GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Fog Lights System Check?

--

Go to Step 2

Go to Fog Lights System Check

2

Remove the fog lamp relay.

Do the fog lamps turn off?

--

Go to Step 3

Go to Step 4

3

Disconnect the fog lamp switch connector.

Do the fog lamps turn off?

--

Go to Step 5

Go to Step 6

4

Repair the short to voltage in CKT 34 (PPL) between the fog lamp switch, the left fog lamp, the right fog lamp and the convenience center.

Is the repair complete?

--

Go to Fog Lights System Check

--

5

Replace the fog lamp switch.

Is the repair complete?

--

Go to Fog Lights System Check

--

6

Repair the short to voltage in CKT 317 (YEL) between the fog lamp switch and the fog lamps.

Is the repair complete?

--

Go to Fog Lights System Check

--