I give up. My Class A Ford battery is dead. I was having a problem iwith my battery dying in storage, so I brought it in to an auto parts store and found out it was weak. Installed the new battery an...
Take an electric multimeter and put it on maximum amp setting, which is usually 10 amps. Disconnect either lead from your house battery and put the meter leads on the battery and on the loose end of the cable. This will tell you how much power is being drawn from the battery. Anything over a few milliamps is going to drain your battery in a few days. Some coaches have electric mirror heaters that do not self cancel.