GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Relay Center

To the right of the IP, near 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)

To the lower right of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

IP Fuse Block

To the right of the IP, near the right front door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Lumbar and Heat Switch, LH

LH side of left front seat base

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Power Seat Connector End Views in Seats

Lumbar and Heat Switch, RH

RH side of right front seat base

--

Power Seat Connector End Views in Seats

Lumbar Motor, LH

Under the LH seat

--

Power Seat Connector End Views in Seats

Lumbar Motor, RH

Under the RH seat

--

Power Seat Connector End Views in Seats

Lumbar Switch, LH

LH side of left front seat base

--

Power Seat Connector End Views in Seats

Lumbar Switch, RH

RH side of right front seat base

--

Power Seat Connector End Views in Seats

Memory Seat Module, RH

Under the RH seat

--

--

Power Seat Adjuster Switch, LH

LH side of the left seat base

--

Power Seat Connector End Views in Seats

Power Seat Adjuster Switch, RH

RH side of the right seat base

--

Power Seat Connector End Views in Seats

Seat Front Height Motor, LH

Under the left seat

--

--

Seat Front Height Motor, RH

Under the right seat

--

--

Seat Front Height Transducer, LH

Under the left seat

--

--

Seat Front Height Transducer, RH

Under the right seat

--

--

Seat Heater Module, LH

Under the left seat

--

Power Seat Connector End Views in Seats

Seat Heater Module, RH

Under the right seat

--

Power Seat Connector End Views in Seats

Seat Lateral Motor, LH

Under the left seat

--

--

Seat Lateral Motor, RH

Under the right seat

--

--

Seat Lateral Transducer, LH

Under the left seat

--

--

Seat Lateral Transducer, RH

Under the right seat

--

--

Seat Rear Height Motor, LH

Under the left seat

--

--

Seat Rear Height Motor, RH

Under the right seat

--

--

Seat Rear Height Transducer, LH

Under the left seat

--

--

Seat Rear Height Transducer, RH

Under the right seat

--

--

Seat Recliner Motor, LH

Under the left front seat

--

--

Seat Recliner Motor, RH

Under the right front seat

--

--

Underhood Fuse Block

On the top of the right inner wheelwell near the battery

Power and Grounding Component Views in Wiring Systems

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Underhood Fuse Block Connector C1 (68 Cavities)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C203 (116 Cavities)

At the body harness to IP harness, to the of the IP

--

Inline Harness Connector End Views in Wiring Systems

C302 (2 Cavities)

In the left front power seat harness inline to the seat recliner motor

--

Power Seat Connector End Views in Seats

C303 (2 Cavities)

In the right front power seat harness inline to the seat recliner motor

--

Power Seat Connector End Views in Seats

C315 (6 Cavities)

At the body harness to right front seat pigtail connector, under the right front seat

Harness Routing Views in Wiring Systems

 

C317 (6 Cavities)

At the body harness to right front seat pigtail connector, under the right front seat

Harness Routing Views in Wiring Systems

 

G450

(CKT 1350) At the body harness, in the left rear body corner, near the tail lamp harness

Power and Grounding Component Views in Wiring Systems

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P100

At the IP bulkhead pass-through, to the right rear of the engine compartment, on the cowl

--

--

S201

(CKT 1807) In the body harness 13 cm (5.2 in) from the BCM connector breakout toward the C211 steering column connector

--

--

S204

(CKT 41) In the body harness 45 cm (18.2 in) from the BCM connector breakout toward the C211 steering column connector

--

--

S309

(CKT 1440) In the body harness 6.5 cm (2.6 in) from the breakout to C317 toward the IP fuse block

--

--

S313

(CKT 1350) In the RH power seat harness

--

--

S314

(CKT 2240) In the LH power seat harness

--

--

S315

(CKT 569) In the RH power seat harness

--

--

S316

(CKT 569) In the RH power seat harness

--

--

S320

(CKT 1350) In the LH power seat harness

--

--

S321

(CKT 2240) In the RH power seat harness

--

--

S427

(CKT 1350) At the left rear body harness, 7 cm (2.75 in) forward of the breakout to the left tail lamp connector C403

Power and Grounding Component Views in Wiring Systems

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