Having a little frustration with a installation of a gear vendors control unit. It seems to be picking up a rfi signal and it thinks the car is moing when it is not. This shuts the unit down. Apparently coming in through the 12 volt power input. I connected it up to a seperate 12 volt battery and everything works great. I am a licensed electrician and worked a lot with control systems and whenever we had a problem with AC circuits we would put in a isolation transformer (24 volts to 24volts). You cannot use a transorter on DC voltage. Gear vendors sells a new style control unit that they say is better with rfi, but the price is $400. Any ideas?