GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the headlamp switch to the HEAD position.
  2. Turn the headlamp dimmer switch to the LOW position.
  3. Turn the fog lamp switch to the ON position.
  4. Using a test light backprobe the fog lamp switch harness connector terminal E and terminal A.

Does the test light illuminate?

--

Go to Step 3

Go to Step 2

2

Repair the poor connection or open in circuit 11 between the fog lamp switch harness connector terminal A and S219.

Has the repair been made?

--

Go to Fog Lights System Check

--

3

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

Has the repair been made?

--

Go to Fog Lights System Check

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