Scosche 2005 and Up Chevrolet Equinox Class II Chime Interface: * Enables the installation of an aftermarket radio without retaining the factory radio * Retains the factory warning chimes * Keeps the aftermarket radio powered up after the key has been turned off or until a door is opened * Issues data commands that maintain a "Healthy" system status to the vehicle"s system check Scosche Vehicle Fit Guide Click Here 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