GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Relay Block

LH of the dash, right of the IP Fuse Block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Body Control Module (BCM) Connector C1, Brown (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C2, Blue (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Lock Actuator, LH

Inside the door by the latches

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Actuator, RH

Inside the door by the latches

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Actuator, LH Rear

Rear of the LH Rear side door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Actuator, RH Rear

At the rear of the RH Rear side door

Power Door Systems Component Views

Power Door Systems Connector End Views

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

In the LH door trim panel near armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

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

In the LH door trim panel near armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

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

In the RH door trim panel near 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 RH door trim panel near armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Cylinder Switch, LH

Inside the door at the lock cylinder

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Cylinder Switch, RH

Inside the door at the lock cylinder

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Relay

In the Body Relay Block

Power Door Systems Component Views

Power Door Systems Connector End Views

Endgate Lock Cylinder Switch

Top center of the endgate

Power Door Systems Component Views

Body Rear End Connector End Views in Body Rear End

IP Fuse Block

LH of the IP, near the door jamb switch, LF

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Liftgate Lock Actuator

Bottom center of the liftgate

Power Door Systems Component Views

Power Door Systems Connector End Views

Liftgate Lock Cylinder Switch

Bottom center of the liftgate

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rear View Mirror, LH (10 Cavities)

Door harness to 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 outside rear view mirror pigtail connector

Power Door Systems Component Views

Power Door Systems Connector End Views

Outside Rear View Mirror Switch

In the LH door trim panel beside the armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Lockout Switch

The second connector from the front at the LF armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, LH

In the LH Front Side Door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, RH

In the RH Front Side Door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, LH Rear

In the LH Rear door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Regulator Motor, RH Rear

In the RH Rear door

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Switch, LH Rear

On the LH Rear door armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Side Window Switch, RH Rear

On the RH Rear door armrest

Power Door Systems Component Views

Power Door Systems Connector End Views

Underhood Fuse Block

On the top of the left inner wheelwell

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 RH of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304 (6 Cavities) (4-Door Utility)

Body harness to LH rear door harness, near the LH rear door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C306 (6 Cavities) (4-Door Utility)

Body harness to RH rear door harness, near the RH rear door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C413 (6 Cavities) (Utility w/ Endgate)

Body harness to endgate harness, to the rear left center of the body, at the endgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C426 (8 Cavities) (Utility w/ Liftgate)

Body harness to liftglass harness in-line connector, near the upper LH corner of the liftgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C500 (22 Cavities) (w/ Power Locks/Windows)

Body harness to LF door harness, in the LF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C501 (16 Cavities) (4-Door Utility only)

Body harness to LF door harness, in the LF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (4 Cavities) (w/o Power Locks/Windows)

Body harness to RF door harness, in the RF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (22 Cavities) (w/ Power Locks/Windows)

Body harness to RF door harness, in the RF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

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

Harness Routing Views in Wiring Systems

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G201

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

Harness Routing Views in Wiring Systems

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G202

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

Harness Routing Views in Wiring Systems

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P100

IP bulkhead pass-through, LH rear of the engine compartment, on the cowl

Harness Routing Views in Wiring Systems

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P500

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

Harness Routing Views in Wiring Systems

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P600

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

Harness Routing Views in Wiring Systems

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P700 (4-Door Utility) (LH Rear)

Body to LH rear door harness

Harness Routing Views in Wiring Systems

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P800 (4-Door Utility) (RH Rear)

Body to RH rear door

Harness Routing Views in Wiring Systems

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P900 (Utility w/ Endgate)

Body to the endgate, between the body harness and the endgate

Harness Routing Views in Wiring Systems

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P901 (Utility w/ Liftgate)

Body to the LH liftgate harness, in the LH of the liftgate

Harness Routing Views in Wiring Systems

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S290

(CKT 1301) IP harness, between the breakout to the BCM, C3, and In-line Connector C205

Harness Routing Views in Wiring Systems

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S306 (4-door Utility)

(CKT 1307) Body harness, on the breakout to the LH rear door, on the pillar, 10 cm (4 in) above the harness clip

Harness Routing Views in Wiring Systems

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S307 (4-door Utility)

(CKT 294) Body harness, on the breakout to the RH rear door, on the pillar, 10 cm (4 in) above the harness clip

Harness Routing Views in Wiring Systems

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S308 (4-door Utility)

(CKT 295) Body harness, on the breakout to the LH rear door, on the pillar, 7 cm (2.8 in) below the harness clip

Harness Routing Views in Wiring Systems

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S476 (Envoy only)

(CKT 1301) Body harness, 7 cm (2.8 in) from G450 breakout toward rear of vehicle

Harness Routing Views in Wiring Systems

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S501

(CKT 1850) LH door harness, between breakout to door speaker and door lock and side window switch

Harness Routing Views in Wiring Systems

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Splice Pack SP202

(CKT 379, CKT 1850) Strapped to the body harness, at the LH center of the IP

Harness Routing Views in Wiring Systems

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Splice Pack SP204

(CKT 584, CKT 1414, CKT 1415, CKT 1050) Strapped to the body harness, in the center front of the IP, to the LH of SP200

Harness Routing Views in Wiring Systems

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