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

Removal Procedure
  1. Remove the lower instrument panel (I/P) trim panel. Refer to Instrument Panel Lower Trim Panel Replacement in Instrument Panel, Gages and Console.

    2. Object Number: 645392 Size: SH
  2. Remove the fasteners (2) securing the heater air conditioning (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. Disconnect the electrical connectors from the lamp control module (2) and remove the module.

Installation Procedure

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

    3. Object Number: 645392 Size: SH
  3. Reposition the heater A/C duct.
  4. Install the fasteners (2) securing the heater A/C duct.
  5. Install the lower I/P trim panel. Refer to Instrument Panel Lower Trim Panel Replacement in Instrument Panel, Gages and Console.
  6. The module programming or setup are not necessary.