CAR Stereo CD Player Dash Install MOUNTING KIT Wire Harness Radio Antenna for Buick Cadillac Chevrolet GMC Hummer Isuzu Oldsmobile Pontiac 2002-2012 DASH KIT:(GM-K420 Single DIN Installation Dash Kit ) This dash kit allows you to replace your vehicle's factory stereo to improve the overall sound quality of your car audio system. It has been designed with high quality automotive grade ABS plastic to match the texture of your factory dash. Installation of this kit is simple. No special tools are required and the included step-by-step instructions will guide you through the install. WIRING HARNESS: ( GWH-404 )When replacing your factory radio with an after-market car stereo, a wire harness is a must for a quick installation. It eliminates cutting your OE radio plug helping to maintain your cars value. After connecting it, your install is simple as the wires will color-match and easily connect to the after-market stereo. Without a wiring harness you will have to cut the factory harness and then test each wire to connect to your radio. RADIO ANTENNA:RADIO ANTENNA: GM-10 Factory Antenna to Aftermarket Radio Adapter (For Select 1988-2006 GM Vehicles) DOES NOT FIT : Vehicles with Bose or Onstar - You will have to run the accessory (Red) Wire to your Fuse box and connect the wire to a fuse that comes on and off with your key switch - You will lose your factory warning chimes by using this harness instead of buying an interface CUSTOMIZATION:Choose your free air freshener (assorted colors)