GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the center trim bezel. Refer to Instrument Panel Accessory Bezel Replacement .

  2. Object Number: 1644391  Size: SH
  3. Press the blower motor switch retention prongs and remove the switch from the HVAC control module.

Installation Procedure


    Object Number: 1644391  Size: SH
  1. Install the blower motor switch to the HVAC control module. Press to engage the retention prongs.
  2. Install the center trim bezel. Refer to Instrument Panel Accessory Bezel Replacement .