GM Service Manual Online
For 1990-2009 cars only

Horns Components P42

Name

Location

Locator View

Connector End View

Horn Relay

LH interior bulkhead on the relay bracket

Horn Component Views

Horn Connector End Views

Horn Switch

Located in the steering wheel

Horn Component Views

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Horns

Body builder installed

Horn Component Views

Horn Connector End Views

IP Fuse Block

Located by the body builder

Electrical Center Identification Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C203

Engine harness to the IP harness, in the bulkhead near P100

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

LH interior bulkhead near the relay bracket

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S100

In the forward lamps harness, approximately 43 cm (16 in) from the horn breakout

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S103

In the forward lamps harness, approximately 110 cm (41 in) from the LH lamps breakout toward the RH lamps breakout

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S204

In the IP harness, approximately 20 cm (8 in) from the fuse block breakout towards C200

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S205

In the IP harness, approximately 4 cm (2 in) before the fuse block breakout toward C200

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Horns Components P32

Name

Location

Locator View

Connector End View

Horn Relay

Mounted on top of the steering column support at the driver's island

Horn Component Views

Horn Connector End Views

Horn Switch

Located in the steering wheel

Horn Component Views

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Horns

Body builder installed

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Horn Connector End Views

IP Fuse Block

Located by the body builder

Electrical Center Identification Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C100

Engine harness to the forward lamps harness, at the LH side of the engine bulkhead near the battery junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200

Engine harness to the IP harness, at the top front of the steering column support near the park brake pull button switch

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203

Engine harness to the body builder provision harness, on top of the steering column support at the LH side

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102

Body builder installed

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G200

Mounted to the top front of the steering column support plate

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P100

Main wiring pass through at the bulkhead

Harness Routing Views in Wiring Systems

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S100

In the forward lamp harness, 27 cm (11 in) from the breakout for the LH headlamp

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S101 (Diesel)

In the engine harness, 16 cm (7 in) from the breakout for the auxiliary engine coolant fan motor, toward P100

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S150 (Diesel)

In the engine harness, 14 cm (6 in) from P100, toward C100 and C207

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S150 (Gas)

In the engine harness, 4 cm (2 in) from the breakout for the battery junction block toward C100 and C207

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S201

In the IP harness, 10 cm (4 in) from C200, toward the IP fuse block

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S204

In the IP harness, 26 cm (10 in) from the horn relay breakout, toward P100

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S234 (Diesel)

In the IP harness, 23 cm (9 in) from P100, toward the turn signal switch connector

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S234 (Gas)

In the IP harness, 35 cm (14 in) from the steering column harness breakout, toward P100

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