GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Fuse Block

Right side of the IP, in the IP compartment opening

Power and Grounding Component Views in Wiring Systems

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Heater-A/C Control (C60)

Center of the IP

HVAC Component Views in HVAC Manual (RPO C60/Cj3) Systems

HVAC Connector End Views in HVAC Manual (RPO C60/Cj3) Systems

Heater-A/C Control (CJ2)

Center of the IP

HVAC Component Views in HVAC Automatic (CJ3) Systems

HVAC Connector End Views in HVAC Automatic (CJ3) Systems

Inside Rearview Mirror

Top center of the windshield

Lighting Systems Component Views in Lighting Systems or

Stationary Windows Component Views

Lighting Systems Connector End Views in Lighting Systems or

Stationary Windows Connector End Views

Radio Noise Suppressor Wire (Filter Lead)

In the right center pillar in the middle of the rear window panel

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Rear Defogger Grid

On the rear window

Stationary Windows Component Views

Stationary Windows Connector End Views

Rear Window Defogger Relay

Behind the right side of the IP, mounted to the IP cross beam above the fuse block

Stationary Windows Component Views

Stationary Windows Connector End Views

Transaxle Range Switch

Left rear of the engine compartment, on the transaxle

Engine Controls Component Views in Engine Controls 3.1L and

Engine Controls Component Views in Engine Controls 3.8L

Engine Controls Connector End Views in Engine Controls 3.1L and

Engine Controls 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

C200 (56 cavities)

IP wiring harness to the body wiring harness, behind the right side of the IP, near the shroud

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C390 (8 cavities)

Body wiring harness to the dome lamp wiring harness, in the rear compartment under the right side of the rear window panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C400 (6 cavities)

Body wiring harness to the rear lamp wiring harness, behind the trim at the right rear corner of the rear compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

Right side of the IP cross beam, behind the fuse block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G301

Inside the left door sill, forward of the left front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G302

Right door sill, forward of the right front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

P100

Lower right side of the dash panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

S206

IP wiring harness, right side of the steering column, approximately 4 cm (2 in) from the data link connector breakout

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S213

IP wiring harness, approximately 4 cm (2 in) from the blower motor resistors/control module breakout

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S390

Dome lamp wiring harness, near the center of the windshield header, approximately 4 cm (2 in) from the windshield header courtesy/reading lamps breakout

Harness Routing Views in Wiring Systems

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S394

Dome lamp wiring harness, near the center of windshield header, approximately 11 cm (4 in) from the windshield header courtesy/reading lamps breakout

Harness Routing Views in Wiring Systems

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S406

Body wiring harness, below the rear window panel, approximately 10 cm (4 in) from the C405 (inline connector to fuel tank harness) breakout

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