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

Brake Pressure Differential Switch

In the center of the combination valve

Antilock Brake System Component Views in Antilock Brakes

Antilock Brake System Connector End Views in Antilock Brakes

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

Electronic Brake Control Module (EBCM)

On the brake pressure modulator valve (BPMV), towards the rear of the right fenderwell

Antilock Brake System Component Views in Antilock Brakes

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Electronic Brake Control Module (EBCM) Connector C1 (10 Cavities)

The body harness connector on the right of the EBCM

Antilock Brake System Component Views in Antilock Brakes

Antilock Brake System Connector End Views in Antilock Brakes

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

IP Fuse Block

Right of the IP, near the side door jamb switch

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

Hydraulic Brake Connector End Views

Stop Lamp Switch

Mounted on the brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting 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

Underhood Fuse Block Connector C2 (68 Cavities) (Engine)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

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

G102

(CKT 350) At the engine harness, to the RR of the cylinder head

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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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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S287

(CKT 340) In the IP harness, between the breakouts for the BCM C3 and the radio connector, 9 cm (3.6 in) from the radio connector breakout

Harness Routing Views in Wiring Systems

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