GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM) Connector C1, Brown(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

Brake Pressure Warning Switch

At the right side end of the EBCM

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Data Link Connector (DLC)

To the lower left of the IP

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Electronic Brake Control Module (EBCM)

Part of the Brake Pressure Modulator Valve (BPMV), at the left front wheelwell

Antilock Brake System Component Views

Antilock Brake System Connector End Views

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

The body harness connector on the LH of the EBCM

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control Module (EBCM) Connector C2 (4 Cavities)

The SIR Body harness connector on the LH of the EBCM

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control Module (EBCM) Connector C3 (2 Cavities)

The body harness connector, LH of the EBCM

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Front Axle Switch

At the front axle, to the right of the differential

Transfer Case Control Component Views in Transfer Case

Transfer Case Control Connector End Views in Transfer Case

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 door jamb switch, LF

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Park Brake Warning Switch

On the park brake bracket

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brake Connector End Views in Hydraulic Brakes

Powertrain Control Module (PCM) Connector  C1 (2.2L Engine)

On the right of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Powertrain Control Module Connector End Views in Engine Controls - 2.2L

TCC/Stop Lamp Switch

Mounted on the brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Transfer Case Shift Control Module Connector C1

Behind the RH Front kick panel, the lower connector

Transfer Case Control Component Views in Transfer Case

Transfer Case Control Connector End Views in Transfer Case

Underhood Fuse Block

On 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

Underhood Fuse Block Connector C6 (2 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) (4.3L Engine)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

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Vehicle Control Module (VCM) (4.3L Engine) Connector C1 Blue (32 Cavities)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

Wheel Speed Sensor (WSS), LH

Part of the LH wheel knuckle and hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views in Antilock Brakes

Wheel Speed Sensor (WSS), RH

Part of the right wheel knuckle and hub

Antilock Brake System Component Views in Antilock Brakes

Antilock Brake System Connector End Views

C101 (10 Cavities) (2.2L Engine)

Engine harness to body harness, to the right of the engine compartment, near the PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101 (10 Cavities) (4.3L Engine)

Engine harness body harness, to the right of the engine compartment, near the VCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (116 Cavities)

Body harness to IP harness, to the RH of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102 (2.2L Engine)

On the engine harness, RH Front of the engine block, under the generator

Harness Routing Views in Wiring Systems

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G102 (4.3L Engine)

On the engine harness, RH Rear of the cylinder head

Harness Routing Views in Wiring Systems

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G105 (2.2L Engine)

(CKT Engine harness, to the RH Rear of the engine block, near the ignition control module

Harness Routing Views in Wiring Systems

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G105 (4.3L Engine)

(CKT 450, 451) Engine harness, to the LH Rear of cylinder head

Harness Routing Views in Wiring Systems

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G110

(CKT 150) Body harness, in the LH of the radiator support, near SP 100

Harness Routing Views in Wiring Systems

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P100

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

Harness Routing Views in Wiring Systems

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S138

(CKT 420) Body harness, between the breakout to VCM connector C4 and the windshield wiper motor breakout, 32 cm (12.5 in) from the breakout to the motor

Harness Routing Views in Wiring Systems

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S152 (2.2L Engine)

(CKT 351, CKT 413, CKT 451) Engine harness, between the breakouts for the fuel injector connector and the Ignition Control Module, 7cm from G105

Harness Routing Views in Wiring Systems

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Splice Pack SP200

(CKT 41, CKT 241, CKT 341, CKT 817) Strapped to the body harness, in the center front of the IP, to the right of SP 204

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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