Quote:
I had a hot wire installed when I had my hitch installed.
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FYI: When I had the 12 volt "Charge Line" installed in my Tow Vehicle at
Camping World,
they also installed directional diodes in the line. This allows current to flow only in one direction, to prevent the Trailer from discharging the Tow Vehicle's battery.
There is also a relay system available that is installed in the Tow Vehicle that disconnects the "Charge Line" automatically when the key is removed from the ignition.
Either system allows the Trailer's 7-pin plug to remain connected, and the Trailer's 12 volt systems to be operated, without draining the Tow Vehicle's battery.
I hope this helps.