GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the instrument panel cluster (IPC) trim plate. Refer to Instrument Cluster Replacement .

  2. Object Number: 311738  Size: SH
  3. Unsnap the head-up display (HUD) dimmer switch from the instrument panel (IP).
  4. Disconnect the electrical connectors from the HUD dimmer switch.
  5. Remove the HUD dimmer switch.

Installation Procedure


    Object Number: 311738  Size: SH
  1. Install the electrical connector into the HUD dimmer switch.
  2. Snap the HUD dimmer switch into place in the IP.
  3. Install the IPC trim plate. Refer to Instrument Cluster Replacement .