GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Electronic Climate Control (ECC) Module

At the IP harness center of the IP, below the radio

HVAC Component Views

in HVAC Systems

HVAC Connector End Views in HVAC Systems

Inside Rear View Mirror ( Automatic Day/Night Mirror)

At the windshield centerline

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

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

Park /Neutral Position (PNP) Switch and Backup Lamp Switch

To the left of the transmission

Harness Routing Views in Wiring Systems

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Park /Neutral Position (PNP) Switch and Backup Lamp Switch Connector C1 (7 cavities)

To the left of the transmission

Harness Routing Views in Wiring Systems

Automatic Transmission Inline Harness Connector End View in Automatic Transmission

Park /Neutral Position (PNP) Switch and Backup Lamp Switch Connector C2 (4 cavities)

To the left of the transmission

Harness Routing Views in Wiring Systems

Automatic Transmission Inline Harness Connector End View in Automatic Transmission

Rear Defogger Relay

In the underhood Fuse Block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Rear Window Defogger Grid

Part of the liftglass

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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

Underhood Fuse Block Connector C2 (68 Cavities)

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 C3 (32 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)

The body harness to the IP harness, to the left of the IP

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Inline Harness Connector End Views in Wiring Systems

C209 (16 cavities)

The body harness to the dome harness, to the left of the IP

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Inline Harness Connector End Views in Wiring Systems

C229 (2 cavities)

The body harness to the dome harness, near the C203

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Inline Harness Connector End Views in Wiring Systems

C432 (1 cavity)

In the body harness to the rear window defogger, left side of the cargo area

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Stationary Windows Connector End Views in Stationary Windows

C433 (1 Cavity)

In the body harness to the rear window defogger, left side of the cargo area

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Stationary Windows Connector End Views in Stationary Windows

C604 (10 Cavities)

In the right front door harness to the outside rear view mirror pigtail connector, in the right front door, below the outside rear view mirror

Harness Routing Views in Wiring Systems

Power Door Systems Connector End Views in Doors

C610 (22 Cavities)

In the body harness to the right front door harness, near the P600

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G202

(CKT 1850) At the body harness, to the right of the IP

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G203

(CKT 1850) At the body harness, to the right of the IP

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G204

(CKT 1850) At the body harness, to the right of the IP

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G420

(CKT 1450, CKT 1250)) At the body harness, in the right 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 left rear of the engine compartment, on the cowl

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P600

Between the body and the right front door

Harness Routing Views in Wiring Systems

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P901

At the body to left liftgate harness, in the left of the liftgate

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P902

At the body to right liftgate harness, in the right of the liftgate

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S211

(CKT 1050) At the body harness, 6.5 cm (2.6 in) from the G203, G204, and G205 ground breakout and the ground terminals

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S213

(CKT 341) At the body harness, 4 cm (1.6 in) from the transfer case control module connector C2 breakout toward C203

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S302

(CKT 1850) At the done harness, 11 cm (4.4 in) from the LH sunshade mirror lamp connector toward C229

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S309

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

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Splice Pack SP203

(CKT 1850) IP harness, on the IP, in front of the ash tray

Harness Routing Views in Wiring Systems

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