GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

On the bottom of the I/P, RH side of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Driver Information Display Control Module

In the front center of the roof headliner

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

I/P Accessory Wiring Junction Block, LH

LH side of the I/P, in the LF door opening

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

I/P Accessory Wiring Junction Block, RH

RH side of the I/P, in the RF door opening

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Splice Pack (SP205)

Next to the LH I/P accessory wiring junction block wiring harness, taped on harness

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

C373 (16 cavities)

Main body wiring harness to roof harness, RH side of the rear compartment package shelf

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G203

Behind the I/P in the RH side of the brake pedal bracket

Harness Routing Views in Wiring Systems

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S253

I/P wiring harness, behind lower RH side of I/P, approximately 4 cm (2 in) from the I/P courtesy lamp (LH) breakout

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S322 (Impala)

Main body wiring harness, behind LH side of passenger compartment, approximately 10 cm (4 in) from C311 breakout

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S322 (Monte Carlo)

Main body wiring harness, below driver seat, approximately 10 cm (4 in) from C311 breakout

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