GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Ambient Temperature Sensor

Behind center of grille, next to the horns

Horn Component Views in Horns

Driver Information Systems Connector End Views

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

Compass and Temperature Display Module

On the front of the overhead console toward the front of the vehicle

Driver Information System Components Views

Driver Information Systems Connector End Views

Convenience Center

On the left of the IP fuse block by the left kick panel

Harness Routing Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Dome/Reading Lamps Front

On the front overhead console

Lighting Systems Component Views in Lighting 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

Overhead Console

On the front center of the headliner

Driver Information System Components Views

Driver Information Systems Connector End Views

Radio Control Module Rear

In the left side of the vehicle behind the B pillar

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

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

C102

In the left of the bulkhead, LH side front of 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

C207

In the convenience center

Electrical Center Identification Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C300

In the left kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G105

In the thermostat housing

Power and Grounding Component Views in Wiring Systems

--

G107

In the left rear of the engine block next to the knock sensor

Harness Routing Views in Wiring Systems

--

G400

In the upper half of the left D pillar

Harness Routing Views in Wiring Systems

--

P100

In the left side front of the dash, on the left of the bulkhead

Harness Routing Views in Wiring Systems

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S117

In the engine harness 2.5 cm (1 in) from the A/C low pressure cut-off switch breakout toward the engine

Harness Routing Views in Wiring Systems

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S204

In the IP harness 7 cm (2.8 in) from C100

Harness Routing Views in Wiring Systems

--

S218

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

Harness Routing Views in Wiring Systems

--

S246

In the IP harness 14.5 cm (5.7 in) from the convenience center

Harness Routing Views in Wiring Systems

S258

In the IP harness 13 cm (5.1 in) from the radio connectors breakout

Harness Routing Views in Wiring Systems

S301

In the body harness 4 cm (1.6 in) from breakout for center dome lamp

Harness Routing Views in Wiring Systems

S315

In the body harness at the left B pillar 4 cm (1.6 in) from the breakout toward the top of the vehicle

Harness Routing Views in Wiring Systems

--

S319

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

Harness Routing Views in Wiring Systems

--

S328

In the right B pillar 6 cm (2.4 in) from the D300 breakout

Harness Routing Views in Wiring Systems