GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Audio Alarm Module

In the convenience center

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

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

Body Control Module (Luxury)

In the center floor console

Body Control System Component Views in Body Control Systems

Power and Grounding Connector End Views in Wiring Systems

Instrument Cluster

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

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

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

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

Seat Belt Switch, LF

At LR stationary belt connector

Seat Belt Component Views in Seat Belts

Power and Grounding Connector End Views in Wiring Systems

C200

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

C211

Under the left front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304 (Luxury)

In the center console, behind the subwoofer

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (Luxury)

In the center console, behind the subwoofer

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

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 (5.7L)

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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G202

On the right side of the instrument panel, mounted to the HVAC plenum bracket

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

Power and Grounding Component Views in Wiring Systems

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S103 ( 5.7L)

Engine harness, approximately 8 cm (3 in) from the EGR valve breakout, toward the taillamp harness breakout

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S103 (6.5L)

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

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S103 (7.4L - A/T)

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

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S211 (Diesel)

IP harness, approximately 16 cm (6 in) into the instrument cluster breakout

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S211 (Gas)

IP harness approximately 4 cm (1.5 in) from the engine harness breakout

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S213

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

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S215

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

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S259

Crossbody harness, approx. 7 cm (2.8 in) into the seat belt switch, toward C299

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