GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the cupholder in the center console.
  2. Disconnect the auxiliary HVAC control module electrical connector.

  3. Object Number: 1618277  Size: SH
  4. Using a flat-bladed tool, carefully pry out on the top of the auxiliary HVAC module.
  5. Remove the auxiliary HVAC control module from the center console.

Installation Procedure


    Object Number: 493714  Size: SH
  1. Install the auxiliary HVAC control module in the console bottom first.
  2. Push in at the top of the auxiliary HVAC control module in order to engage the auxiliary HVAC control module in the console.
  3. Connect the auxiliary HVAC control module electrical connector.
  4. Close the cupholder in the center console.
  5. Refer to Control Module References for programming and setup information.