GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Fog Lights System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the ignition to the ON position.
  2. Turn the headlamp switch to the HEAD position.
  3. Turn the headlamp dimmer switch to the LOW position.
  4. Turn the fog lamp switch ON.
    • Both fog lamps turn ON.
    • The fog lamp switch indicator is illuminated.

2

Turn the headlamp dimmer switch to the HIGH position.

The fog lamps turn OFF.

Fog Lamps Always On

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