GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

Under left side of the instrument panel near the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Door Lock Relay (w/B9Q)

Right rear of the passenger compartment

Power Door Systems Component Views

Power Door Systems Connector End Views

Driver Door Module (DDM)

Middle of the driver door, behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Driver Door Switch Assembly (DDSA)

Center top of the left front door, in the door trim panel below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Drivers Left Middle Power Window Switch (w/V4U)

In the passenger compartment

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--

Drivers Right Middle Power Window Switch (w/V4U)

In the passenger compartment

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Instrument Cluster

Left side of the instrument panel, above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

Instrument Panel Integration Module (IPM)

Center of the instrument panel, above the radio

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

LH Front Door Lock Actuator

Rear of the left front door, behind the door trim panel on the door latch

Power Door Systems Component Views

Power Door Systems Connector End Views

LH Front Door Lock Switch

Rear of the left front door, in the door lock cylinder

Theft Deterrent System Component Views in Theft Deterrent

Theft Deterrent System Connector End Views in Theft Deterrent

LH Front Power Window Motor

Center of the left front door, behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

LH Middle Door Lock Actuator (w/V4U)

In the left middle door, behind the door trim panel on the door latch

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--

LH Middle Door Lock Switch (w/V4U)

Top of the left middle door, in the door trim panel

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LH Middle Door Module (LMDM) (w/V4U)

In the left middle door, behind the door trim panel

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LH Middle Door Park Relay Assembly (w/V4U)

In the left middle door, behind the door trim panel

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--

LH Middle Door Release Switch

On the left side B pillar

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LH Middle Door Release Switch

On the left rear door

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--

LH Middle Power Window Motor (w/V4U)

Center of the left middle door, behind the door trim panel

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LH Middle Power Window Switch (w/V4U)

Center top of the left middle door, in the door trim panel

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LH Outside Rearview Mirror

On the outside of the left front door, near the top of the door

Power Door Systems Component Views

Power Door Systems Connector End Views

LH Rear Door Lock Actuator

Rear of the left rear door, behind the door trim panel on the door latch

Power Door Systems Component Views

Power Door Systems Connector End Views

LH Rear Door Lock Switch

Center top of the left rear door, in the door trim panel near the inside door handle

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

LH Rear Door Module (LRDM)

Front of the left rear door, behind the door trim panel near the radio speaker

Power Door Systems Component Views

Power Door Systems Connector End Views

LH Rear Power Window Motor

Center of the left rear door, behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

LH Rear Power Window Switch

Center top of the left rear door, in the door trim panel below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

Memory Function Switch

Center top of the left front door, in the door trim panel below the inside door handle

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Park Position Door Relay (w/V4U)

Right rear of the passenger compartment, behind the rear seat back

Power Door Systems Component Views

Power Door Systems Connector End Views

Passenger Front Door Module (PFDM)

Right front door, behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Rear Door Lock Actuator (w/B9Q)

In the rear door, behind the trim panel

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Rear Fuse Block

Left rear of the passenger compartment, under the rear seat

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Rear Integration Module (RIM)

Right rear of the passenger compartment, behind the rear seat back

Body Control System Component Views in Body Control Module

Body Control System Connector End Views in Body Control Module

RH Front Door Lock Actuator

Rear of the passenger front door, behind the door trim panel on the door latch

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Front Door Lock Switch

Center top of the right front door, in the door trim panel near the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Front Power Window Motor

Center of the right front door, behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Front Power Window Switch

Center top of the right front door, in the door trim panel below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Middle Door Lock Actuator (w/V4U)

In the right middle door, behind the door trim panel on the door latch

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--

RH Middle Door Lock Switch (w/V4U(

Top of the right middle door, in the door trim panel

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--

RH Middle Door Module (RMDM) (w/V4U)

In the right middle door, behind the door trim panel

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--

RH Middle Door Park Relay Assembly (w/V4U)

In the right middle door, behind the door trim panel

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RH Middle Power Window Motor (w/V4U)

Center of the right middle door, behind the door trim panel

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RH Middle Power Window Switch (w/V4U)

Center top of the right middle door, in the door trim panel

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RH Middle Door Release Switch

On the right side B pillar

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RH Middle Door Release Switch

On the right rear door

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--

RH Outside Rearview Mirror

On the outside of the right front door, near the top of the door

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Rear Door Lock Actuator

Rear of the right rear door, behind the door trim panel on the door latch

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Rear Door Lock Switch

Rear of the right rear door, behind the door trim panel on the door latch

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

RH Rear Door Module (RRDM)

Front of the right rear door, behind the door trim panel near the radio speaker

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Rear Power Window Motor

Center of the right rear door, behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

RH Rear Power Window Switch

Center top of the right rear door, in the door trim panel below the inside door handle

Power Door Systems Component Views

Power Door Systems Connector End Views

C200 (40 cavities)

Instrument panel harness to body harness, under the left side of the instrument panel near the park brake pedal

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C202 (40 cavities)

Body harness to steering column harness, under the left side of the instrument panel near the base of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C209 (5 cavities) (w/V4U)

Body harness to the upfitter harness, on the right side of the passenger compartment (for the driver's left middle door window switch).

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Inline Harness Connector End Views in Wiring Systems

C210 (5 cavities) (w/V4U)

Body harness to the upfitter harness, on the right side of the passenger compartment (for the driver's right middle door window switch).

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Inline Harness Connector End Views in Wiring Systems

C316 (7 cavities) (w/V4U)

Body harness to the upfitter harness, left rear of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C317 (10 cavities) (w/V4U)

Body harness to the upfitter harness, at the left rear of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C318 (7 cavities) (w/V4U)

Body harness to the upfitter harness, right rear of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C319 (10 cavities) (w/V4U)

Body harness to the upfitter harness, right rear of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C332 (2 cavities) (w/V4U)

Body harness to the upfitter harness, left side of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C333 (2 cavities) (w/V4U)

Body harness to the upfitter harness, right side of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C334 (7 cavities) (w/B9Q)

Body harness to the upfitter harness, left side of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C335 (7 cavities) (w/B9Q)

Body harness to the upfitter harness, right side of the passenger compartment.

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C340 (30 cavities) (w/V4U)

Left middle door harness to the left middle door trim harness, behind the left middle door trim

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C341 (2 cavities) (w/V4U)

Right middle door harness to the right middle door trim harness, behind the right middle door trim

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C411 (2 cavities) (w/B9Q)

Body harness to the upfitter harness, left rear of the vehicle

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Inline Harness Connector End Views in Wiring Systems

C500 (18 cavities)

Driver door harness to body harness, left front corner of the passenger compartment near the P500 pass through

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C501 (30 cavities)

Driver door harness to left door trim harness, in the driver door near the door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C600 (18 cavities)

Passenger door harness to body harness, right front corner of the passenger compartment near the P600 pass through

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (30 cavities)

Passenger door harness to right front door trim harness, in the passenger door near the door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C700 (6 cavities)

Left rear door harness to body harness, left side of the passenger compartment in the door pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C701( 10 cavities)

Left rear door harness to body harness, left of the passenger compartment in the door pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C702 (30 cavities)

Left rear door harness to left rear door trim harness, in the left rear door, near the door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C800 (7 cavities)

Right rear door harness to body harness, right of the passenger compartment in the door pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C801 (10 cavities)

Right rear door harness to body harness, right of the passenger compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C802 (30 cavities)

Right rear door harness to right rear door trim harness, near the door trim panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

LH front corner of the passenger compartment, under the front of the sill trim plate

Power and Grounding Component Views in Wiring Systems

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G201

Right front corner of the passenger compartment, under the front of the sill trim plate

Power and Grounding Component Views in Wiring Systems

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G302

Under the right front seat, on the number two bar near the inflatable restraint sensing diagnostic module

Power and Grounding Component Views in Wiring Systems

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P500

Left front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P501

Behind the left front door trim panel, near the radio speaker

Harness Routing Views in Wiring Systems

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P600

Right front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P601

Behind the right front door trim panel, near the radio speaker

Harness Routing Views in Wiring Systems

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S221

In the steering column harness

Harness Routing Views in Wiring Systems

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S312 (w/ B9Q)

In the body harness, approximately 92 cm (36.2 in) from C317

Harness Routing Views in Wiring Systems

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S313 (w/ B9Q)

In the body harness, approximately 98.5 cm (38.8 in) from C317

Harness Routing Views in Wiring Systems

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S314 (w/ V4U)

In the body harness, approximately 75.5 cm (29.7 in) from C700

Harness Routing Views in Wiring Systems

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S315 (w/ V4U)

In the body harness, approximately 69 cm (27.2 in) from C700

Harness Routing Views in Wiring Systems

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S316 (w/ V4U)

In the body harness, approximately 69 cm (27.2 in) from C700

Harness Routing Views in Wiring Systems

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S317 (w/ V4U)

In the body harness, on the right rear of the passenger compartment, approximately 22.5 cm (9 in) from the cross car channel.

Harness Routing Views in Wiring Systems

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S319 (w/ V4U)

In the body harness, approximately 75.5 cm (29.7 in) from C800

Harness Routing Views in Wiring Systems

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S320 (w/ V4U)

In the body harness, approximately 69 cm (27.2 in) from C800

Harness Routing Views in Wiring Systems

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S321 (w/ V4U)

In the body harness, approximately 69 cm (27.2 in) from C800

Harness Routing Views in Wiring Systems

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S340

In the left outside rearview mirror

Harness Routing Views in Wiring Systems

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S341

In the left outside rearview mirror

Harness Routing Views in Wiring Systems

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S342 (w/ V4U)

In the right middle door harness, between the right middle door module and the right middle power window switch

Harness Routing Views in Wiring Systems

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S343 (w/ V4U)

In the right middle door harness, between the right middle door module and the right middle power window switch

Harness Routing Views in Wiring Systems

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S344 (w/ V4U)

In the right middle door harness, between the right middle door module and the right middle power window switch

Harness Routing Views in Wiring Systems

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S345 (w/ V4U)

In the left middle door harness, between the left middle door module and the left middle power window switch

Harness Routing Views in Wiring Systems

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S346 (w/ V4U)

In the left middle door harness, between the left middle door module and the left middle power window switch

Harness Routing Views in Wiring Systems

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S347 (w/ V4U)

In the left middle door harness, between the left middle door module and the left middle power window switch

Harness Routing Views in Wiring Systems

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S348 (w/ V4U)

In the left middle door trim harness

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S349 (w/ V4U)

In the right middle door trim harness

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S350 (w/ V4U)

In the right middle door harness

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S351 (w/ V4U)

In the left middle door harness

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S352 (w/ V4U)

In the left middle door harness

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S353 (w/ V4U)

In the right middle door harness

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S354

In the right outside rearview mirror

Harness Routing Views in Wiring Systems

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S355

In the right outside rearview mirror

Harness Routing Views in Wiring Systems

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S356 (w/V4U)

In the left middle door harness

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S357 (w/V4U)

In the right middle door harness

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S500

In the left front door harness, approximately 26.5 cm (10.4 in) from the driver door module connector C3

Harness Routing Views in Wiring Systems

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S501

In the left front door trim harness, approximately 23.5 cm (9.3 in) from C501

Harness Routing Views in Wiring Systems

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S600

In the right front door trim harness, approximately 25 cm (9.8 in) from C601

Harness Routing Views in Wiring Systems

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S602

In the right front door harness, approximately 23  cm (9.1  in) from the RH front door speaker connector

Harness Routing Views in Wiring Systems

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S603

In the right front door harness, approximately 27 cm (10.6  in) from the RH front door speaker connector

Harness Routing Views in Wiring Systems

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S700

In the left front door harness, approximately 17 cm (6.7 in) from the driver door module connector C1

Harness Routing Views in Wiring Systems

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S701

In the left rear door harness, approximately 23.5 cm (9.3 in) from the driver door module connector C1

Harness Routing Views in Wiring Systems

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S703

In the left rear door trim harness, approximately 13.5 cm (5.3 in) from C702

Harness Routing Views in Wiring Systems

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S800

In the right rear door harness, approximately 16.5 cm (6.5 in) from the right rear door module connector C3

Harness Routing Views in Wiring Systems

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S802

In the right rear door trim harness, approximately 20 cm (7.9 in) from C802

Harness Routing Views in Wiring Systems

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