GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Inside the dash, above the radio

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Jamb Switch LH

On the left side of the A pillar

Entertainment Component Views in Entertainment

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Headlamp and Panel Dimmer Switch

On the left side of the dash

Harness Routing Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Instrument Panel (IP) Fuse Block

On the lower left side of the dash, next to the left side kick panel

Harness Routing Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Key-In Warning Buzzer Switch

Inside the steering column

Shift Lock Control Component Views in Automatic Transmission - 4L60-E

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Turn/Hazard Switch

On the top of the steering column

Cruise Control Component Views in Cruise Control

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Vehicle Control Module (VCM)

On the left side of the engine compartment on the lower side of the battery

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

C100

In the left side front of the dash

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

In the LH kick panel near C100

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201

In the lower half of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G110

In the IP harness 32 cm (12.6 in) from C102 breakout next the battery

Harness Routing Views in Wiring Systems

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G400

In the upper half of the left D pillar

Harness Routing Views in Wiring Systems

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S206

In the IP harness 13 cm (5.1 in) from C100

Harness Routing Views in Wiring Systems

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S211

In the IP harness 6 cm (2.4 in) from the instrument cluster breakout

Harness Routing Views in Wiring Systems

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S212

In the IP harness 28 cm (11 in) from C100

Harness Routing Views in Wiring Systems

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S217

In the IP harness 2.5 cm (1 in) from the instrument cluster connector breakout

Harness Routing Views in Wiring Systems

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S218

In the IP Harness 28.5 cm (11.2 in) from the instrument cluster connector

Harness Routing Views in Wiring Systems

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S256

In the IP harness 34.5 cm (13.6 in) from the headlamp switch connector

Harness Routing Views in Wiring Systems

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S319

In the body harness 10 cm (3.9 in) from G400 breakout toward P401

Harness Routing Views in Wiring Systems

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S330

In the IP harness 18.5  cm (7.3 in) from the convenience center near the park brake switch breakout

Harness Routing Views in Wiring Systems

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