GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Engine Coolant Fan Motor

Front of the engine compartment, mounted to the radiator

Cooling System Component Views

Cooling System Connector End Views

Powertrain Control Module (PCM)

Left side of the engine compartment, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.1L or Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls Systems 3.1L or 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 coolant fan wiring harness, on the radiator between the coolant fans

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C105 (4 cavities) (3.8L)

Engine wiring harness to the coolant fan wiring harness, on the radiator between the coolant fans

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G117 (3.1L)

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

Harness Routing Views in Wiring Systems

--

G117 (3.8L)

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

Harness Routing Views in Wiring Systems

--

S105

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

--

--