GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

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

At the 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)

At the 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)

To the lower left of the IP

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Engine Oil Pressure Gauge Sensor (2.2L Engine)

RH side of the engine, forward of the coil pack

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Engine Oil Pressure Gauge Sensor (4.3L Engine)

Below distributor

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Engine Controls Connector End Views in Engine Controls - 4.3L

Headlamp Switch

To the left front of the IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Instrument Cluster

In the IP, ahead of the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

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

Powertrain Control Module (PCM) Connector  C2 (2.2L Engine)

On the right of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

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

Supplemental Restraint SystemSensing And Diagnostic Module (SDM)

Between the left and the right seats, below the carpeting

SRS Component Views in SRS

SRS Connector End Views in SRS

Underhood Fuse Block

On 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

Underhood Fuse Block Connector C2 (68 Cavities) (Engine)

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 C2 Red (32 Cavities)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

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 (10 Cavities) (2.2L Engine)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101 (10 Cavities) (4.3L Engine)

Engine harness body harness, to the right of the engine compartment, near the VCM

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

P100

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

Harness Routing Views in Wiring Systems

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S205

(CKT 1220) IP harness, between the breakouts for the radio and BCM connector C3, 8 cm (3.14 in) from the breakout to the radio

Harness Routing Views in Wiring Systems

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Splice Pack SP200

(CKT 41, CKT 241, CKT 341, CKT 817) Strapped to the body harness, in the center front of the IP, to the right of SP 204

Harness Routing Views in Wiring Systems

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Splice Pack SP201

Body harness, to the left of the IP, below the IP Fuse Block, taped to the Body Harness

Harness Routing Views in Wiring Systems

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