GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

In the center floor console

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Garage Door Opener

In the overhead console

Garage Door Opener Component Views

Garage Door Opener Connector End Views

IP Fuse Block

To the left of the IP, near the left front door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Fuse Block

In the left rear side of the engine compartment, on the fender

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C100

Part of the engine harness to IP harness, in the left rear side of the engine compartment, at the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C298

Behind the left side of the IP, near the convenience center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C301

At the left front kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C302

At the LF kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304

IP harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305

Cross Body harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C307

Front to Rear harness, Inline to the Overhead Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G400

On the right side B pillar, near the door striker

Power and Grounding Component Views in Wiring Systems

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S167 (All Except Z56, Police Package/Luxury)

Engine harness, approx. 18 cm (7 in) from G115

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S167 (Z56 Police Package/Luxury Only)

Battery harness, approx. 35 cm (13.5 in) from C121

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S210 (Diesel)

IP harness, approx. 14 cm (5.5 in) from steering column harness breakout

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S210 (Gas)

IP harness, approx. 4 cm (1.5 in) from auxiliary power outlet breakout

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S242

IP harness, approx. 12 cm (4.5 in) from the inflatable restraint switch breakout, towards the auxiliary power connectors

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S247

Crossbody harness, approx. 6 cm (2.5 in) into LH door harness breakout

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S248

Crossbody harness, approx. 35 cm (13 in) before the LF door harness breakout, from C301

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S259

Crossbody harness, approx. 7 cm (2.5 in) into seat belt switch harness, toward C212

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S321

In the Overhead Console

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S330

Floor console harness approx. 13 cm (5 in) from LH heated seat switch breakout

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S410 (2-door Utility)

Front-to-rear body harness, approx. 37 cm (14.5 in) from RR door jamb switch breakout, toward RH door speaker breakout

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S410 (4-Door Utility/Suburban)

Front-to-rear body harness, approx. 12 cm (4.5 in) from RR door speaker breakout, toward RR door jamb breakout

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S426 (Utility/Surburban w/o C36/C69)

Front-to-rear body harness, approx. 13 cm (5 in) from front dome lamp breakout, toward rear dome lamp breakout

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S426 (Pickup/Extended Cab w/Overhead Console)

Dome lamp harness, approx. 13 cm (5 in) from CHMSL breakout, toward C411

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S426 (CrewCab)

Dome Lamp harness, approx. 7 cm (2.5 in) from Front Dome Lamp harness breakout, toward C301

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S426 (4-Door Utility/Suburban w/ZW9/C69 & C36)

Front-to-rear body harness, approx. 62 cm (24.5 in) from rear dome lamp breakout, toward front dome lamp breakout

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S443

In the Overhead Console harness, between the Garage Door Opener and Reading Lamps

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