Scosche GM035 Wire Harness and Antenna Adapter Compatible with Select 1994-08 GM Vehicles The Scosche Car Truck and SUV Stereo Connector is an easy do-it-yourself kit. It includes power and speaker wire along with detailed instructions. The GM035 connector also comes with an adapter to ensure an exact fit. Each wire is labeled with its specific function for convenience. It is compatible with select General Motors vehicles and it makes installing your car stereo system simple.