Stereo ANTENNA Harness Pontiac GTO 04 05 2004 2005 AFTERMARKET ANTENNA ADAPTO. ** Simply plugs into New Aftermarket Antenna and then into original Antenna wire ** Allows connection of After market Antenna to the factory antenna cable harness. ** Has a Female 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 Aftermarket Antenna Applications for both Standard and Motorized