GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

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

Body Control System Component Views in Theft Deterrent

Body Control System Connector End Views in Body Control Module

Data Link Connector (DLC)

On the bottom of the IP, right of the steering column

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Driver Information Display (DID)

Right side of the instrument cluster

Power Door Systems Component Views in Doors

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

Electronic Brake Traction Control Module (EBTCM)

Left side of the engine compartment, part of the brake pressure modulator valve, mounted to the left strut tower

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Front Door Lock (Ajar Switch)

Rear of the front door in the door latch

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Fuse Block

Right side of the IP, in the IP compartment opening

Power and Grounding Component Views in Wiring Systems

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Headlamp Switch

Left side of the IP, left of the steering column

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Lighting Systems Connector End Views in Lighting Systems

Instrument Cluster Head-Up Display (HUD)

Top of the left side of the IP

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Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

Low Tire Pressure Warning Reset Switch

Below the left side of the IP, mounted in the knee bolster right of the steering column

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Powertrain Control Module (PCM)

Left side of the engine compartment, inside the air cleaner assembly

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Rear Compartment Courtesy Lamp Switch

Mounted to the rear compartment lid, near the latch

Body Rear End Component Views in Body Rear End

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Rear Door Lock (Ajar Switch)

Rear of the rear door in the door latch

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Trip Calculator

Right side of the instrument cluster

Power Door Systems Component Views in Doors

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

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

Windshield Washer Solvent Level Switch

Right side of the engine compartment, in the washer fluid container

Wiper/Washer Component Views in Wipers Washer System

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C101 (20 cavities)

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

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C200 (56 cavities)

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

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C301 (16 cavities)

Body wiring harness to the left front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C302 (16 cavities)

Body wiring harness to the right front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C304 (10 cavities)

Body wiring harness to the right front door wiring harness, behind the trim at the base of the A pillar

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C355 (8 cavities)

Body wiring harness to the left rear door wiring harness, behind the trim at the base of the B pillar

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C356 (8 cavities)

Body wiring harness to the right door wiring harness, behind the trim at the base of the B pilar

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C430 (4 cavities)

Body wiring harness to the rear compartment lid lock release wiring harness, in the rear compartment under the left side of the rear window panel

Harness Routing Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

G101

Left side of the front end upper tie bar, near the headlamp

Power and Grounding Component Views in Wiring Systems

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G200

Right side of the IP cross beam, behind the fuse block

Power and Grounding Component Views in Wiring Systems

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G301

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

Power and Grounding Component Views in Wiring Systems

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G302

Right door sill, forward of the right front seat

Power and Grounding Component 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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P500

Left A pillar

Harness Routing Views in Wiring Systems

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P600

Right A pillar

Harness Routing Views in Wiring Systems

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P700

Left B pillar

Harness Routing Views in Wiring Systems

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P800

Right B pillar

Harness Routing Views in Wiring Systems

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S124

Forward lamp wiring harness, behind the left headlamp, approximately 30 cm (12 in) from the G101 breakout

Harness Routing Views in Wiring Systems

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S200

IP wiring harness, above the instrument cluster, approximately 2 cm (1 in) from the fog lamp switch, instrument panel breakout

Harness Routing Views in Wiring Systems

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S202

IP harness, behind the center of the IP, approximately 17 cm (7 in) from the data link connector breakout

Harness Routing Views in Wiring Systems

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S203

IP harness, above the instrument cluster, approximately 4 cm (2 in) from the fog lamp switch, instrument cluster breakout

Harness Routing Views in Wiring Systems

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S206

IP wiring harness, right side of the steering column, approximately 4 cm (2 in) from the data link connector breakout

Harness Routing Views in Wiring Systems

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S209

IP wiring harness, behind the right side of the instrument cluster, approximately 20 cm (8 in) from the driver information display/trip calculator breakout

Harness Routing Views in Wiring Systems

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S211

IP wiring harness, behind the center of the IP, approximately 11 cm (4 in) from the data link connector

Harness Routing Views in Wiring Systems

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S212

IP wiring harness, behind the right side of the instrument cluster, approximately 13 cm (5 in) from the driver information display/trip calculator breakout

Harness Routing Views in Wiring Systems

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S230

IP wiring harness, on the right side of the steering column, approximately 4 cm (2 in) from the data link connector breakout

Harness Routing Views in Wiring Systems

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S237

IP wiring harness, behind the center of IP, approximately 30 cm (12 in) from the data link connector breakout

Harness Routing Views in Wiring Systems

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S262

IP wiring harness, behind the right side of the instrument cluster, approximately 3 cm (1 in) from the remote control door lock receiver breakout

Harness Routing Views in Wiring Systems

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S273

IP wiring harness, behind the right side of the instrument cluster, approximately 22 cm (9 in) from the remote control door lock receiver breakout

Harness Routing Views in Wiring Systems

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S276

IP wiring harness, behind the right side of the instrument cluster, approximately 16 cm (6 in) from the remote control door lock receiver breakout

Harness Routing Views in Wiring Systems

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S278

IP wiring harness, below the IP near C201, approximately 7 cm (3 in) from the G201 breakout

Harness Routing Views in Wiring Systems

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S280

IP wiring harness, behind the right side of the instrument cluster, approximately 9 cm (4 in) from remote control door lock receiver breakout

Harness Routing Views in Wiring Systems

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S285

IP wiring harness, on the right side of the steering column, approximately 14 cm (5 in) from the data link connector breakout

Harness Routing Views in Wiring Systems

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S303

Body wiring harness, below the left side of the driver seat, approximately 5 cm (2 in) from the G301 breakout

Harness Routing Views in Wiring Systems

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S406

Body wiring harness, below the rear window panel, approximately 10 cm (4 in) from the C405 (inline connector to fuel tank harness) breakout

Harness Routing Views in Wiring Systems

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S416

Rear compartment lid wiring harness, near the rear compartment key cylinder, approximately 8 cm (3 in) from the rear compartment lid release (key) switch breakout

Harness Routing Views in Wiring Systems

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S428

Body wiring harness, below the rear window panel, approximately 18 cm (7 in) from C405 (inline connector to the fuel tank harness)

Harness Routing Views in Wiring Systems

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S504

Left front door wiring harness, approximately 6 cm (2 in) from the left door lock switch breakout

Harness Routing Views in Wiring Systems

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S604

Left front door wiring harness, approximately 6 cm (2 in) from the right door lock switch breakout

Harness Routing Views in Wiring Systems

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