GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Lighting Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Disconnect the steering column connector C201.

Are the hi beam headlamps still illuminated?

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Go to Step 3

Go to Step 4

3

Locate and repair SHORT to ground in one or more of the following locations:

    • CKT 1346 (LT BLU) located in the underhood fuse/relay block.
    • CKT 1200 (PNK) between splice S254 and the affected headlamp(s).
    • CKT 1200 (PNK) between splice S254 and splice S255.
    • CKT 1311 (LT GRN/BLK) between splice 255 and the BCM (body control module).

Is the repair complete?

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Go to Step 5

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4

Replace the steering column multi-function switch Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle

Is the repair complete?

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Go to Step 5

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5

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2