GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Combination Switch

On the steering column

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Fuse Block 2

Under the left instrument panel

Power and Grounding Component Views in Wiring System

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Horn Relay

Center of the instrument panel behind the blower speed selector switch

Horn Component Views

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Left Horn

Between the grill and the radiator

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LH Horn Switch

LH side of the steering wheel

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RH Horn Switch

RH side of the steering wheel

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Supplemental Inflatable Restraint (SIR) Contact Coil

In the top of the steering column

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C3 (1 Cavity)

SIR contact coil to the horn switches in the steering wheel

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G104

RH front inner fender near the washer fluid reservoir

Power and Grounding Component Views in Wiring Systems

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P201

RH rear engine compartment on the bulkhead near the battery

Power and Grounding Component Views in Wiring Systems

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S103

Main harness, approximately 8 cm (3.14 in) from the right horn connectors breakout

Harness Routing Views in Wiring Systems

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S104

Main harness, approximately 4 cm (1.57 in) from the front washer pump connector breakout

Harness Routing Views in Wiring Systems

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S105

Main harness, approximately 11 cm (4.33 in) from the RH headlamp connector breakout

Harness Routing Views in Wiring Systems

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S203

Main harness, approximately 2 cm (0.78 in) from the blower motor resistor connector breakout

Harness Routing Views in Wiring Systems

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S251

Main harness, approximately 5 cm (1.96 in) from the stoplamp switch connector breakout

Harness Routing Views in Wiring Systems

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S254

Main harness, approximately 10 cm (3.93 in) from the G200 breakout

Harness Routing Views in Wiring Systems

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