GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: ALL of the heating elements in a heated seat MUST be replaced in order for the heated seat system to function properly.

  1. Remove the front seat from the vehicle. Refer to Bucket Seat Replacement .

  2. Object Number: 430386  Size: SH
  3. Remove the front seat cushion cover (1). Refer to Front Seat Cushion Cover and Pad Replacement .

  4. Object Number: 430389  Size: SH
  5. Remove the front seat back cover (2). Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  6. Important: Do NOT attempt to remove the factory heating element from the front seat covers.

  7. Using a pair of diagonal side cutters, cut the factory heating element wires as close to the cover as possible.

Installation Procedure

    Important: ALL of the heating elements in a heated seat MUST be replaced in order for the heated seat system to function properly.


    Object Number: 826085  Size: SH
  1. Install the service heat elements as follows:
  2. 1.1. Remove the paper backing.
    1.2. Carefully position the replacement heat elements (2,3,4,5,6) harness side down, onto the seat cushion/back foam pad as indicated.
    1.3. Insert the wiring harness through the hole in the foam pad.
    1.4. Press the service heat element onto the seat cushion/back foam pad.
    1.5. Ensure the heat element is not wrinkled and is laying flat.

    Object Number: 820670  Size: SH
  3. Route the heated seat cushion electrical wiring harness as indicated.
  4. Install the front seat cushion cover. Refer to Front Seat Cushion Cover and Pad Replacement .
  5. Install the front seat back cover. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  6. Install the front seat in the vehicle. Refer to Bucket Seat Replacement .