On first trip of the year old house battery (group 27) died 6 hours after setting up. All the 110 appliances worked, but all of the 12-V lights dimmed; battery indicator on the house monitor said it w...
If you are connected up 120 volt power, you should be able to disconnect your battery and all the 12 volt items should still work. If they do not work, converter is bad, or you have a blown fuse some where.
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