GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Relay Block

To the right of the IP, near the IP Fuse Block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Body Control Module (BCM)

At the lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

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Body Control Module (BCM) Connector C1, (24 Cavities)

At the lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C2, (24 Cavities)

At the lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C3, (16 Cavities)

At the lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Data Link Connector (DLC)

To the lower right of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Door Lock Cylinder Switch, RH C3 (4 Cavities)

Inside the right front door, part of the latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Endgate Lock Cylinder Switch

At the top center of the endgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Endgate Window Release Actuator

Inside the top of the endgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Liftglass Relay

In the underhood fuse block

Power and Grounding Component Views in Wiring Systems

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Park Brake Warning Switch

On the automatic transmission controller

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Hydraulic Brake Connector End Views in Hydraulic Brakes

Rear Wiper/Washer Switch And Endgate Window Release Switch

On the center console

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Rear Window Wiper Cutout and Liftglass Ajar Jamb Switch

In the endgate near the latch

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

Underhood Fuse Block

On the top of the right inner wheelwell near the battery

Power and Grounding Component Views in Wiring Systems

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Underhood Fuse Block Connector C1 (68 Cavities)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Control Module (VCM)

To the left of the engine compartment

Engine Controls Component Views in Engine Controls

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Vehicle Control Module (VCM) Connector C4 (24 Cavities)

To the left of the engine compartment

Engine Controls Component Views in Engine Controls

VCM Connector End Views in Engine Controls

C203 (116 Cavities)

At the body harness to IP harness, to the left of the IP

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Inline Harness Connector End Views in Wiring Systems

C411 (2 Cavities)

At the body harness to endgate harness, to the rear left center of the body, at the endgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C413 (6 Cavities)

At the body harness to endgate harness, to the rear left center of the body, at the endgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (16 Cavities) (Utility)

At the body harness to right front door harness, near the P600

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G203

(CKT 1850) At the body harness, to the right of the IP

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G204

(CKT 1850) At the body harness, to the right of the IP

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G450

(CKT 1350) At the body harness, in the left rear body corner, near the tail lamp harness

Power and Grounding Component Views in Wiring Systems

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P100

At the IP bulkhead pass-through, to the right rear of the engine compartment, on the cowl

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P600

At the body harness between the body and the right front door

Harness Routing Views in Wiring Systems

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P900

Between the body and the endgate

Harness Routing Views in Wiring Systems

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S201

(CKT 1807) At the body harness, 13 cm (5.2 in) from the BCM connector breakout toward the C211 steering column connector

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S211

(CKT 1850) At the IP harness, 6.5 cm (2.6 in) from the G203, G204, and G205 ground breakout and the ground terminals

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S427

(CKT 1350) At the left rear body harness, 7 cm (2.75 in) below the breakout to the left tail lamp connector C403

Power and Grounding Component Views in Wiring Systems

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