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Jeep Wrangler JK
JK General Discussion
Dual Battery Questions
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<blockquote data-quote="Duster" data-source="post: 456487" data-attributes="member: 20812"><p>There is a chance that battery will generate either hydrogen or hydrogen sulfide - I forget which. But if the battery is old and has problems, it can vent gas which is explosive. If the contact, usually ground, is a little loose, then a single spark can become really dramatic. I was taught that you never, ever attach of the jumper cables to the negative terminal of the battery on the car that needs the jump. Attach it to a good metal ground in the engine compartment away from the battery. But you want to be certain that both batteries are in decent physical shape. Both times I saw a battery blow up that grounding rule was violated. The cables were just not long enough to reach a decent ground. Needless to say the engine compartment needs a thorough wash if that happens.</p></blockquote><p></p>
[QUOTE="Duster, post: 456487, member: 20812"] There is a chance that battery will generate either hydrogen or hydrogen sulfide - I forget which. But if the battery is old and has problems, it can vent gas which is explosive. If the contact, usually ground, is a little loose, then a single spark can become really dramatic. I was taught that you never, ever attach of the jumper cables to the negative terminal of the battery on the car that needs the jump. Attach it to a good metal ground in the engine compartment away from the battery. But you want to be certain that both batteries are in decent physical shape. Both times I saw a battery blow up that grounding rule was violated. The cables were just not long enough to reach a decent ground. Needless to say the engine compartment needs a thorough wash if that happens. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Dual Battery Questions
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