Radio
Alright so I'm trying to replace the old broken factory radio with a car radio. The problem I'm having is the previous radio was for some reason tied in to a wire that's only 7 volts when the heater f...
Forum Discussion
My 12v power source is at a switch that controls the external lights, the always hot end of the switch is where I tied in to. it is an older converter. But it's not a random power spike. As soon as I plug in the radio the power increases from 12v to 17v and you can see the lights in the rv get brighter so it's not just a multimeter issue it's affecting the whole 12v system. I haven't checked out the battery yet. As far as I can tell I have a good ground. I get solid readings on my multimeter on the door frame of the rv or on the negative side of my water pump, both of which I used to try to get a ground for the radio and both caused a voltage spike.
