GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Firebird 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Fog Lights System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

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.
    • Both fog lamps are on.
    • The fog lamp switch indicator is ON.

2

Turn the headlamp dimmer switch to the HIGH position.

The fog lamps are off.
    •  Fog Lamps Always On
    •  Fog Lamps Always On

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.