GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

Attached to the I/P carrier, to the left of the steering column

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Data Link Communications Connector End Views in Data Link Communications

Door Lock Switch

Inside the LH front side door, near the door lock cylinder

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Body Control System Connector End Views in Body Control System

Driver Seat Adjuster Memory Module

Attached to the underside of the driver's seat

Power Seat Component Views

Power Seat Connector End Views

Driver Seat Adjuster Switch

LH side of the driver's seat lower trim

Power Seat Component Views

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Driver Seat Back Cushion Heater

Attached to the driver seat back cushion

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Driver Seat Cushion Heater

Attached to the driver's seat cushion

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Driver Seat Heater Relay K55

Under the LH side of the I/P

Power Seat Component Views

Power Seat Connector End Views

Driver Seat Heater Switch

Center of the I/P, to the left of the heater and A/C control

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Power Seat Connector End Views

Driver Seat Recliner Actuator Motor

Attached to the side of the driver's seat backrest

Power Seat Component Views

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Forward/Backward Seat Adjuster Actuator Motor (Driver)

Attached to the underside of the driver's seat

Power Seat Component Views

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Forward/Backward Seat Adjuster Actuator Motor (Passenger)

Attached to the underside of the passenger's seat

Power Seat Component Views

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Front Height Seat Adjuster Actuator Motor (Driver)

Attached to the underside of the driver's seat

Power Seat Component Views

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Front Height Seat Adjuster Actuator Motor (Passenger)

Attached to the underside of the passenger's seat

Power Seat Component Views

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Front Side Door Jamb Switch (LH)

Lower LH A-pillar

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Lighting Systems Connector End Views in Lighting Systems

Fuse Block

Mounted to the I/P, lower LH side of the steering column

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Passenger Seat Adjuster Switch

RH side of the passenger's seat lower trim

Power Seat Component Views

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Passenger Seat Back Cushion Heater

Attached to the passenger's seat back cushion

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Passenger Seat Cushion Heater

Attached to the passenger's seat cushion

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Passenger Seat Heater Relay K56

Under the LH side of the I/P

Power and Grounding Component Views in Wiring Systems

Power Seat Connector End Views

Passenger Seat Heater Switch

Center of the I/P, to the right of the heater and A/C control

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Power Seat Connector End Views

Passenger Seat Recliner Actuator Motor

Attached to the side of the passenger's seat backrest

Power Seat Component Views

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Rear Height Seat Adjuster Actuator Motor (Driver)

Attached to the underside of the driver's seat

Power Seat Component Views

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Rear Height Seat Adjuster Actuator Motor (Passenger)

Attached to the underside of the passenger's seat

Power Seat Component Views

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Rear Seat Back Cushion Heater (LH)

Attached to the LH rear seat back cushion heater

Power Seat Component Views

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Rear Seat Back Cushion Heater (RH)

Attached to the RH rear seat back cushion heater

Power Seat Component Views

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Rear Seat Cushion Heater (LH)

Attached to the LH rear seat cushion heater

Power Seat Component Views

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Rear Seat Cushion Heater (RH)

Attached to the RH rear seat cushion heater

Power Seat Component Views

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Rear Seat Cushion Heater Relay K65 (LH)

Underneath the LH side of the rear seats

Power Seat Component Views

Power Seat Connector End Views

Rear Seat Cushion Heater Relay K66 (RH)

Underneath the LH side of the rear seats

Power Seat Component Views

Power Seat Connector End Views

Rear Seat Heater Switch (LH)

Attached to the rear of the center console

Power Seat Component Views

Power Seat Connector End Views

Rear Seat Heater Switch (RH)

Attached to the rear of the center console

Power Seat Component Views

Power Seat Connector End Views

Submarine Switch

Under the corresponding seat, below the front hieght adjuster motor

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Thermal Switch (heated seat)

Located in the corresponding heated seat cushion, part of the heated seat cushion assembly

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C1

In the driver seat adjuster memory module connector, underneath the driver seat

Power Seat Component Views

Power Seat Connector End Views

C3A (Black)

Part of the driver seat recliner actuator motor connector C3, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C4A (Black)

Part of the rear height seat adjuster actuator motor connector C4, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C5A (White)

Part of the front height seat adjuster actuator motor connector C5, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C6A (Blue)

Part of the forward/backward seat adjuster actuator motor connector C6, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C7A (Black)

Part of the driver seat adjuster switch connector C7, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C3B (Black)

Part of the driver seat recliner actuator motor connector C3, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C4B (Black)

Part of the rear height seat adjuster actuator motor connector C4, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C5B (Black)

Part of the front height seat adjuster actuator motor connector C5, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C6B (Blue)

Part of the forward/backward seat adjuster actuator motor connector C6, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C7B (Blue)

Part of the driver seat adjuster switch connector C7, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C7C (White)

Part of the driver seat adjuster switch connector C7, on the driver seat adjuster memory module

Power Seat Component Views

Power Seat Connector End Views

C200A

I/P wiring harness to body wiring harness, at lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200B

I/P wiring harness to body wiring harness, at lower LH A-pillar

Power and Grounding Component Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C310

Body wiring harness to the driver seat adjuster memory module, underneath the LH side of the driver's seat

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Inline Harness Connector End Views in Wiring Systems

C315

Body wiring harness to driver's seat, underneath the LH side of the driver's seat

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Power Seat Connector End Views

C315C

Power seat to body wiring harness, underneath the LH side of the driver's seat

Power Seat Component Views

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C315D

Heated seat to body wiring harness, underneath the driver's seat

Power Seat Component Views

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C316

Body wiring harness to passenger's seat, underneath the passenger's seat

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Power Seat Connector End Views

C316C

Power seat to body wiring harness, underneath the passenger's seat

Power Seat Component Views

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C316D

Heated seat to body wiring harness, underneath the passenger's seat

Power Seat Component Views

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C320

Body wiring harness to rear seat heater wiring harness, underneath the LH rear seat

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Inline Harness Connector End Views in Wiring Systems

G103

Body and I/P wiring harness, located at the LH front of the engine compartment, underneath the battery tray

Wiper/Washer Component Views in Wiper/Washer System

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G200

Body wiring harness, at the lower LH A-pillar, mounted above C200

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P103

Lower LH A-pillar, forward of G200

Power and Grounding Component Views in Wiring Systems

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P110

Rear LH corner of the engine compartment

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S103

Body wiring harness, approximately 15 cm (6 in) from branch break off for the LH headlamp, towards the EBTCM branch break off

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S104

Body wiring harness, approximately 71 cm (28 in) from P103, towards the EBTCM branch break off

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S140

I/P wiring harness, near the brake fluid minimum capacity sensor connector branch break off

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S250

I/P wiring harness, near the gauge cluster connector branch break off

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S251

I/P wiring harness, near the G201 branch break off

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S252

I/P wiring harness, near the G201 branch break off

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S264

Body wiring harness, near the G200 branch break off

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S270

Body wiring harness, approximately 62 cm (25 in) from the C200 branch break off, toward the driver's side

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S308

Body wiring harness, base of RH A-pillar, just under conduit

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S309

Body wiring harness, base of RH A-pillar, just under conduit

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S310

Rear seat heater wiring harness, approximately 8 cm (3 in) from the C320 branch break off

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S319

Body wiring harness, base of LH A-pillar, just under conduit

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S320

Body wiring harness, base of LH A-pillar, just under conduit

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S321

Body wiring harness, base of LH A-pillar, just under conduit

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S330

Rear seat heater wiring harness, approximately 8 cm (3 in) from the C320 branch break off

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S335

Rear seat heater wiring harness, approximately 8 cm (3 in) from the C320 branch break off

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S340

Rear seat heater wiring harness, approximately 8 cm (3 in) from the C320 branch break off

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S345

Rear seat heater wiring harness, approximately 8 cm (3 in) from the C320 branch break off

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