Stereo Antenna Harness Adapter for Installing a New Radio Into a Chevrolet, Cruze, 2011, 2012, 2013, 2014, 2015 Antenna adapter for installing a new Radio into a CHEVROLET CRUZE 2011, 2012, 2013, 2014, 2015 CarXtc adapter plugs directly into the antenna wire beyond the radio found in a CRUZE Plugs directly into your vehicle radio antenna harness behind the factory radio. Blue Wire connects to the blue wire on your aftermarket wire harness Antenna adapter is needed for your CHEVROLET CRUZE 11, 12, 13, 14, 15 If installing an FM modulator you will need this and the reverse antenna adapter