Wire Harness for Installing a New Radio into a Nissan, Frontier, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Stereo wire harness for installing a new Radio into a NISSAN FRONTIER 98, 99, 00, 01, 02, 03, 04 CarXtc wire harness plugs directly into a FRONTIER and the wires match up to the same wire colors on your aftermarket radio Plugs directly into your vehicle radio harness, no cutting or trying to figure out what each of the wires do. Antenna adapter is NOT needed for your NISSAN FRONTIER