Wire Harness for Installing a New Radio into a Nissan, 350Z, 2003, 2004, 2005 Stereo wire harness for installing a new Radio into a NISSAN 350Z 03, 04, 05 CarXtc wire harness plugs directly into a 350Z 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 350Z This car had an optional premium system (usually a Bose) that has a factory built in amp. Would recommend getting the amplified version of this harness if you have the premium system