GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1280156  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the full automatic temperature control (FATC) controller. Refer to Heater and Air Conditioning Control Replacement .

  3. Object Number: 1280173  Size: SH
  4. Remove the 5 screws and the in-car sensor (1).

Installation Procedure


    Object Number: 1280173  Size: SH
  1. Install the 5 screws and the in-car sensor (1).

  2. Object Number: 1280156  Size: SH
  3. Install the FATC controller. Refer to Heater and Air Conditioning Control Replacement .
  4. Connect the negative battery cable.