GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the body side trim panel. Refer to Auxiliary HVAC Module Replacement.
  2. Remove the fasteners securing the HVAC module.
  3. Slide the HVAC module over to gain access to the amplifier.
  4. Do not remove the HVAC module.


    Object Number: 1211151  Size: SH
  5. Remove the fasteners securing the amplifier bracket to the vehicle.

  6. Object Number: 1211147  Size: SH
  7. Disconnect the electrical connectors (1).

  8. Object Number: 1211150  Size: SH
  9. Remove the amplifier from the bracket.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1211150  Size: SH
  1. Install the amplifier to the bracket.
  2. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).


    Object Number: 1211147  Size: SH
  3. Connect the electrical connectors (1).

  4. Object Number: 1211151  Size: SH
  5. Install the amplifier bracket to the vehicle.
  6. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).

  7. Install the HVAC module.
  8. Install the body side trim panel. Refer to Auxiliary HVAC Module Replacement.
  9. Refer to Control Module References for programming and setup information.