GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC Sierra Denali 🢒 Body 🢒 Seats 🢒 Driver or Passenger Seat Back Cushion Heater Replacement

Removal Procedure
  1. Remove the seat from the vehicle. Refer to Front Seat Replacement - Bucket .
  2. Remove the seat back trim cover. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .

    3. Object Number: 381505 Size: SH
  3. Peel the seat back heater off the foam pad.
  4. Disconnect the seat back heater harness.

Installation Procedure

    Object Number: 381505 Size: SH
  1. Connect the seat back heater harness.
  2. Install the seat back heater.
  3. Install the seat back trim cover. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  4. Install the seat in the vehicle. Refer to Front Seat Replacement - Bucket .