Quote:
Originally Posted by FrankP
I have also had similar problems with the chasis battery going dead. The house batteries are charging and holding a charge. The RV has been to Ford twice and they insist there is nothing wrong with the truck side of the system or the truck battery. If I let it sit for a few days, not plugged into shore power, the truck battery goes dead. While poking around I discovered (1) if the house batteries are put in standby, the truck battery does not go dead (2) the dash radio is connected to the truck battery and when I pull the fuse out of the back of the radio, the truck battery quit going dead. Thor insists the radio is connected to the house batteries and this cannot happen. Go figure....
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In my 2014 Vegas it was connected to both. The wire to the chassis battery provided power to the clock and memory functions, while the wire to the coach batteries ran the radio. I put a switch the chassis battery wire in to turn it off and you are correct, it is a substantial drain. If you have the radio booklet it shows you the two wires and their colors. Not hard to splice in a small switch.
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