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

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

Heated Seat Assembley - Driver (C308)

Under the LH seat

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Power Seat Connector End Views

Heated Seat Assembly - Front Passenger (C309)

Under the RH seat

--

Power Seat 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

Lumbar Motor, LH

Under the LH seat

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Power Seat Connector End Views

Lumbar Motor, RH

Under the RH seat

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Power Seat Connector End Views

Lumbar Switch, LH

LH side seat lower

Power Seat Component Views

Power Seat Connector End Views

Lumbar Switch, RH

RH side seat lower

Power Seat Component Views

Power Seat Connector End Views

Power Recliner Motor, LH

In the LH seat back, mounted to the frame

--

Power Seat Connector End Views

Power Recliner Motor, RH

In the RH seat back, mounted to the frame

--

Power Seat Connector End Views

Power Seat Adjuster Switch, LH (6-Way & 8-Way Memory)

On the left side of the LH Front lower seat cushion

Power Seat Component Views

Power Seat Connector End Views

Power Seat Adjuster Switch, LH Connector C1 (8-Way Non-Memory)

On the left side of the LH Front lower seat cushion

Power Seat Component Views

Power Seat Connector End Views

Power Seat Adjuster Switch, LH Connector C2 (8-Way Non-Memory)

On the left side of the LH Front lower seat cushion

Power Seat Component Views

Power Seat Connector End Views

Power Seat Adjuster Switch, RH (6-Way & 8-Way Memory)

On the right side of the RH Front lower seat cushion

Power Seat Component Views

Power Seat Connector End Views

Power Seat Adjuster Switch, RH Connector C1 (8-Way Non-Memory)

On the right side of the RH Front lower seat cushion

Power Seat Component Views

Power Seat Connector End Views

Power Seat Adjuster Switch, RH Connector C2 (8-Way Non-Memory)

On the right side of the RH Front lower seat cushion

Power Seat Component Views

Power Seat Connector End Views

Seat Belt Switch , LH

Under the LH seat

Power Seat Component Views

Power Seat Connector End Views

Seat Belt Switch - Front Passenger

Under the RH seat

Power Seat Component Views

Power Seat Connector End Views

Seat Front Height Motor, LH

Under the LH seat

--

Power Seat Connector End Views

Seat Front Height Motor, RH

Under the RH seat

--

Power Seat Connector End Views

Seat Lateral Motor, LH

Under the LH seat

--

Power Seat Connector End Views

Seat Lateral Motor, RH

Under the RH seat

--

Power Seat Connector End Views

Seat Lateral Transducer, LH

Under the LH seat

--

Power Seat Connector End Views

Seat Lateral Transducer, RH

Under the RH seat

--

Power Seat Connector End Views

Seat Memory Module, LH Connector C1 (18 Cavities)

Under the LH seat

--

Power Seat Connector End Views

Seat Memory Module, LH Connector C2 (8 Cavities)

Under the LH seat

--

Power Seat Connector End Views

Seat Memory Module, LH Connector C3 (2 Cavities)

Under the LH seat

--

Power Seat Connector End Views

Seat Memory Module, RH Connector C1 (18 Cavities)

Under the RH seat

--

Power Seat Connector End Views

Seat Memory Module, RH Connector C2 (8 Cavities)

Under the RH seat

--

Power Seat Connector End Views

Seat Memory Module, RH Connector C3, (2 Cavities)

Under the RH seat

--

Power Seat Connector End Views

Seat Rear Height Motor, LH

Under the LH seat (passenger optional)

--

Power Seat Connector End Views

Seat Rear Height Motor, RH

Under the RH seat

--

Power Seat Connector End Views

Seat Rear Height Transducer, LH

Under the LH seat (passenger optional)

--

Power Seat Connector End Views

Seat Rear Height Transducer, RH

Under the RH seat

--

Power Seat Connector End Views

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

C302 (4 Cavities) (Utility w/ Memory Power Seats)

LH Power Recliner Harness, under the left front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C315 (6 Cavities) (4-door Utility w/ Power Seats)

Body harness to RF seat pigtail connector, under the RF seat

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

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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S304 (4-Door Utility)

(CKT 1440) Body harness, before the breakout to the RH, and LH rear doors

Harness Routing Views in Wiring Systems

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S313 (w/ Power Seats)

(CKT 1350) LH Power Seat harness, 15 cm (5.9 in) from C317

Harness Routing Views in Wiring Systems

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S315 (w/ Mem Power Seats)

(CKT 557, CKT 568, CKT 569) LH Power Seat harness, 9 cm (3.5 in) beyond the breakout to the Seat Memory Module

Harness Routing Views in Wiring Systems

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S316 (w/ Mem Power Seats)

(CKT 557, CKT 568, CKT 569, CKT 570) LH Power Seat harness, 9 cm (3.5 in) beyond the breakout to the Seat Memory Module

Harness Routing Views in Wiring Systems

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S320 (w/ Power Seats)

(CKT 1350) RH Power Seat harness, 15 cm (5.9 in) from C315

Harness Routing Views in Wiring Systems

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S427 (Utility)

(CKT 1350, CKT 1450) LH rear body harness, 7 cm (2.6 in) below the breakout to the left tail lamp connector C403

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 RH of SP204

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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