GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Fog Lights System Check?

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Go to Step 2

Go to Fog Lights System Check

2

  1. Access the fog lamp switch connector.
  2. Connect a test lamp from the fog lamp switch connector, cavity E, to ground.
  3. Depress the fog lamp switch.

Does the test lamp light?

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Go to Step 4

Go to Step 3

3

Repair the open in CKT 34 (PPL) between the fog lamp switch and splice S165. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Fog Lights System Check

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4

Inspect CKT 150 (BLK) between the fog lamp switch and G200 for an open circuit and repair as necessary.

Did you find and correct the condition?

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Go to Fog Lights System Check

Go to Step 5

5

Replace the fog lamp switch. Refer to Fog Lamp Switch Replacement .

Is the repair complete?

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Go to Fog Lights System Check

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