GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Automatic Transmission Range Switch

LH side of the transmission housing

Automatic Transmission Electronic Component Views in Automatic Transmission

Lighting Systems Connector End Views in Lighting Systems

Fuse Block

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

--

--

Heated Outside Rear View Mirror and Rear Window Defogger Relay K35

Lower I/P, to the RH side of the steering column, on the relay box (roman numeral III)

--

Stationary Windows Connector End Views

Heater and A/C Control

Center of the I/P, above the radio

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

HVAC Connector End Views in HVAC Systems

Ignition Switch

Mounted on the upper RH side of the steering column

--

Engine Electrical Connector End Views in Engine Electrical

Inside Rear View Mirror

Attached to the upper center of the windshield

Power Roof Systems Component Views in Roof

Stationary Windows Connector End Views

Multifunction Relay K134

Under the LH side of the I/P

Power and Grounding Component Views in Wiring Systems

Lighting Systems Connector End Views in Lighting Systems

Outside Rear View Mirror (LH)

Attached to the LH front side door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Outside Rear View Mirror (RH)

Attached to the RH front side door

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Radio Antenna Amplifier

On top of the rear deck, under the trim panel

--

--

Radio, AM/FM Stereo and Clock and Tape Player and Compact Disk Player

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

--

Entertainment Connector End Views in Entertainment

Rear Window Defogger Grid

Mounted on the rear window

--

--

C105 (green connector)

I/P wiring harness to ECM wiring harness, in the LH front of the engine compartment, just behind battery

Wiper/Washer Component Views in Wiper/Washer System

Inline Harness Connector End Views in Wiring Systems

C106 (blue connector)

I/P wiring harness to ECM wiring harness, in the LH front of the engine compartment, just behind battery

Wiper/Washer Component Views in Wiper/Washer System

Inline Harness Connector End Views in Wiring Systems

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

C202

I/P wiring harness to rear amplifier wiring harness, at lower RH A-pillar, next to BCM

--

--

C500

Body wiring harness to the LH front side door wiring harness, at lower LH A-pillar, near G200

Power Door Systems Component Views in Doors

Inline Harness Connector End Views in Wiring Systems

C600

Body wiring harness to the RH front side door wiring harness, at lower RH A-pillar

Power Door Systems Component Views in Doors

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

--

G200

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

--

--

G400

Body wiring harness, in the lower LH corner of the rear compartment, near the LH stop/taillamp

--

--

P103

Lower LH A-pillar, forward of G200

Power and Grounding Component Views in Wiring Systems

--

P110

Rear LH corner of the engine compartment

--

--

S103

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

--

--

S132

ECM wiring harness, inside the ECM housing, approximately 10 cm (4 in) from P108

--

--

S140

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

--

--

S200

I/P wiring harness, approximately 15 cm (6 in) from cruise release switch and stoplamp switch branch break off, towards G201 branch break off

--

--

S214

I/P wiring harness, approximately 17 cm (7 in) from cruise release switch and stoplamp switch branch break off, towards G201 branch break off

--

--

S220

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

--

--

S251

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

--

--

S252

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

--

--

S270

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

--

--

S308

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

--

--

S326

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

--

--

S502

LH front side door wiring harness, approximately 26 cm (10 in) from the C500 branch break off

--

--

S602

RH front side door wiring harness, approximately 26 cm (10 in) from the C600 branch break off

--

--