GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Engine Cooling Fans

Behind the radiator

Cooling System Component Views

Cooling System Connector End Views

Engine Wiring Harness Junction Block 1

In the left front corner of the engine compartment

Power and Grounding Component Views in Wiring Systems

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Powertrain Control Module (PCM) (V6 VIN K)

On the right side of the engine compartment, rear of the wheelhouse

Power and Grounding Component Views in Wiring Systems

Powertrain Control Module Connector End Views in Engine Controls

Powertrain Control Module (PCM) (V8 VIN G)

On the right side of the engine compartment, rear of the wheelhouse

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

C100 (10 cavities)

Engine to forward lamp harness, in the engine compartment, above the right wheelhouse

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G106

Attached to the top left side of the radiator support

Harness Routing Views in Wiring Systems

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G109

Attached to the left front frame rail, forward of the brake pressure modulator valve bracket

Harness Routing Views in Wiring Systems

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S113

In the forward lamp harness approximately 7 cm (2.8 in) from the electronic throttle control (ETC) module/cruise control module breakout

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S166

In the forward lamp harness, approximately 14 cm (5.5 in) from G105 breakout

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S169

In the forward lamp harness, approximately 6 cm (2.4 in) from the main branch into the engine wiring harness junction block 1 breakout

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S179

In the forward lam harness, approximately 25 cm (9.8 in) from the engine wiring harness junction block 1 breakout

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