GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Below the right side of I/P

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Data Link Connector (DLC)

Below the left side of I/P, left of steering column

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

RF Door Lock Switch

In the right front door panel

Lighting Systems Component Views in Doors

Lighting Systems Connector End Views in Doors

LF Door Lock Switch

In the left front door panel

Lighting Systems Component Views in Doors

Lighting Systems Connector End Views in Doors

Driver Seat Adjuster Switch

On the left side of the driver's seat

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Headlamp Switch

Part of headlamp and turn signal switch, on the turn signal lever

Lighting Systems Component Views in Lighting Systems

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Ignition Switch

Mounted in I/P, on the right side of the instrument cluster

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Below carpet, under the right front seat

SIR Component Views in SIR

SIR Connector End Views in SIR

Park Brake Indicator Switch

Below the left side of I/P, part of the park brake assembly

Park Brake Component Views in Park Brake

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Powertrain Control Module (PCM)

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

Engine Harness Routing Views in Engine Electrical

Powertrain Control Module Connector End Views or Powertrain Control Module Connector End Views in Engine Controls

Seat Belt Switch

Part of driver seat buckle side belt, right side of driver's seat

Power Seat Component Views in Seats

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Splice Pack SP205

Below I/P, taped in the harness, on the right side of the steering column

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Data Link Communications Connector End Views in Wiring Systems

Underhood Wiring Harness Junction Block

The left 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

C101

I/P wiring harness to engine wiring harness, the left side of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

I/P wiring harness to PCM wiring harness, behind the left side of I/P

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C301

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 in Wiring Systems

G203

Above I/P, right side of 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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P100

Lower left 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

In the left front door

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