GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was A Diagnostic System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the headlamp switch to the OFF position.
  2. Disconnect the turn/hazard headlamp switch assembly connector C1.

Did all of the exterior lamps go out?

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Go to Step 4

Go to Step 3

3

Repair the short to battery positive voltage in CKT 9.

Is the repair complete?

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System OK

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4

Replace the turn/hazard headlamp switch.

Is the repair complete?

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System OK

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