GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

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Body Control Module (BCM) Connector C1 (BRN) (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Body Control Module (BCM) Connector C2 (LT BLU) (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Body Relay Block

Right side of the IP, left of the IP fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Data Link Connector (DLC)

Lower right of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Door Lock and Side Window Switch, LH

In the left door trim panel, near the armrest

Power Door Systems Component Views

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Door Lock and Side Window Switch, LH Connector C1 (11 Cavities)

In the left door trim panel, near the armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock and Side Window Switch, LH Connector C2 (3 Cavities)

In the left door trim panel, near the armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock and Side Window Switch, RH

In the right door trim panel, near the armrest

Power Door Systems Component Views

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Door Lock and Side Window Switch, RH Connector C1 (11 Cavities)

In the right door trim panel, near the armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock and Side Window Switch, RH Connector C2 (8 Cavities)

In the right door trim panel, near the armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Cylinder Switch, LH

Part of the door latch assembly

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Cylinder Switch, RH

Part of the door latch assembly

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Relay

In the body relay block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Door Unlock Relay

In the body relay block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Driver Door Unlock Relay

In the body relay block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Electronic Climate Control (ECC) Module

The center of the IP, below the radio

HVAC Component Views in HVAC Systems - Automatic

HVAC Connector End Views in HVAC Systems - Automatic

Endgate Lock Cylinder Switch

Top center of the endgate

Body Rear End Component Views in Body Rear End

Body Rear End Connector End Views in Body Rear End

IP Fuse Block

Right of the IP, near the side door jamb switch

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Outside Rear View Folding Mirror Switch

On the top of the right door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rear View Mirror, LH (10 Cavities)

Door harness to the outside rear view mirror pigtail connector

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rear View Mirror, RH (10 Cavities)

Door harness to the outside rear view mirror pigtail connector

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rear View Mirror Switch

In the right door trim panel, beside the armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Rear Window Defogger Relay

In the underhood fuse block

Power and Grounding Component Views in Wiring Systems

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Rear Window Defogger Switch

Part of the electronic climate control module

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Stationary Windows Connector End Views in Stationary Windows

Side Door Lock Actuator, LF

Part of the door latch assembly

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Door Lock Actuator, RF

Part of the door latch assembly

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Door Lock Actuator, LR

At the rear of the LR side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Door Lock Actuator, RR

At the rear of the RR side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Lockout Switch

The second connector from the front at the RF armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, LF

In the LF side door

Power Door Systems Component Views

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Side Window Regulator Motor, LF Connector C1 (4 Cavities)

In the LF side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, LF Connector C2 (2 Cavities)

In the LF side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, RF

In the RF side door

Power Door Systems Component Views

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Side Window Regulator Motor, RF Connector C1 (4 Cavities)

In the RF side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, RF Connector C2 (2 Cavities)

In the RF side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, LR

In the LR door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, RR

In the RR door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Switch, LR

On the LR door armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Switch, RR

On the RR door armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Underhood Fuse Block

On the top of the right inner fenderwell

Power and Grounding Component Views in Wiring Systems

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Underhood Fuse Block Connector C1 (68 Cavities) (Body)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C203 (116 Cavities)

Body harness to IP harness, to the left of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C404 (6 Cavities)

Body harness to LR door harness, near the LR door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C406 (6 Cavities)

Body harness to RR door harness, near the RR door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C413 (6 Cavities)

Body harness to endgate harness, to the LR center of the body, at the endgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C501 (22 Cavities)

Body harness to LF door harness, near P500

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (16 Cavities)

Body harness to RF door harness, near P600

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C610 (22 Cavities)

Body harness to RF door harness, near P600

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

(CKT 1850) At the body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G201

(CKT 1850) At the body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G203

(CKT 1050) At the body harness, to the right of the IP

Harness Routing Views in Wiring Systems

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G204

(CKT 1050) At the body harness, to the right of the IP

Harness Routing Views in Wiring Systems

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G205

(CKT 1050) At the body harness, to the right of the IP

Harness Routing Views in Wiring Systems

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P100

At the IP bulkhead pass-through to the RR of the engine compartment, on the cowl

Harness Routing Views in Wiring Systems

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P500

Body harness to LF door pass-through, between the body and the LF door

Harness Routing Views in Wiring Systems

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P501

LF door to outside rear view mirror, in the LF door, at the outside rear view mirror

Harness Routing Views in Wiring Systems

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P600

Body harness to LF door pass-through, between the body and the RF door

Harness Routing Views in Wiring Systems

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P601

RF door to outside rear view mirror, in the right front door, at the outside rear view mirror

Harness Routing Views in Wiring Systems

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P700

Between the body and the LR door

Harness Routing Views in Wiring Systems

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P800

Between the body and the RR door

Harness Routing Views in Wiring Systems

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P900

Body to endgate, between the body harness and the endgate

Harness Routing Views in Wiring Systems

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S209

(CKT 1850) In the body harness, 6.5 cm (2.6 in) from the BCM connector breakout toward C211

Harness Routing Views in Wiring Systems

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S211

(CKT 1050) In the body harness, 6.5 cm (2.6 in) from the G203, G204, G205 ground breakout and the ground terminals

Harness Routing Views in Wiring Systems

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S219

(CKT 840) In the body harness, 22 cm (8.7 in) from the rear washer hose breakout toward C203

Harness Routing Views in Wiring Systems

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S301

(CKT 294) In the body harness, between the breakouts to the RR door jamb switch connector and the C315 RH power seat connector, 6.5 cm (2.6 in) from the breakout to the RR door jamb switch connector

Harness Routing Views in Wiring Systems

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S306

(CKT 1307) In the body harness, on the branch to the LR door, on the pillar, 6.5 cm (2.6 in) from the LR side door jamb switch breakout

Harness Routing Views in Wiring Systems

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S308

(CKT 295) In the body harness, on the branch to the LR door, 47.5 cm (18.7 in) from the branch breakout

Harness Routing Views in Wiring Systems

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S501

(CKT 1850) In the LH door harness, between the breakouts for the door lock and side window switch connectors and the side window regulator motor connector, 4 cm (1.6 in) from the door lock and side window switch breakout

Harness Routing Views in Wiring Systems

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S502

(CKT 660) In the LH door harness, between the breakouts for the door lock and side window switch connectors and the side window regulator motor connector, 8 cm (3.1 in) from the side window regulator motor breakout

Harness Routing Views in Wiring Systems

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S600

(CKT  840) In the RH door harness, 12 cm (4.7 in) from the C610

Harness Routing Views in Wiring Systems

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S601

(CKT  1001) In the RH door harness, 16 cm (6.4 in) from the C610

Harness Routing Views in Wiring Systems

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S603

(CKT 1850) In the RH door harness, between the breakouts for the outside rear view mirror C604 and the side window regulator motor C1, 9 cm (3.5 in) from the C604 breakout

Harness Routing Views in Wiring Systems

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S604

(CKT 164) In the RH door harness between the breakouts for the outside rear view mirror C604 and the side window regulator motor C1, 15.5 cm (6.1 in) from the C604 breakout

Harness Routing Views in Wiring Systems

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Splice Pack SP203

(CKT 1050) IP harness, on the IP, in front of the ashtray

Harness Routing Views in Wiring Systems

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