GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

On the cowl, under the steering column near the floor

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake Control Module (EBCM)

On the front crossmember, near the RH frame rail

Antilock Brake System Component Views in Antilock Brakes

Antilock Brake System Connector End Views in Antilock Brakes

Fuse Block

Body builder Installed

Electrical Center Identification Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Powertrain Control Module (PCM)

Above the radiator, to the right of the driver island

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

C100

At the lower left corner of the bulkhead; the IP harness end is attached to the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101

On the engine side of the cowl, near C100

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102

One the front center of the engine, at the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G200

On top of the steering column support

Power and Grounding Component Views in Wiring Systems

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P100

Lower left corner of the bulkhead

Harness Routing Views in Wiring Systems

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S110

In the breakout for the PCM connectors, approximately 10 cm (4 in) from the main engine harness

Harness Routing Views in Wiring Systems

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S118

In the engine harness branch leading to the ABS system, approximately 13 cm (5 in) from the main engine harness

Harness Routing Views in Wiring Systems

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S202

In the IP harness, approximately 16 cm (6 in) toward the IP wiring harness junction block from the breakout for the transmission range shift control

Harness Routing Views in Wiring Systems

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S222

In the IP harness, approximately 5 cm (2 in) toward the fuse block from the stoplamp switch breakout

Harness Routing Views in Wiring Systems

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