GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Engine Coolant Fan Motor (LH)

Mounted on the left side of the radiator

Cooling System Component Views

Cooling System Connector End Views

Engine Coolant Fan Motor (RH)

Mounted on the right side of the radiator

Cooling System Component Views

Cooling System Connector End Views

Powertrain Control Module (PCM) (3.1L)

Front left side of the engine, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.1L

Powertrain Control Module Connector End Views in Engine Controls - 3.1L

Powertrain Control Module (PCM) (3.8L)

Front left side of the engine, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls - 3.8L

Underhood Accessory Wiring Junction Block

Right side of the engine compartment, mounted to the strut tower

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C105 (4 cavities) (3.1L)

Engine wiring harness to the engine coolant fan wiring harness, on the radiator right cooling fan

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C105 (4 cavities) (3.8L)

Engine wiring harness to the engine coolant fan wiring harness, on the radiator right cooling fan

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C105 (4 cavities) (3.1L)

Engine wiring harness to the engine coolant fan wiring harness, on the radiator right cooling fan

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G113 (3.1L)

Lower left front of the engine, on the transaxle stud, left of the starter

Harness Routing Views in Wiring Systems

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G113 (3.8L)

Lower left front of the engine, on the transaxle stud, left of the starter

Harness Routing Views in Wiring Systems

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G117 (3.1L)

Lower left front of the engine, on the transaxle stud, above the starter

Harness Routing Views in Wiring Systems

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G117 (3.8L)

Lower left front of the engine, on the transaxle stud, left of the starter

Harness Routing Views in Wiring Systems

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S101

Cooling fan jumper harness, approximately 20 cm (7.8 in) from the left engine cooling fan motor connector

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S102

Cooling fan jumper harness, approximately 20 cm (7.8 in) from the left engine cooling fan motor connector

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S103

Cooling fan jumper harness, approximately 19.5 cm (7.6 in) from the right engine cooling fan motor connector

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S104

Cooling fan jumper harness, approximately 19.5 cm (7.6 in) from the right engine cooling fan motor connector

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S105

Engine wiring harness, front of the engine compartment, approximately 4 cm (2 in) from the C105 (engine coolant fan jumper connector) breakout

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