GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector - On Board Diagnostics II (DLC-OBD)

LH instrument panel to the left of the center console of the knee bolster

Data Link Communications Component Views

Data Link Communications Connector End Views

Duty Check Data Link Connector (DLC) 1

RH engine compartment behind the RH headlamp

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake Control Module (EBCM) (with ABS)

Under the LH instrument panel to the right of the steering column

Antilock Brake System Component Views in ABS

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C1 (32 Cavities)

Main harness to the EBCM behind the instrument panel to the right of the steering column

Antilock Brake System Component Views in ABS

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Fuse Block 2

Under the LH instrument panel

Power and Grounding Component Views

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Inflatable Restraint Sensing and Diagnostic Module (SDM)

Under the center of the instrument panel

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SIR Connector End Views in SIR

Powertrain Control Module (PCM)

Under the LH instrument panel to the left of the steering column

Engine Controls Component Views in Engine Controls - 1.6L

Powertrain Control Module Connector End Views in Engine Controls - 1.6L

3-Speed Automatic and Manual Transmissions C1 (22 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

3-Speed Automatic and Manual Transmissions C2 (16 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

3-Speed Automatic and Manual Transmissions C3 (26 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

4-Speed Automatic and Manual Transmissions C1 (22 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

4-Speed Automatic and Manual Transmissions C2 (12 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

4-Speed Automatic and Manual Transmissions C3 (16 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

4-Speed Automatic and Manual Transmissions C4 (26 Cavities)

Main harness to the PCM, behind the instrument panel to the left of the steering column

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--

C201 (16 Cavities)

Main harness to the instrument panel harness, LH instrument panel near fuse block 2

Harness Routing Views

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C208 (5 Cavities)

Instrument panel harness to the SIR harness, LH instrument panel to the right of the steering column

Harness Routing Views

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G103

RH rear engine compartment mounted to the intake manifold

Power and Grounding Component Views

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G201

Behind the RH instrument panel near the blower assembly

Power and Grounding Component Views

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G202

Behind the center instrument panel on the bulkhead

Power and Grounding Component Views

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P201

RH rear engine compartment on the bulkhead near the battery

Harness Routing Views

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S131

Main harness approximately 19 cm (7.48 in) from P201

Harness Routing Views

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S213

Main harness approximately 3 cm (1.18 in) from the stoplamp switch connector breakout

Harness Routing Views

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S216

Main harness approximately 2 cm (0.78 in) from the stoplamp switch connector breakout

Harness Routing Views

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S220

Main harness approximately 1 cm (0.39 in) from the blower speed selector switch connector breakout

Harness Routing Views

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S222

Main harness approximately 10 cm (3.93 in) from the blower speed selector switch connector breakout

Harness Routing Views

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S275

Main harness approximately 11 cm (4.33 in) from the ignition switch connector breakout

Harness Routing Views

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S276

Main harness approximately 1 cm (0.39 in) from the G200 breakout

Harness Routing Views

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S286

Main harness approximately 6 cm (2.36 in) from the C216 breakout

Harness Routing Views

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S296

Main harness approximately 6 cm (2.36 in) from the stoplamp switch connector breakout

Harness Routing Views

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S297

Main harness approximately 5 cm (1.96 in) from the daytime running lamps (DRL) diode connector breakout

Harness Routing Views

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