Have a 2014 Compass and I am trying to install a Kenwood head unit. The factory stereo has two connectors that run into the back of it. One has the matching wiring for the harness the other has 3 small wires that run into it. When I attached the harness as I believe it should be wired I have no power to the new head unit. There's nowhere for the other wires to be connected. Anyone have any ideas?