GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

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

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Body Control Module (BCM) Connector C2 (LT BLU) (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

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

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Body Relay Block

Right side of the IP, left of the IP fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Data Link Connector (DLC)

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

Part of the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Endgate Lock Cylinder Switch

Top center of the endgate

Body Rear End Component Views

Body Rear End Connector End Views

Endgate Window Release Actuator

Inside the top of the endgate

Body Rear End Component Views

Body Rear End Connector End Views

Instrument Cluster

In the IP, ahead of 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

Liftglass Relay

In the body relay block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Park Brake Indicator Switch

Part of the automatic transmission controller

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Rear Window Wiper Cutout and Liftglass Ajar Jamb Switch

In the endgate, near the latch

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Rear Wiper/Washer and Endgate Window Release Switch

On the center console

Wiper/Washer Component Views in Wiper/Washer Systems

Wiper/Washer Connector End Views in Wiper/Washer Systems

Underhood Fuse Block

On the top of the right inner fenderwell

Power and Grounding Component Views in Wiring Systems

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Underhood Fuse Block Connector C1 (68 Cavities) (Body)

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)

Left side of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

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

Left side of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

C203 (116 Cavities)

Body harness to IP harness, to the left of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C411 (2 Cavities)

Body harness to endgate harness, LR center of the body, at the endgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C413 (6 Cavities)

Body harness to endgate harness, to the LR center of the body, at the endgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (16 Cavities)

Body harness to RF door harness, near P600

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

(CKT 1850) At the body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G201

(CKT 1850) At the body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G450

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

Harness Routing Views in Wiring Systems

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P100

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

Harness Routing Views in Wiring Systems

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P600

Body harness to LF door pass-through, between the body and the RF door

Harness Routing Views in Wiring Systems

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P900

Body to endgate, between the body harness and the endgate

Harness Routing Views in Wiring Systems

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S201

(CKT 1807) Body harness 13 cm (5.1 in) from the BCM connector breakout toward the C211 steering column harness connector

Harness Routing Views in Wiring Systems

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S209

(CKT 1850) In the body harness, 6.5 cm (2.6 in) from the BCM connector breakout toward C211

Harness Routing Views in Wiring Systems

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S427

(CKT 1350) At the left rear body harness, 7 cm (2.8 in) below the breakout to the left tail lamp connector C403

Harness Routing Views in Wiring Systems

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