GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Backup Lamp Switch (Manual Transaxle)

Left side of the engine compartment, on top of the transaxle

Lighting Systems Component Views

Lighting Systems Connector End Views

Center High-Mounted Stoplamp (CHMSL)

Bottom of the rear window

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Lighting Systems Connector End Views

Daytime Running Lamps (DRL) Control Module

Behind the left side of the IP

Lighting Systems Component Views

Lighting Systems Connector End Views

Diode Module

Behind the center IP, taped to the IP harness

Lighting Systems Component Views

Engine Controls Connector End Views in Engine Controls

Illumination Controller

In the IP, left of the steering column

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Lighting Systems Connector End Views

Instrument Panel Cluster Assembly

Left side of the IP

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

Junction Block

Behind the left side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

LH Front Door Jamb Switch

Frame of the left front door, in the lower rear of the corner

Lighting Systems Component Views

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Luggage Compartment Lamp (4-Door)

Center of the luggage compartment, under the rear window shelf

Lighting Systems Component Views

Lighting Systems Connector End Views

Luggage Compartment Lamp Switch (4-Door)

Center rear of the luggage compartment, mounted to the striker of the deck lid

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Park Brake Switch

Passenger compartment, behind the manual selector

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

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Radio

Center of the IP

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Entertainment Connector End Views in Entertainment

Rear Defogger Switch

In the IP, to the left of the steering column

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Stationary Windows Connector End Views in Stationary Windows

Rear Wiper/Washer Switch (2-Door LSi)

In the IP, to the left of the steering column

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Wiper/Washer Connector End Views in Wipers/Washer Systems

Relay Box

Left front engine compartment, near the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Stoplamp Switch

Top of the brake pedal

Lighting Systems Component Views

Lighting Systems Connector End Views

Transaxle Range Switch (Automatic Transaxle)

Left side of the engine compartment, mounted to the top of the transaxle

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Automatic Transmission Connector End Views in Automatic Transmission

Turn Signal/Combination Switch

On the steering column

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Lighting Systems Connector End Views

C112 (16 Cavities)

Main harness to the engine harness, on the right rear side of the engine compartment, near the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (12 Cavities)

Main harness to the IP harness, behind the left IP, near the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (14 Cavities)

Main harness to the floor harness, behind the left side of the IP, near the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (13 Cavities)

IP harness to the floor harness, behind the left side of the IP, near the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C207 (3 Cavities)

IP harness to the dome lamp harness, on the right side of the upper cowl

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C400 (10 Cavities) (4-Door)

Floor harness to the harness of the luggage compartment, on the left front side of the luggage compartment, near the left rear speaker

Harness Routing Views in Wiring Systems

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C402 (6 Cavities) (2-Door)

Floor harness to the lift-gate harness, in the right rear corner

Harness Routing Views in Wiring Systems

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G102

Left front side of the engine compartment, on the inside of the left front fender, near the battery

Harness Routing Views in Wiring Systems

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G103

Right front side of the engine compartment on the right front side of the inner fender

Harness Routing Views in Wiring Systems

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G201

Behind the left side of the knee bolster

Harness Routing Views in Wiring Systems

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G202

Right side of the center IP, behind the radio

Harness Routing Views in Wiring Systems

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G203

Junction block case ground, under the left side of the IP

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G400 (2-Door)

Rear center of the luggage compartment

Harness Routing Views in Wiring Systems

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(4-Door)

Rear center of the luggage compartment

Harness Routing Views in Wiring Systems

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G401 (2-Door)

Center of the liftgate, near the rear wiper motor

Harness Routing Views in Wiring Systems

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P200

Left rear engine compartment, on the bulkhead, near the brake master cylinder

Harness Routing Views in Wiring Systems

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P400

Left rear side of the luggage compartment

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P401

Right rear of the luggage compartment

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P402

Center rear side of the luggage compartment

Harness Routing Views in Wiring Systems

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P403 (2-Door)

Upper right side of the liftgate

Harness Routing Views in Wiring Systems

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S100

Main harness, approximately 10 cm (4 in) from the breakout of G103

Harness Routing Views in Wiring Systems

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S102

Main harness, approximately 8 cm (3.1 in) from the breakout of G102

Harness Routing Views in Wiring Systems

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S104

Main harness, approximately 13 cm (5.1 in) from the breakout of the brake fluid level switch

Harness Routing Views in Wiring Systems

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S105

Main Harness, approximately 6 cm (2.4 in) from the breakout of the Relay Box

Harness Routing Views in Wiring Systems

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S107

Main Harness, approximately 22 cm (8.8 in) from P200

Harness Routing Views in Wiring Systems

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S113

Main harness, approximately 6 cm (2.4 in) from the G102 breakout

Harness Routing Views in Wiring Systems

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S117

Main harness, at the G103 breakout

Harness Routing Views in Wiring Systems

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S154 (Automatic Transaxle)

Engine Harness, approximately 9 cm (3.6 in) from P202

Harness Routing Views in Wiring Systems

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S162

Engine harness, approximately 10 cm (4 in) from P202

Harness Routing Views in Wiring Systems

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S202

Main harness, approximately 8 cm (3.125 in) from the breakout of connector C6 of the junction block

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S204

Main harness, approximately 8 cm (3.125 in) from the breakout of connector C5 of the junction block

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S205

Main harness, approximately 1 cm (0.375 in) from P200

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S206 (With ABS)

Main harness, approximately 22 cm (9 in) from the stoplamp switch connector breakout

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S207

Main harness, approximately 12 cm (5 in) from the G201 breakout

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S209

Main harness, approximately 2 cm (1 in) from the G201 breakout

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S210

Main harness, approximately 15 cm (6 in) from C208

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S217

IP harness, at the C200 breakout

Harness Routing Views in Wiring Systems

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S218

IP harness, approximately 3 cm (1.19 in) from the breakout of IP cluster assembly connector C3

Harness Routing Views in Wiring Systems

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S219

IP Harness, approximately 3 cm (1.19 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S221

IP harness, approximately 7 cm (3 in) from the breakout of IP cluster assembly connector C2

Harness Routing Views in Wiring Systems

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S222

IP harness, approximately 6 cm (2.375 in) from the breakout of the data link connector

Harness Routing Views in Wiring Systems

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S223

Main harness, approximately 10 cm (4 in) from P200

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S228

IP harness, at the C200 breakout

Harness Routing Views in Wiring Systems

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S229

IP harness, approximately 4 cm (2 in) from the breakout of the IP cluster assembly connector C1

Harness Routing Views in Wiring Systems

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S230

IP harness, approximately 13 cm (5.125 in) from the breakout of the IP cluster assembly connector C3

Harness Routing Views in Wiring Systems

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S235

IP harness, approximately 5 cm (2 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S236

IP harness, approximately 8 cm (3.125 in) from the breakout of the IP cluster assembly connector C3

Harness Routing Views in Wiring Systems

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S238

IP harness, approximately 3 cm (1.19 in) from the breakout of the blower motor connector

Harness Routing Views in Wiring Systems

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S239

IP harness, approximately 11 cm (4.313 in) from the breakout of IP cluster assembly connector C3

Harness Routing Views in Wiring Systems

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S241

IP harness, approximately 5 cm (2 in) from the breakout of IP cluster assembly connector C3

Harness Routing Views in Wiring Systems

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S242

IP harness, at the breakout of IP cluster assembly connector C3

Harness Routing Views in Wiring Systems

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S243

IP harness, approximately 5 cm (2 in) from the breakout of the cigar lighter connector

Harness Routing Views in Wiring Systems

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S244

Main harness, approximately 23 cm (9.06 in) from P200

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S247

Main harness, approximately 18 cm (7.06 in) from P200

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S248

Engine harness, approximately 4 cm (2 in) from the breakout of powertrain control module (PCM) connector C1

Harness Routing Views in Wiring Systems

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S250

IP harness, approximately 6 cm (2.375 in) from the breakout of the diode module connector

Harness Routing Views in Wiring Systems

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S252

IP harness, approximately 4 cm (2 in) from the breakout of the data link connector

Harness Routing Views in Wiring Systems

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S254

IP harness, approximately 6 cm (2.375 in) from the C215 breakout

Harness Routing Views in Wiring Systems

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S256

Main harness, near the breakout of connector C6 of the junction block

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S302

Floor harness, approximately 10 cm (4 in) from the C201 breakout

Harness Routing Views in Wiring Systems

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S310 (4-Door)

Floor harness, approximately 6 cm (2.375 in) from the breakout of connector C8 of the junction block

Harness Routing Views in Wiring Systems

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S400 (2-Door)

Floor harness, approximately 36 cm (14.17 in) from the C402 breakout

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(4-Door)

Floor harness, approximately 39 cm (14.19 in) from the connector breakout of the left rear combination lamp

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S401 (2-Door)

Floor harness, approximately 13 cm (5.125 in) from the G400 breakout

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(4-Door)

Floor harness, approximately 27 cm (11 in) from the connector breakout of the left rear combination lamp

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S402 (2-Door)

Floor harness, approximately 5 cm (2 in) from the connector breakout of the left rear combination lamp

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S403 (2-Door)

Floor Harness, approximately 5 cm (2 in) from the G400 breakout

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S404 (2-Door)

Floor harness, approximately 8 cm (3.125 in) from the G400 breakout

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(4-Door)

Floor harness, approximately 10 cm (4 in) from the connector breakout of the lamp switch in the luggage compartment

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S405 (2-Door)

Floor harness, approximately 13 cm (5.125 in) from the connector breakout of the left rear combination lamp

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(4-Door)

Floor harness, approximately 34 cm (13.375 in) from the connector breakout of the left rear combination lamp

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S406 (4-Door)

Floor harness, approximately 10 cm (4 in) from the connector breakout of the left rear combination lamp

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S407 (4-Door)

Floor harness, approximately 20 cm (8 in) from the connector breakout of the left rear combination lamp

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S408 (4-Door)

Floor harness, approximately 5 cm (2 in) from the C400 breakout

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S410 (2-Door)

Pigtail of the right rear combination lamp, approximately 8 cm (3.125 in) from P401

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S411

Pigtail of the right rear combination lamp, approximately 6 cm (2.375 in) from P401

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S412 (2-Door)

Pigtail of the left rear combination lamp, approximately 8 cm (3.125 in) from P400

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S413

Pigtail of the left rear combination lamp, approximately 6 cm (2.375 in) from P400

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S419 (4-Door)

Floor harness, approximately 21 cm (8.25 in) from the connector breakout of the left rear door jamb switch

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