GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Panel Dimming Module Replacement

Removal Procedure
  1. Remove the lower IP trim panel. Refer to Instrument Panel Assembly Replacement in Instrument Panel, Gages and Console.

    2. Object Number: 645392 Size: SH
  2. Remove the fasteners (2) securing the heater A/C duct.
  3. Move the heater A/C duct aside in order to gain access to the panel dimming control module bracket.

    4. Object Number: 645110 Size: SH
  4. Remove the module bracket from the IP.
  5. Remove the panel dimming module (1) from the bracket.
  6. Disconnect the electrical connectors from the module.

Installation Procedure

    Object Number: 645110 Size: SH
  1. Connect the electrical connectors to the module.
  2. Install the module (1) to the bracket.
  3. Install the bracket to instrument panel.

    4. Object Number: 645392 Size: SH
  4. Reposition the heater A/C duct.
  5. Install the fasteners (2) securing the heater A/C duct.
  6. Install the lower IP trim panel. Refer to Instrument Panel Assembly Replacement in Instrument Panel, Gages and Console.