Trailer battery not charging from tow vehicle
My travel trailer does not seem to be charging from the tow vehicle while traveling. I think I may have a bad 20A fuse for the "tow battery charge". There are 2 choices for these fuses. A tall one ...
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Not sure about yours, but my 2007 F150 needed a relay to activate the 12v charge line. Supposed to be in the glove box when the vehicle was new, but I had to purchase one at auto supply store.
