Stereo Antenna Harness Adapter for Installing a New Radio Into a Lincoln, Navigator, 1998, 1999, 2000, 2001, 2002 Antenna adapter for installing a new Radio into a LINCOLN NAVIGATOR 1998, 1999, 2000, 2001, 2002 CarXtc adapter plugs directly into the antenna wire beyond the radio found in a NAVIGATOR Plugs directly into your vehicle radio antenna harness behind the factory radio. Antenna adapter is needed for your LINCOLN NAVIGATOR 98, 99, 00, 01, 02 If installing an FM modulator you will need this and the reverse antenna adapter