CAR STEREO DASH INSTALL MOUNTING KIT WIRE HARNESS RADIO ANTENNA GMC CHEVROLET SATURN HUMMER BUICK DASH KIT: GM-K317 Single DIN or Double DIN Installation Dash Kit for Select 2006-2008 Buick, Chevrolet and GMC Vehicles WIRE HARNESS:GM17B 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 ADAPTER:CR-6 FOR BUICK FORD PONTIAC SATURN SAZUKI CADILLAC CHEVROLET LINCOLN MAZDA MERCURY DODGE FORD CHRYSLER GMC JEEP NOTE: Locate your vehicle in the application guide. Cross-reference your vehicle's make and model to determine which installation parts are required to complete your car stereo installation. The installation parts consist of a Dash Kit, Wire Harness and in some cases an Antenna Adapter is also required. CUSTOMIZATION:Choose your free air freshener (assorted colors)