At 11:50 AM 5/15/2001, Jay L Snyder wrote: >To completely isolate the second battery I put under the back seat, is >disconnecting the (-) cable sufficient or should I disconnect both (+) and >(-)? Both batteries are tied together right now. The "second" battery is Disconnecting either lead will remove the battery from the circuit. I think it would be ordinary practice to unhook the positive lead, but I can't at the moment see how it would make any practical difference either way except for convenience in switching between batteries. Actually, if you unhook the positive lead you still have danger from a short btw the pos terminal and the vehicle body, but if you unhook the negative the danger is much less because any short (from neg terminal to chassis) would have to pass through any load circuits connected to the battery instead of straight to ground. david
David Beierl - Providence, RI http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation" |
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