yeah, you will have to switch your power wire for you antenna to a 12 volt accesory source (black wire inline with your two antenna plugs). You can either hook that up to your antenna amp wire (if your new radio has one available) or just hook it up to the switched 12 volt source (ie - accesory wire usually red on your new harness). YOur reception will be as good as before once you power on that inline antenna amp