Forum Discussion

afinepoint's avatar
afinepoint
Explorer
May 28, 2013

Is tow vehicle's battery and trailer's isolated from each?

Is the tow vehicle only wired to the trailer's lights and brakes when attached? Was curious if other loads could get power from the tow vehicles's battery such as the power jack? I would think t...
2112's avatar
2112
Explorer II
Aug 10, 2013
Allworth wrote:
By the way, I don't like to have shore power and truck power hooked up at the same time. I don't think it can hurt anything, but I would rather not mix electrical systems. Particularly complex ones.
I blew a converter years ago because of this. I had my F150 TV plugged in and running when I connected shore power. The DC side instantly stopped working. I have made sure not to have both plugged in ever since. New technology or proper fusing may prevent this now but I'm not going to chance it.

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