My rv does not switch to battery when I disconnect from land power. it also does not work when I am driving the coach. There is a new battery and it is fully charged. help please
This sounds very much like the battery is not really connected.....due to a disconnect switch being in a wrong position or a loose connection or a blown fuse and the battery charger/converter is supplying the 12 V while plugged in.
NOW would be a good time to get a meter if you don't already have one.
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