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Installation Procedure

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Electrical Connectors
    GM621462Courtesy of GENERAL MOTORS COMPANY
  1. Reconnect the switches and button assembly (2) electrical connectors.
  2. Fig 2: OnStar Button Assembly
    GM621461Courtesy of GENERAL MOTORS COMPANY
  3. Install the OnStar® button assembly (1) into the dash.
  4. Reinstall the dash trim bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gauges and Console.