Stereo ANTENNA Harness GMC Sierra 06 2006 AFTERMARKET STEREO/RADIO ANTENNA ** Simply plugs into New Aftermarket Antenna and then into original Antenna wire ** Allows connection an aftermarket receiver to the factory antenna cable. ** Has a male Motorola plug on one end and OEM jack on the other ** No Cutting or Wiring Needed - Plug N Play connection (no experience necessary) ** Use with New Aftermarket Radio Installs - Keeps FM / AM Factory Antenna Useable.