Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the extension cable to the radio.
    Fig 1: Connecting Extension Cable To Radio
    G01578851Courtesy of GENERAL MOTORS CORP.
  2. Connect the extension cable to the HVAC duct.
    Fig 2: Connecting Extension Cable To HVAC Duct
    G01578852Courtesy of GENERAL MOTORS CORP.
  3. Connect the extension cable to the antenna.
  4. Install the instrument panel trim panel. Refer to TRIM PANEL REPLACEMENT-INSTRUMENT PANEL (I/P) UPPER .
    Fig 3: Connecting Extension Cable To Antenna
    G01578853Courtesy of GENERAL MOTORS CORP.
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:

  • 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.