Battery shut-off switch
Having trouble with battery draining with no accessories left on. I was told the memory 12v wire to radio will do this in boats. Not sure I beleive that but bought a selector switch ( Batt.1 , Batt. 2, Batt.1/2, and OFF) and extra battery. Don't like the idea of not cranking when out on water. Just wondering if while running , I should have it on both batteries for charging from alternator of motor (200 Merc.), or just alternate between trips.
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