GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Turn the turn signal headlamp switch to the HEAD position.

    • The low beam headlamps are ON.
    • The high beam headlamps are OFF.

2

Pull the turn signal/ headlamp switch back to the PASS position.

    • The high beam headlamps are ON while the switch is held.
    • The high beam indicator is ON.

Headlamps Inoperative - High Beams

3

Push the turn signal/ headlamp switch forward to the HIGH position.

The high beam headlamps are ON.

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