GM Service Manual Online
For 1990-2009 cars only

No Low or High Beam

Problem

Action

Improper adjustment.

Adjust the turn signal and multifunction switch.

Refer to Turn Signal and Multifunction Switch Assembly - Off Vehicle .

Internally damaged or worn switch.

  1. Check the continuity on the switch.
  2. Replace the switch if no continuity.

Refer to Turn Signal and Multifunction Switch Assembly - Off Vehicle .

A loose connector at the switch.

Replace the switch.

Refer to Turn Signal and Multifunction Switch Assembly - Off Vehicle .