GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

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

Body Control Module (BCM) Connector C3, Purple (16 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

Data Link Connector (DLC)

Lower LH of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Door Handle Switch, LH

Inside the door by the latches

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Handle Switch, RH

Inside the door by the latches

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Jamb Switch, LH

LH of the IP

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Jamb Switch, RH

RH of the IP

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Jamb Switch, LH Rear

In the LH B pillar

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Jamb Switch, RH Rear

In the RH B pillar

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Lock Cylinder Switch, LH

Inside the door at the lock cylinder

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock Cylinder Switch, RH

Inside the door at the lock cylinder

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views

Ignition Key Alarm Switch

At the ignition switch, part of the lock module

Audible Warnings Component Views in Instrument Panel, Gauges and Console

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Passlockā„¢ Sensor

At the ignition switch, part of the lock module

Tilt Wheel/Column Component Views in Steering Wheel and Column - Tilt

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Powertrain Control Module (PCM) Connector C1 (2.2L Engine)

On the right side of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Powertrain Control Module Connector End Views in Engine Controls - 2.2L

Rear Window Wiper Cutout and Liftglass Ajar Jamb Switch (Utility)

In the liftgate/endgate, near the latch

Wiper/Washer Component Views in Wipers/Washer Systems

Wiper/Washer Connector End Views in Wipers/Washer Systems

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

Vehicle Control Module (VCM) (4.3L Engine)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

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Vehicle Control Module (VCM) (4.3L Engine) Connector C4 (24 Cavities)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

C101 (16 Cavities) (2.2L Engine)

Engine harness to body harness, RH of the engine compartment, near the PCM

Harness Routing Views in Wiring Systems

Inline Harness 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

C211 (48 Cavities)

Body harness to steering column harness, in front of the IP, near the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C411 (2 Cavities) (Utility w/ Endgate)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C428 (8 Cavities) (Utility w/ Liftgate)

Body harness to liftgate harness, near the upper RH corner of the liftgate

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C500 (4 Cavities) (w/o 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

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

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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G203

(CKT 1050) Body harness, to the RH of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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G204

(CKT 1050) Body harness, to the RH of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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G205

(CKT 1050) Body harness, to the RH of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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G450 (Utility)

(CKT 1350) Body harness, in the LH Rear body corner, near C403 to the tail lamp harness

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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S305 (4-door Utility)

(CKT 727) Body harness, on the breakout to the RH rear door, on the pillar, 7 cm (2.8 in) below the harness clip

Harness Routing Views in Wiring Systems

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S427 (Utility)

(CKT 1350, CKT 1450) LH rear body harness, 7 cm (2.8 in) below the breakout to the left tail lamp connector C403

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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S601

(CKT 1050) RH door harness

Harness Routing Views in Wiring Systems

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S900

(CKT 1303) RH liftgate harness, 5 cm (1.9 in) before breakout to rear window washer pump motor

Harness Routing Views in Wiring Systems

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Splice Pack SP201

Body harness, to the LH of the IP, below the IP fuse block, taped to the Body Harness

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 SP203

(CKT 1050) IP harness, on the IP, in front of the ashtray, strapped to the Body Harness

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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