Stereo Wire Harness Infiniti QX4 97 98 99 00 01 02 03 1997 1998 1999 2000 2001 2002 2003 (car radio wiring installation parts) Aftermarket Radio / Stereo Installation Wire Harness Connects directly into vehicle harness (minimum or no cutting or splicing of factory wires) Professional wiring harness (EIA color coded to match the aftermarket wiring) Might require manual connection of the ignition power wire on some vehicles Works with factory non-amplified systems. Should also work with most factory amplified systems also.