GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Relay Block

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

Driver Information Display Module

Part of the front overhead console in the passenger compartment

Harness Routing Views in Wiring Systems

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Sunroof Module

At the overhead, at the front of the sunroof

Harness Routing Views in Wiring Systems

--

Sunroof Module Connector C1 (4 cavities)

To the left side of the sunroof module

Harness Routing Views in Wiring Systems

--

Sunroof Module Connector C2 (8 cavities)

To the right side of the sunroof module

Harness Routing Views in Wiring Systems

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Sunroof Motor

In front of the sunroof

Harness Routing Views in Wiring Systems

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C229 (2 Cavities)

At the body harness to dome harness, left side of IP, near C203

--

Inline Harness Connector End Views in Wiring Systems

C300 (2 Cavities)

At the dome harness to sunroof harness overhead, near the sunroof module

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C390 (3 cavities)

In the sunroof harness between the driver information display module and the sunroof module

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C391 (3 cavities)

In the sunroof harness between the sunroof motor and the sunroof module

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--

C392 (2 cavities)

In the sunroof harness between the sunroof motor and the sunroof module

--

--

G202

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

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--

S220

(CKT 1001) In the body harness 30 cm (12 in) from the rear washer hose breakout toward C203

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S302

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

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