On a recent trip I had my convertor running (growling) and really nothing on in 12V. I was puzzled because this was OK when I had a lot of lights on, but would stop when I tirned them off, but this tr...
Interesting thread. I've been considering adding a relay to my brake wiring to serve as a "parking brake" of sorts for the trailer. Could also serve as a second way to apply the brakes if the controller or wiring failed. Or the fuse blows.