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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1196 (ENTERTAINMENT SYSTEM)REPAIR INSTRUCTIONSANTENNA EXTENSION CABLE REPLACEMENT (CONVERTIBLE)INSTALLATION 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 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the power antenna coaxial extension cable to the vehicle.
  2. Install the radio control. Refer to RADIO REPLACEMENT  . 
    Fig 1: Power Antenna Coaxial Extension Cable
    G01453596Courtesy of GENERAL MOTORS CORP.
  3. Secure the power antenna coaxial extension cable retainer to the IP lower support beam.
  4. Install the I/P right lower insulator panel. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - RIGHT in Instrument Panel, Gages and Console.
    Fig 2: Securing Power Antenna Coaxial Extension Cable Retainer
    G01453597Courtesy of GENERAL MOTORS CORP.
  5. Using tape, secure the power antenna coaxial extension cable to the front body wiring harness.
  6. Secure the front body wiring harness to the body retainers.
  7. Secure the front body wiring harness retainers to the lock pillar and the floor panel support.
    Fig 3: Securing Front Body Wiring Harness Retainers To Lock Pillar
    G01453598Courtesy of GENERAL MOTORS CORP.
  8. Install the right lock pillar lower trim panel. Refer to TRIM REPLACEMENT - LOCK PILLAR (UPPER CONVERTIBLE) or TRIM REPLACEMENT - LOCK PILLAR (COUPE) or TRIM REPLACEMENT - LOCK PILLAR (LOWER CONVERTIBLE AND HARD TOP) in Interior Trim.
  9. Install the right door sill plate. Refer to DOOR SILL PLATE REPLACEMENT in Interior Trim.
  10. Position the front body wiring harness to the rear of the vehicle.
  11. Secure the front body wiring harness retainers to the rear speaker housing.
  12. Install the right lock pillar upper trim panel. Refer to TRIM REPLACEMENT - LOCK PILLAR (UPPER CONVERTIBLE) or TRIM REPLACEMENT - LOCK PILLAR (COUPE) or TRIM REPLACEMENT - LOCK PILLAR (LOWER CONVERTIBLE AND HARD TOP) in Interior Trim.
  13. Install the rear compartment right side trim panel.
    Fig 4: Securing Front Body Wiring Harness Retainers To Rear Speaker Housing
    G01453599Courtesy of GENERAL MOTORS CORP.
  14. Install the push-in fastener to the rear compartment right side trim panel.
  15. Lower the folding top stowage compartment lid.
  16. Raise the convertible top.
    Fig 5: Rear Compartment Right Side Trim Panel
    G01453600Courtesy of GENERAL MOTORS CORP.
  17. Open the rear compartment lid.
  18. Secure the front body wiring harness to the retaining clip on the rear compartment side wall.
  19. Connect the antenna electrical connector to the front body wiring harness connector.
  20. Connect the power antenna coaxial cable to the power antenna coaxial extension cable.
  21. Install the edge of the rear compartment floor carpet behind the right decklid support.
    Fig 6: Securing Front Body Wiring Harness To Retaining Clip
    G01453601Courtesy of GENERAL MOTORS CORP.
  22. Install the right decklid support trim panel.

    Align the panel, then push to secure the retaining clips.

    Fig 7: Right Decklid Support Trim Panel
    G01453602Courtesy of GENERAL MOTORS CORP.
  23. Connect the front body wiring harness connectors to the decklid latch and the remote CD changer, if equipped.
  24. Install the center carpet section into position.
  25. Install the decklid latch carpet trim panel.
  26. Install the RR end/corner carpet trim panel. Refer to TRIM PANEL CARPET REPLACEMENT - REAR CORNER (COUPE) or TRIM PANEL CARPET REPLACEMENT - REAR CORNER (CONVERTIBLE) or TRIM PANEL CARPET REPLACEMENT - REAR CORNER (HARDTOP) in Interior Trim.
  27. Close the rear compartment lid.
    Fig 8: Connecting Front Body Wiring Harness Connectors To Decklid Latch
    G01453603Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.