GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Automatic Transfer Case Shift Control Module

Behind the left kick panel.

Transfer Case Control Component Views in Transfer Case

Transfer Case Control Connector End Views in Transfer Case

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 in Instrument Panel, Gauges and Console

Driver Information Systems Connector End Views in Instrument Panel, Gauges and Console

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

Data Link Connector (DLC)

On the lower left side of the dash

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake Control Module (EBCM)

On the left front side of the frame to the left of the transmission

Harness Routing Views in Wiring Systems

Antilock Brake System Connector End Views in Antilock Brake System

Instrument Cluster

On the left of the dash

HVAC Component Views in HVAC Systems - Manual

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

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

Inflatable Restraint Sensing Diagnostic Module (SIR)

Under the driver seat

SIR Component Views in SIR

SIR Connector End Views in SIR

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

VCM Connector End Views in Engine Controls

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

C224

In the transfer case harness 30.5 cm (12 in) from transfer case connector

Electrical Center Identification 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

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G107

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

Harness Routing Views in Wiring Systems

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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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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

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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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S210

In the IP harness 23.5 cm (9.3 in) from connector C100

Harness Routing Views in Wiring Systems

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Splice Pack #261 (SP261)

In the IP harness 20 cm (7.9 in) from relay blocks breakout toward the DLC

Harness Routing Views in Wiring Systems

Data Link Communications Connector End Views