GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Relay Block

RH 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 RH of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Engine Oil Pressure Gauge Sensor

Below distributor

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

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

RH of the IP, near the side door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

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

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) Connector C2 Red (32 Cavities)

LH 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)

LH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

C101 (8 Cavities)

Engine harness to body harness, LH 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 left of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G105

(CKT 451) Engine harness, LH Rear of the cylinder head

Harness Routing Views in Wiring Systems

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G200

(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, RH rear of the engine compartment, on the cowl

Harness Routing Views in Wiring Systems

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S201

(CKT 1807) Body harness, 13 cm (5.12 in) from the BCM connector breakout toward C211

Harness Routing Views in Wiring Systems

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S205

(CKT 1220) IP harness, between the breakouts for the instrument cluster and BCM connector C3, 6 cm (2.56 in) from the breakout to the BCM

Harness Routing Views in Wiring Systems

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S209

(CKT 1850) Body harness, 6.5 cm (2.56 in) from the BCM connector toward C211

Harness Routing Views in Wiring Systems

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S223

(CKT 300) At the IP harness, near the IP fuse block, in the breakout, 8 cm (15 in) from C217

Harness Routing Views in Wiring Systems

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S224

(CKT 451) IP harness, between the breakouts for the BCM C3 and the radio connector, 19.5 cm (7.68 in) from the BCM C3 breakout

Harness Routing Views in Wiring Systems

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S287

(CKT 340) IP harness, between the breakouts for the BCM C3 and the radio connector, 9 cm (3.54 in) from the radio connector 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, strapped to the Body Harness

Harness Routing Views in Wiring Systems

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