GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Wiring Harness Junction Block

Under the left side of the instrument panel near the left kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Cruise Control Module

On the left front of the dash in the engine compartment

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Electronic Variable Orifice (EVO) Solenoid

Part of the power steering pump,mounted to the fluid fittings

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Engine Wiring Harness Junction Block

At the left side of the engine compartment near the battery

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Fuse Block

On the lower left side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

On the left side of the IP above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

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

Instrument Panel Wiring Harness Junction Block

On the lower right side of the IP

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Powertrain Control Module (PCM)/Vehicle Control Module (VCM)

Near the left front inside the engine compartment

Engine Controls Component Views in Engine Controls - 4.8L,5.3L,6.0L

Powertrain Control Module Connector End Views in Engine Controls - 4.8L,5.3L,6.0L

Radio

In the center of the IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Steering Handwheel Position

Near the base of steering column,below the steering column mounting bracket

Steering Assist Component Views in Steering Systems

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Suspension Control Module

Inside the right rear of vehicle to right of the wheel well

Suspension Controls Component Views in Suspension Systems

Suspension Controls Connector End Views in Suspension Systems

C100

Under the Engine Wiring Harness Junction Block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring

C201

On the steering column under the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring

C207

To the right of the IP above the compartment box

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Inline Harness Connector End Views in Wiring

G203

On the left upper IP at the A pillar

Power and Grounding Component Views in Wiring Systems

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G302

On the left body mount

Power and Grounding Component Views in Wiring Systems

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G401

On the spare tire hoist bracket

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G410

On the right rear inner side body panel

Harness Routing Views in Wiring Systems

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P100

At the left rear of the engine compartment in the front of the dash

Power and Grounding Component Views in Wiring Systems

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Splice Pack 203 (SP203)

On the top left side of the IP near the "A " pillar

Harness Routing Views in Wiring Systems

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Splice Pack 410 (SP410)

On the right rear inner side body panel

Harness Routing Views in Wiring Systems

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