Forum Discussion
Harvey51
Apr 24, 2018Explorer
I would disconnect both house and engine batteries when parking even for one day if I didn’t have solar power to maintain them. I do that with an older vehicle that is used only occasionally for short trips. Even older cars draw quite a bit of current when turned off - for starters the computer is never fully off unless denied current. The remote door unlock system is always listening for the signal from the remote and so on. We really notice this problem in northern winters because the cold destroys dead batteries.
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