GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The fog lamps operate properly, but the indicator on the fog lamp switch is inoperative when the fog lamps are on.

1

Review the for lamp operation and perform the necessary inspections.

Did you complete the system review and inspection?

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Go to Step 2

Go to Symptoms

2

Attempt to operate the rear fog lamp.

Does the indicator operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Replace the rear fog lamp switch.

Is the repair complete?

--

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3