP

HVAC Component Views in HVAC System - Manual

HVAC Connector End Views in HVAC System - Manual

Heater-A/C Control (CJ2)

Center of the IP

HVAC Component Views in HVAC System - Automatic

HVAC Connector End Views in HVAC System - Automatic

High Beam Headlamp

Front of the vehicle, in the headlamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Compartment Lamp Switch

Right side of the compartment opening

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Courtesy Lamp, LH

Below the left side of the IP, in the footwell

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IP Courtesy Lamp, RH

Below the right side of the IP, in the footwell

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Inflatable Restraint Steering Wheel Module Coil

Behind the steering wheel, inside the steering column

SIR Component Views in SIR

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Inside Rearview Mirror (Day-Night)

Top center of the windshield

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

Inside Rearview Mirror (Lighted)

Top center of the windshield

Lighting Systems Component Views

Lighting Systems Connector End Views

Instrument Cluster

Top 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

License Lamp

Rear center of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Low Beam Headlamp

Front of the vehicle, in the headlamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Outside Rearview Mirror

Upper front of the left front or right front door panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Outside Remote Control Rearview Mirror Switch

Left front door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Park Brake Indicator Switch

Below left side of the IP, part of the park brake assembly

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Park Lamp

Rear of the vehicle

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Park/Turn Signal Lamp

Front of the vehicle, in the headlamp assembly

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Powertrain Control Module (PCM) (VIN K and VIN 1)

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

Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls - 3.8L

Powertrain Control Module (PCM) (VIN M)

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

Engine Controls Component Views in Engine Controls - 3.1L

Powertrain Control Module Connector End Views in Engine Controls - 3.1L

Radio

Center of the IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Radio Control Switches

Left side and right side of the inflatable restraint steering wheel module

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Rear Compartment Courtesy Lamp

In the rear compartment, below the center of the rear window trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Compartment Lid Ajar Switch

Mounted to the rear compartment lid, near the latch

Lighting Systems Component Views

Lighting Systems Connector End Views

Rear Side Marker Lamp

Rear of the vehicle, in the rear lamp assembly

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Roof Rail Courtesy Lamp

Mounted to the sides of headliner, above rear door window

Lighting Systems Component Views

Lighting Systems Connector End Views

Roof Rail Courtesy/Reading Lamp

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

Lighting Systems Component Views

Lighting Systems Connector End Views

Seat Adjuster Switch (Driver)

Left side of the driver's seat

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Seat Adjuster Switch (Passenger)

Right side of the passenger's seat

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Seat Belt Switch

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

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Seat Heater Switch (Part of Electronic Traction Control Switch)

Part of the traction control switch assembly, on the center console, behind the automatic transmission control lever handle

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Splice Pack SP205

Below the IP, right side of the steering column

Data Link Communications Component Views in Data Link Communications

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Stop Lamp Switch

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

Lighting Systems Component Views

Lighting Systems Connector End Views

Sunshade Mirror Lamps

On either side of the visor mirror

Lighting Systems Component Views

Lighting Systems Connector End Views

Tail/Stop/Turn Signal Lamp

Rear of the vehicle, in the tail lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Transaxle Range Switch

Left of the engine, on the transaxle

Engine Controls Component Views

Engine Controls Component Views

Engine Controls Connector End Views

Engine Controls Connector End Views

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

On the steering column, behind the steering wheel

Wiper/Washer Component Views in Wiper/Washer Systems

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Underhood Accessory Wiring Junction Block

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Lamp

Right side of the hood

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Window Switch

Center of the door trim panel

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

C101 (20 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C126 (3 cavities)

Engine wiring harness to the engine coolant temperature sensor wiring harness, top front of the engine

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C141 (10 cavities)

Forward lamp to the headlamp connector, behind the left headlamp

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C142 (10 cavities)

Forward lamp to the headlamp connector, behind the right headlamp

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (56 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (48 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C216 (2 cavities)

IP wiring harness to the inflatable restraint IP module wiring harness, the right side of steering column, near the steering column bracket

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C240 (10 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C242 (3 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C252 (32 cavities)

IP wiring harness to the mobile telephone wiring harness, behind the center of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C301 (16 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views

C302 (16 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C351 (10 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C352 (10 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C390 (8 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C401 (6 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C402 (6 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C410 (8 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C915 (4 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G101

Left side of the front end upper tie bar

Harness Routing Views in Wiring Systems

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G200

Behind the right side of the IP compartment

Harness Routing Views in Wiring Systems

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G201

Below the IP, left side of the steering column

Harness Routing Views in Wiring Systems

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G203

Below the IP, right side of the steering column

Harness Routing Views in Wiring Systems

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G301

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

Harness Routing Views in Wiring Systems

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G401

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

Harness Routing Views in Wiring Systems

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G402

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

Harness Routing Views in Wiring Systems

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P100

Lower right side of the dash panel

Harness Routing Views in Wiring Systems

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P101

Upper left side of the dash panel

Harness Routing Views in Wiring Systems

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P401

Rear of the vehicle, in the tail lamp assembly

Harness Routing Views in Wiring Systems

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P402

Rear of the vehicle, in the tail lamp assembly

Harness Routing Views in Wiring Systems

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P430

Lower right side of the rear compartment lid

Harness Routing Views in Wiring Systems

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P500

Left A-pillar

Harness Routing Views in Wiring Systems

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P600

Right A-pillar

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P700

Left B-pillar

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P800

Right B-pillar

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P915

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

Harness Routing Views in Wiring Systems

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P932

Lower right side of the rear compartment lid

Harness Routing Views in Wiring Systems

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S124

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

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S202

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

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S203

IP wiring harness, right side of the steering column, approximately 29 cm (11 in) from the instrument cluster breakout

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S205

IP wiring harness, near the steering column, approximately 8 cm (3 in) from the C201 breakout

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S211

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

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S214

IP wiring harness, right side of the steering column, approximately 7 cm (3 in) from the instrument cluster breakout

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S221

IP wiring harness, right side of the steering column, approximately 23 cm (9 in) from the instrument cluster breakout

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S230

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

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S233

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

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S234

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

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S241

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

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S242

IP wiring harness, lower dash below the radio, approximately 23 cm (10 in) from the radio breakout

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S267

IP wiring harness, right side of the IP below the IP compartment, approximately 11 cm (4 in) from the G200 breakout

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S270

IP wiring harness, behind the right side of the IP, approximately 4 cm (2 in) from the blower motor control module

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S277

IP wiring harness, right side of the steering column near C201, approximately 23 cm (10 in) from the radio breakout

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S283

IP wiring harness, left side of the steering column, approximately 4 cm (2 in) from the headlamp switch breakout

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S291

IP wiring harness, right side of the steering column, approximately 5 cm (2 in) from the G203 breakout

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S292

IP wiring harness, right side of the steering column, approximately 6 cm (2 in) from the G203 breakout

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S295

Ashtray jumper wiring harness, inside the ashtray, approximately 5 cm (2 in) from C242

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S302

Body wiring harness, right outside floor, under the passenger seat, approximately 33 cm (13 in) from the C312 breakout

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S303

Body wiring harness, on the floor, under the driver's seat, approximately 10 cm (4 in) from the C311 breakout

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S320

Body wiring harness, on the floor, under the passenger's seat, approximately 20 cm (7 in) from the C312 breakout

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S321

Body wiring harness, right side of the floor, near the pillar, approximately 10 cm (4 in) from the seat breakout

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S322

Body wiring harness, floor, under the passenger's seat, approximately 7 cm (3 in) from the C312 breakout

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S335

Front floor console wiring harness, inside the console, approximately 7 cm (3 in) from the accessory power receptacle breakout

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S384

Quarter courtesy and reading lamp wiring harness, left side of the windshield header, approximately 25 cm (10 in) from the left sunshade mirror

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S385

Quarter courtesy and reading lamp wiring harness, approximately 5 cm (2 in) from the right sunshade mirror breakout

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S386

Quarter courtesy and reading lamp wiring harness, approximately 35 cm (14 in) from the C390 breakout

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S387

Quarter courtesy and reading lamp wiring harness, the right rear headliner near the B-pillar, approximately 5 cm (2 in) from the C390 breakout

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S402

Right tail lamp wiring harness, approximately 3 cm (1 in) from P402

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S403

Left tail lamp wiring harness, approximately 3 cm (1 in) from P401

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S406

Body wiring harness, inside near right side of the trunk, approximately 4 cm (2 in) from the right radio speaker breakout

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S410

Body wiring harness, left floor, under the rear seat, approximately 7 cm (3 in) from the C405 breakout

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S414

Body wiring harness, inside the near right side of the trunk, approximately 5 cm (2 in) from the C420 breakout

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S415

Backup lamp wiring harness, in the rear compartment lid, approximately 17 cm (7 in) from P415

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S417

CHMSL wiring harness, center of the rear window trim panel, approximately 12 cm (5 in) from the center high mounted stop lamp breakout

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S424

Body wiring harness, left floor, under the rear seat, approximately 6 cm (2 in) from the P372 breakout

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S431

Left tail lamp wiring harness, approximately 5 cm (2 in) from P401

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S432

Right tail lamp wiring harness, approximately 5 cm (2 in) from P402

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S504

Left front door wiring harness, in the left front door, approximately 8 cm (3 in) from the window switch breakout

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S506

Left front door wiring harness, in the left front door, approximately 15 cm (6 in) from the window switch breakout

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S604

Right front door wiring harness, in the right front door, approximately 8 cm (3 in) from the window switch breakout

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S606

Right front door wiring harness, in the right front door, approximately 14 cm (6 in) from the window switch breakout

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S905

Rear compartment lid wiring harness, the rear compartment lid, approximately 7 cm (3 in) from P915

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S919

Backup lamp wiring harness, in the rear compartment lid, approximately 23 cm (9 in) from P915

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S930

Rear deck lid wiring harness, in the rear compartment lid, approximately 38 cm (15 in) from P432

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