GM Service Manual Online
For 1990-2009 cars only

    Object Number: 393978  Size: SH
  1. Remove the hexagon washer head tapping screw (1) from the dimmer switch assembly (3).
  2. Remove the washer head screw (2) from the dimmer switch assembly (3).
  3. Remove the dimmer switch rod from the dimmer switch assembly (3).
  4. Remove the dimmer switch assembly (3) from the ignition switch assembly (4).
  5. Remove the dimmer switch assembly (3) from the vehicle wire harness.