Using truck batteries and camper batteries
With the truck not running, I noticed when I unplug my camper to truck connection, my electric jacks slow down. I assume my truck batteries are supplying power to the camper at all times when the camp...
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I always unplug mine. once i went out at night and noticed that the light under the over hang on my fifth wheel was on. It took me by suprise because I took the battery out of the rv to check the water ans such so it was surely feeding off the truck. dont know how long it would have taken to drain the batteries on my Dodge diesel.
