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

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

Instrument Cluster

In the IP, ahead of 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

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

Seat Belt Switch , LH

Under the LH seat

Power Seat Component Views in Seats

Power Seat Connector End Views in Seats

Supplemental Inflatable Restraint Front End Discriminating Sensor, LH

On the front frame crossmember

SIR Component Views

SIR Connector End Views

Supplemental Inflatable Restraint Front End Discriminating Sensor, RH

On the front frame crossmember

SIR Component Views

SIR Connector End Views

Supplemental Inflatable Restraint IP Module

Behind the RH IP

SIR Component Views

SIR Connector End Views

Supplemental Inflatable Restraint IP Module Switch (Pickup)

On the IP, to the left of the radio

SIR Component Views

SIR Connector End Views

Supplemental Inflatable Restraint Sensing and Diagnostic Module (SDM)

Between the LF and RF seats, below the console and carpeting

SIR Component Views

SIR Connector End Views

Supplemental Inflatable Restraint Steering Wheel Inflator Module

In the steering wheel

SIR Component Views

SIR Connector End Views

Supplemental Inflatable Restraint Steering Wheel Module Coil

In the steering column

SIR Component Views

SIR Connector End Views

C109 (2 Cavities)

SIR body harness to antilock brake 4WAL harness connector, LH of the engine compartment, near the EBCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C119 (2 Cavities) (w/ California Emissions)

4WAL/SIR harness to AIR jumper harness, at the RH framerail, next to G118

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200 (2 Cavities)

SIR IP harness to body harness connector, RH of the IP, next to C203

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

C214 (2 Cavities)

SIR 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

C317 (6 Cavities) (Pickup)

Body harness to LF seat belt switch and power seats, under the LF seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C317 (6 Cavities) (Utility)

Body harness to LF seat belt switch and power seats, under the LF seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G118

(CKT 1851) 4WAL/SIR harness, at the RH frame rail, forward of the RF wheel

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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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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S205

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

Harness Routing Views in Wiring Systems

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S250 (Envoy)

(CKT 800) Body harness SIR insert, between the breakouts for the steering column and the SDM module, 6 cm from the breakout to the SDM module

Harness Routing Views in Wiring Systems

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S282 (4WD Base Pickup Only)

(CKT 1382) IP harness, between the breakouts to the BCM connector C3 and the stereo radio, 6 cm from the breakout to the BCM

Harness Routing Views in Wiring Systems

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S313 (w/ Power Seats)

(CKT 1350) LH Power Seat harness, 15 cm from C317

Harness Routing Views in Wiring Systems

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S427 (Utility)

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

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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