GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Backup Lamps Switch (Manual)

At the top of the transmission

Lighting Systems Component Views

Lighting Systems Connector End Views

Brake Switch

At the left lower instrument panel below the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Convenience Center

At the right front of the passenger compartment

Horn Component Views in Horns

Horn Connector End Views in Horns

Daytime Running Lamps Relay

At the left fuse block

Power and Grounding Component Views in Wiring Systems

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Dome Lamp

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp Cutoff Relay

At the back of the front impact bar

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp Relay

At the back of the front impact bar

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp Switch

At the instrument panel trim plate

Lighting Systems Component Views

Lighting Systems Connector End Views

Fuse Block

At the left end of the tie bar

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

High Mounted Stop Lamp Assembly

On the rear package shelf

Lighting Systems Component Views

Lighting Systems Connector End Views

IP Compartment Lamp

On the right side of the instrument panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Instrument Panel Cluster

At the left side of the instrument panel

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

Left Backup Lamp

At the rear compartment lid

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Backup Lamp (Pontiac Sedan)

On the rear fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Courtesy Lamp

At the left rear quarter panel (folding top)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Courtesy/Reading Lamp

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Courtesy/Reading Lamp Switch

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Fog Lamp

At the left lower front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Front Auxiliary Turn Lamp

At the left front fender

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Front Door Jamb Switch

At the left front door jamb (right switch similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Front Marker Lamp

At the left front fascia (right lamp similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Front Park/Turn Lamp

At the left front fascia (right lamp similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Headlamp Assembly

In the left front fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Rear Door Jamb Switch

At the left rear door (right switch similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Side Marker Lamp

At the left side of the rear bumper (right lamp similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Left Tail/Stop/Turn Lamp

At the top of the rear compartment lid

Lighting Systems Component Views

Lighting Systems Connector End Views

License Lamp

On the rear compartment lid

Lighting Systems Component Views

Lighting Systems Connector End Views

Luggage Compartment Lamp

At the center of the luggage compartment

Lighting Systems Component Views

Lighting Systems Connector End Views

Multi-Function Alarm Module

At the right front of the passenger compartment

Horn Component Views in Horns

Horn Connector End Views in Horns

Panel Dimmer Switch

On the left side of the instrument panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Park/Neutral Position Switch

At the left rear of the transmission

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Rear View Mirror Courtesy Lamps

On the bottom of the rear view mirror

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Backup Lamp

On the rear deck lid

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Backup Lamp (Pontiac Sedan)

On the rear fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Courtesy Lamp

On the right rear quarter panel (folding top)

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Courtesy/Reading Lamp

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Courtesy/Reading Lamp Switch

In the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Front Auxiliary Turn Lamp

On the right front fender

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Front Door Jamb Switch

At the right front door jamb (left switch similar)

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Right Front Fog Lamp

At the right lower front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Front Park/Turn lamp

At the right front fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Front Marker Lamp

In the right front fascia (left lamp similar)

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Headlamp Assembly

In the right front fascia

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Rear Door Jamb Switch

At the right rear door jamb

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Right Tail/Stop/Turn Lamp

On top of the rear deck lid

Lighting Systems Component Views

Lighting Systems Connector End Views

Right Rear Side Marker Lamp

On the right side of the rear bumper

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn/Hazard Flasher

At the left lower instrument panel near the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn/Hazard Headlamp Switch Assembly

At the left side of the steering column

Lighting Systems Component Views

Lighting Systems Connector End Views

C100 (38 cavities)

At the left rear side of the engine compartment

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101 (15 cavities)

At the left rear side of the engine compartment

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (23 cavities)

At the left front of the passenger compartment

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (8 cavities)

At the left side of the instrument panel

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202 (6 cavities)

Left side of the tie bar, near the fuse block

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102

At the left rear of the engine compartment

Power and Grounding Component Views in Wiring Systems

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G103

At the left rear of the engine compartment

Power and Grounding Component Views in Wiring Systems

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G105

Left side of the engine compartment

Power and Grounding Component Views in Wiring Systems

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G204

At the steering column support bracket

Power and Grounding Component Views in Wiring Systems

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G302

At the right front of the passenger compartment

Power and Grounding Component Views in Wiring Systems

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G304

At the left front of the passenger compartment

Power and Grounding Component Views in Wiring Systems

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P201

At the left lower instrument panel below the steering column

Power and Grounding Component Views in Wiring Systems

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P400

At the rear bumper

Power and Grounding Component Views in Wiring Systems

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S115

In the forward lamp harness approximately 50 cm (20 in) from C101

Harness Routing Views in Wiring Systems

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S117

In the forward lamp harness approximately 44 cm (17 in) from C101

Harness Routing Views in Wiring Systems

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S118

In the forward lamp harness approximately 29 cm (11 in) from C101

Harness Routing Views in Wiring Systems

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S119

In the forward lamp harness approximately 33 cm (13 in) from the horn

Harness Routing Views in Wiring Systems

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S122

In the forward lamp harness approximately 52.5 cm (21 in) from the horn connector

Harness Routing Views in Wiring Systems

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S151

In the forward lamp harness approximately 12.5 cm (5 in) from C101

Harness Routing Views in Wiring Systems

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S152

In the forward lamp harness approximately 12.5 cm (5 in) from C101

Harness Routing Views in Wiring Systems

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S153

In the forward lamp harness approximately 95.5 cm (37.5 in) from C101

Harness Routing Views in Wiring Systems

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S154

In the forward lamp harness approximately 95.5 cm 937.5 in) from C101

Harness Routing Views in Wiring Systems

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S200

In the dash harness approximately 41.5 cm (16 in) from P201

Harness Routing Views in Wiring Systems

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S203

In the dash harness approximately 29 cm (11 in) from the electronic brake control module connector C1

Harness Routing Views in Wiring Systems

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S205

In the dash harness approximately 51 cm (20 in) from P201 toward the instrument panel cluster

Harness Routing Views in Wiring Systems

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S206

In the dash harness approximately 21.5 cm (8.5 in) from P201 toward the instrument cluster connectors

Harness Routing Views in Wiring Systems

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S209

In the dash harness approximately 71 cm (28 in) from P201 toward the data link connector

Harness Routing Views in Wiring Systems

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S216

In the dash harness approximately 15 cm (6 in) from P201 toward the instrument cluster connectors

Harness Routing Views in Wiring Systems

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S219

In the dash harness approximately 30 cm (12 in) from P201 toward the instrument cluster connectors

Harness Routing Views in Wiring Systems

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S220

In the dash harness approximately 36.5 cm (14 in) from P201 toward the instrument cluster connectors

Harness Routing Views in Wiring Systems

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S222

In the dash harness approximately 47.5 cm (18.5 in) from the instrument panel compartment lamp connector

Harness Routing Views in Wiring Systems

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S231

In the lamp dimmer harness approximately 16 cm (6 in) from C201

Harness Routing Views in Wiring Systems

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S240 (Chevrolet only)

In the forward lamp harness approximately 36.5 cm (14 in) from C101

Harness Routing Views in Wiring Systems

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S241 (Chevrolet Only)

In the forward lamp harness approximately 32.5 cm (13 in) from C102

Harness Routing Views in Wiring Systems

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S243 (Pontiac Only)

In the forward lamp harness approximately 32.5 cm (14 in) from C101

Harness Routing Views in Wiring Systems

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S244

In the forward lamp harness approximately 56.6 cm (22 in) from C101

Harness Routing Views in Wiring Systems

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S246

In the dash harness approximately 25.5 cm (11 in) from P201 toward the column switches

Harness Routing Views in Wiring Systems

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S300

In the body harness approximately 102 cm (40 in) from P600 rearward

Harness Routing Views in Wiring Systems

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S300 (Folding Top)

In the body harness approximately 102 cm (40 in) from P600 rearward

Harness Routing Views in Wiring Systems

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S302 (Coupe)

In the body harness approximately 257 cm (101 in) from P500 rearward

Harness Routing Views in Wiring Systems

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S303 (Coupe)

In the body harness approximately 70 cm (27.5 in) from P600

Harness Routing Views in Wiring Systems

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S304

In the body harness approximately 137 cm (54 in) from P500 rearward

Harness Routing Views in Wiring Systems

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S305 (Coupe)

In the body harness approximately 102 cm (40 in) from the seat belt switch connector toward the left front of the vehicle

Harness Routing Views in Wiring Systems

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S305 (Folding Top)

In the body harness approximately 108.5 cm (43 in) from the seat belt switch connector toward the left rear of the vehicle

Harness Routing Views in Wiring Systems

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S305 (Sedan)

In the body harness approximately 41.5 cm (16 in) from the seat belt switch connector toward the right side of the car

Harness Routing Views in Wiring Systems

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S330

In the body harness approximately 143 cm (56 in) from the left tail/stop lamp connector forward

Harness Routing Views in Wiring Systems

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S331

In the body harness approximately 113 cm (45 in) from P600 rearward

Harness Routing Views in Wiring Systems

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S331 (Folding Top)

In the body harness approximately 113 cm 122.5 cm (48 in) from P600

Harness Routing Views in Wiring Systems

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S350

In the headliner harness approximately 105 cm (41 in) from the dome lamp connector

Harness Routing Views in Wiring Systems

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S351

In the headliner harness approximately 46 cm (18 in) from the dome lamp connector

Harness Routing Views in Wiring Systems

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S352

In the headliner harness approximately 56 cm (22 in) from the dome lamp connector

Harness Routing Views in Wiring Systems

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S353

In the headliner harness approximately 36 cm (14 in) from the dome lamp connector

Harness Routing Views in Wiring Systems

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S400

In the body harness approximately 86 cm (34 in) from the left tail/stop lamp connector forward

Harness Routing Views in Wiring Systems

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S400 (Folding Top)

In the body harness approximately 59 cm (23 in) from the right backup lamp connector

Harness Routing Views in Wiring Systems

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