Are Engine and House Batteries Connected?
On a long trip home, after stopping to get gas, I turned the key to start, and the dashboard went dark. After a bit of panic in the 95 degree weather, I tried the "battery boost" switch, and feeling ...
Forum Discussion
CharlesinGA wrote:
Forgot to add. The House/Coach batteries will not charge from the 120v to 12v converter UNLESS the house battery switch (aka salesmans switch) is ON. Turn the house batts off, and the converter, if powered by shore power or generator will provide 12v, but is not connected to the house batts and will not charge them. Gotta have the house batts on.
Charles
While that is the most common setup, it's by no means universal. On my RV, the converter is connected on the battery side of the house battery disconnect switch. That means that, with the switch off, the converter will charge the battery but will not power the house circuits.
(You may wonder why they connected it up that way. I suspect it's because it made the wire runs simpler and shorter. The converter is a standalone deck-mount converter that's closer to the battery than the DC distribution panel.)
