[Fred K-OR]

. "It operates well with a 12V cigarette lighter wired with reversed polarity, fused, and connected to my Model A 6 volt battery/generator electrical supply."

H.L. wish I had someone to remind me of this a year or so ago. I burned out two plugs from my Magellan Roadmate before dumb me realized what I did not take this into account-that is reversed polarity.