GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Engine Coolant Fans

Behind the radiator

 

Cooling System Connector End Views

Engine Coolant Fan Relays

In the underhood electrical center 1

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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

Powertrain Control Module Connector End Views

Powertrain Control Module (PCM) (V8 VIN G)

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

Power and Grounding Component Views

Powertrain Control Module Connector End Views

Underhood Electrical Center 1

On the Left front corner of the engine compartment

Power and Grounding Component Views

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C100 (10 cavities)

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

Harness Routing Views

Inline Harness Connector End Views

G106

Attached to the top left side of the radiator support

Harness Routing Views

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S113

In the forward lamp harness approximately 7 cm (3 in) from the engine coolant fans/cruise control

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S166

Forward lamp harness, approximately 14 cm (6 in) from G105 breakout

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S167

Forward lamp harness, approximately 7 cm (3 in) from electronic brake control module (EBCM) breakout

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S169

In the forward lamp harness, approximately 6 cm (2 in) from the main branch into the UH electrical center 1 breakout

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