GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

HVAC Control

In the center of the instrument panel, above the radio

HVAC Component Views in HVAC

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IP Fuse Block

On the left end of the instrument panel carrier

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Rear Defogger Grid

Mounted on the rear windshield

Stationary Windows Component Views

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C320 (1 cavity) Convertible

Convertible rear defogger jumper to instrument panel harness, under left interior trim molding, above left rear wheelhouse

Harness Routing Views in Wiring Systems

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C330 (2 cavities) Coupe

Hatch to instrument panel harness, center of roof near dome lamp

Harness Routing Views in Wiring Systems

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G200

Near the left A-pillar, bolted to the instrument panel mounting stud behind the kick panel

Harness Routing Views in Wiring Systems

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G310

Bolted to the roof, left of the dome lamp

Harness Routing Views in Wiring Systems

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G320

Bolted to the roof, to the left of the dome lamp

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P300

In the rear center of the roof, near the dome lamp

Harness Routing Views in Wiring Systems

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S216

In the instrument panel harness, main branch, approximately 10 cm (4 in) from the instrument cluster breakout

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S248

In the instrument panel harness, approximately 2 cm (1 in) from the radio connectors breakout

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S252 (Coupe)

In the instrument panel harness, main branch, approximately 33 cm (13 in) from G305 breakout

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S252 (Convertible)

In the instrument panel harness, main branch, approximately 48 cm (19 in) from G200 breakout

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S315 (Coupe)

Instrument panel harness, approximately 19 cm (7 in) back from C330

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S420

In the hatch harness, main branch, approximately 7 cm (3 in) from P300 breakout

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