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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 676 (ENTERTAINMENT SYSTEM)REPAIR INSTRUCTIONSRADIO ANTENNA MODULE CABLE REPLACEMENT (FROM RADIO TO MODULE)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the I/P trim panel. Refer to TRIM PANEL REPLACEMENT - INSTRUMENT PANEL (I/P UPPER) .
  2. Lower the headliner. Refer to HEADLINER REPLACEMENT .
  3. Loosen the bolt retaining the radio antenna module in order to disconnect the electrical connector.
    4. Fig 1: Removing Cable From Radio Antenna Module & Cable Clips From Roof
    GM798113Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the cable (2) from the radio antenna module.
  5. Remove the cable clips (1) from the roof.
    6. Fig 2: Removing Cable Clips From A-Pillar, Cable From Radio & Electrical Wire Connector
    GM798111Courtesy of GENERAL MOTORS CORP.
  6. Remove the cable clips (1) from the A-pillar.
  7. Disconnect the cable (3) from the radio.
  8. Disconnect the electrical wire connector (4).
  9. Remove the radio cable from the vehicle.
RENDER: 1.0x

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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.