SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 648 (POWER SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT HEATER ELEMENT REPLACEMENT - FRONTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. Install the service heat elements as follows:
    1. 1.1. Remove the paper backing.
    2. 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.
    3. 1.3. Insert the wiring harness through the hole in the foam pad.
    4. 1.4. Press the service heat element onto the seat cushion/back foam pad.
    5. 1.5. Ensure the heat element is not wrinkled and is laying flat.
    Fig 1: Identifying Heat Elements
    G01803932Courtesy of GENERAL MOTORS CORP.
  2. Route the heated seat cushion electrical wiring harness as indicated.
    3. Fig 2: Routing Heated Seat Cushion Electrical Wiring Harness
    G01803933Courtesy of GENERAL MOTORS CORP.
  3. Install the front seat cushion cover. Refer to Seat Cushion Cover And Pad Replacement - Front  .
  4. Install the front seat back cover. Refer to Seat Back Cover And Pad Replacement - Front  .
  5. Install the front seat in the vehicle. Refer to Seat Replacement - Bucket  .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.