Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Connecting Extension Cable To The Radio
    GM370269Courtesy of GENERAL MOTORS CORP.
  1. Connect the extension cable to the radio.
  2. Fig 2: Disconnecting Extension Cable From The HVAC Duct
    GM370268Courtesy of GENERAL MOTORS CORP.
  3. Connect the extension cable to the HVAC duct.
  4. Fig 3: Connecting Extension Cable To The HVAC Duct
    GM370271Courtesy of GENERAL MOTORS CORP.
  5. Connect the extension cable to the antenna.
  6. Install the instrument panel trim panel. Refer to Trim Panel Replacement - Instrument Panel (I/P) Upper in Instrument Panel, Gages and Console
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When to See a Mechanic

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

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