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 System

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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 System

Body Control System Connector End Views in Body Control System

Brake Fluid Level Switch (325 Series)

On the master cylinder

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Brake Pressure Differential Switch (310 Series)

In center of the combination valve

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Brake Pressure Modulator Valve (BPMV) (Part of EBCM)

Part of the EBCM, on the left front fenderwell

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Data Link Connector (DLC)

Lower left 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) (310 Series)

On the brake pressure modulator valve (BPMV), toward the rear of the LF fenderwell

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Brake Control Module (EBCM) (310 Series) Connector C1 (10 Cavities) (BLK)

The body harness connector on the left side of the EBCM

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Brake Control Module (EBCM) (325 Series)

On the brake pressure modulator valve (BPMV), toward the rear of the LF fenderwell

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Brake Control Module (EBCM) (325 Series) Connector C1 (16 Cavities) (BLK)

The body harness connector on the left side of the EBCM

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

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

LH of the IP, near the side door jamb switch

Power and Grounding Component Views in Wiring Systems

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Park Brake Indicator Switch

On the park brake bracket

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 left inner wheelwell

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 right of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102 (2.2L)

(CKT 350) At the engine harness, RF of the engine block, under the generator

Harness Routing Views in Wiring Systems

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G102 (4.3L)

(CKT 350) Engine harness, RR of the cylinder head

Harness Routing Views in Wiring Systems

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P100

IP bulkhead pass-through, LR of the engine compartment, on the cowl

Harness Routing Views in Wiring Systems

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S240 (Utility w/ Auto A/C)

(CKT 340) IP harness, 4 cm (1.6 in) from the breakout to the BCM connector C3 and the breakout to the instrument cluster

Harness Routing Views in Wiring Systems

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Splice Pack SP201

Body harness, to the left of the IP, below the IP fuse block, taped to the body harness

Harness Routing Views in Wiring Systems

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