Metra AX-ADFD02 Axxess AD Harness 07-Up Mazda Axxess ADBOX Aftermarket Stereo Installation Harness for select 2011-UP Ford Vehicles Harness is used when installing an aftermarket stereo Connects the aftermarket stereo harness to the vehicles factory harness Plugs into the factory harness without cutting any wires Standard color coded wires provide a consistent and simplified installation