GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 343958  Size: SH
  1. Remove the auxiliary HVAC control module from the rear overhead console using a small flat-bladed tool to release the mounting tabs.
  2. Disconnect the auxiliary HVAC control module electrical connectors.

Installation Procedure


    Object Number: 343958  Size: SH
  1. Connect the auxiliary HVAC control module electrical connectors.
  2. Install the auxiliary HVAC control module by pushing the control into the console until the retaining tabs snap into place.
  3. Refer to Control Module References for programming and setup information.