I've had a few different models of those.I sold most to a guy that does FM conversions.What he actually does is to put an FM radio in the box,and run it from the old cable controls.He also puts some kind of voltage multiplier in there to run the 12 volt radios in the 6 volt cars.I never found I could get any money for the things,somebody offered me $50.for the one in the picture,so I told him to come and get it.I haven't seen him yet though.I've had a few offers if I want to package it up and mail it,but it is a lot of work for a $50.part.