GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Auxiliary Heater and Air Conditioning Control Module Replacement

Removal Procedure

    Object Number: 493710 Size: SH
  1. Using a flat bladed tool, carefully pry out on the top of the auxiliary HVAC control module.
  2. Remove the auxiliary HVAC control module from the center console/seat.

    3. Object Number: 493709 Size: SH
  3. Disconnect the electrical connector.
  4. Remove the auxiliary HVAC control module from the vehicle.

Installation Procedure

    Object Number: 493709 Size: SH
  1. Connect the auxiliary HVAC control module electrical connector.

    2. Object Number: 493714 Size: SH
  2. Install the bottom of the auxiliary HVAC control module in the console first.
  3. Push in at the top of the auxiliary HVAC control module in order to engage the control in the console/seat.