GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the instrument panel trim plate bezel. Refer to Instrument Cluster Replacement .

  3. Object Number: 397999  Size: SH
  4. Disconnect the electrical connector.
  5. Remove the dome/panel dimmer switch.

Installation Procedure


    Object Number: 397999  Size: SH
  1. Install the dome/panel dimmer switch.
  2. Connect the electrical connector.
  3. Install the instrument panel trim plate bezel. Refer to Instrument Cluster Replacement .
  4. Connect the negative battery cable.