GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

On the lower left side of the IP below the steering column

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

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

Door Speaker, LH

On the left door trim panel

Entertainment Component Views

Entertainment Connector End Views

Door Speaker, RH

On the right door trim panel

Entertainment Component Views

Entertainment Connector End Views

Ignition Switch

Near the lower part of the steering column behind the instrument cluster

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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

Left Bussed Electrical Center (LBEC)

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

Mid Bussed Electrical Center (MBEC)

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

Powertrain Control Module (PCM)

Near the left front inside the engine compartment

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

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

Radio

In the center of the IP

Entertainment Component Views

Entertainment Connector End Views

Rear Speaker, LH

At the left rear of the passenger compartment

Entertainment Component Views

Entertainment Connector End Views

Rear Speaker, RH (Regular Cab)

At the right rear of the passenger compartment

Entertainment Component Views

Entertainment Connector End Views

Rear Speaker, RH (Extended Cab)

In the right rear door

Entertainment Component Views

Entertainment Connector End Views

Retained Accessory Power (RAP) Relay

In the LBEC

Electrical Center Identification Views in Wiring Systems

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Right Bussed Electrical Center (RBEC)

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

Underhood Bussed Electrical Center (UBEC)

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

Vehicle Control Module (VCM)

On the left front of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

Engine Controls Connector End Views in Engine Controls - 4.3L

C100

Under the UBEC

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

At the left kick panel next to the A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201

At the steering column under the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C204

At the left A pillar near the kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C297

On the lower right side of the IP (Base only)

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Inline Harness Connector End Views in Wiring Systems

C299

At the right side of the IP near the kick panel

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Inline Harness Connector End Views in Wiring Systems

G203

On the left upper IP at the A pillar

Power and Grounding Component 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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P500

Between the left front door and the body

Power and Grounding Component Views in Wiring Systems

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P600

Between the right front door and the body

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

Power and Grounding Component Views in Wiring Systems

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