GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Daytime Running Lamps (DRL) Module

Under the left side of the IP, taped to the IP harness

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Instrument Cluster

On the upper left end of the IP, above the steering column

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

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel and Console

IP Fuse Block

To the left of the IP, near the left front door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Park Brake Warning Switch

Mounted on Park Brake, under LH end of IP

Park Brake System Component Views

Park Brake System Connector End Views

C200

IP harness inline to the Engine harness, behind the right side of the IP, near the heater motor, in foam wrap

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103 (Gas)

On the right front side of the engine, near the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G104 (5.0L/5.7L)

Backside of the right cylinder head

Power and Grounding Component Views in Wiring Systems

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G104 (6.5L)

Top rear of the right cylinder head

Power and Grounding Component Views in Wiring Systems

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G104 (7.4L)

Backside of the engine block, below the right cylinder head

Power and Grounding Component Views in Wiring Systems

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P101

In the right rear side of the engine compartment, at the bulkhead

Harness Routing Views in Wiring Systems

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S103 (5.0L, 5.7L)

Engine harness, approx. 8 cm (3 in) from EGR valve breakout, toward taillamp harness breakout

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S103 (6.5L)

Engine harness, approx. 12 cm (4.7 in) from starter solenoid breakout, towards the Underhood Lamp harness breakout

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S103 (7.4L - A/T)

Engine harness, approx. 8 cm (3 in) from the EGR Valve harness breakout, towards the Ignition Coil harness breakout

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S103 (7.4L - M/T)

Engine Harness, approx. 4 cm (1.5 in) from the Fuel Injector harness breakout, towards the Taillamp harness breakout

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S213

IP harness, approx. 4 cm (1.5 in) from steering column harness breakout, towards the DLC

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S215

IP harness, approx. 8 cm (3 in) from instrument cluster breakout, toward radio connectors breakout

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