Aftermarket Radio / Stereo Installation Wire Harness Connection of Wire is Plug N Play - Plugs directly into vehicle harness (no cutting or splicing) Professional wiring harness (EIA color coded to match the aftermarket wiring) IF YOU CURRENT CAR RADIO STAYS ON AFTER THE KEY IS REMOVED (BEFORE DOOR IS OPENED) THIS HARNESS WILL NOT WORK PROPERLY AFTERMARKET RADIO / STEREO INSTALLATION WIRE HARNESS -- CONNECTS DIRECTLY INTO VEHICLE HARNESS -- AVOIDS CUTTING INTO CAR HARNESS FOR PROFESSIONAL RESULTS -- (THIS HARNESS IS DESIGNED ONLY FOR STANDARD / NO PREMIUM / NON FACTORY AMPLIFIED SYSTEMS) -- (NOT COMPATIBLE WITH ONSTAR, SYNC, RAP FEATURES OR CAN BUS SYSTEMS - SPECIALTY PREMIUM HARNESSES AVAILABLE) -