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Old 02-22-2011, 07:26 PM   #1
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coach batteries

I recently had a coach battery explode on me...blew acid everywhere..got the battery replaced..now have both bats. hooked up but nothing works...can't start the generator or lights or anything...probably blew something...any idea where I should start...looks like all the dc fuses are ok although haven't checked under the dash...everything still works by the main starter battery...thanks for the help...

Ken C.
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Old 02-22-2011, 10:18 PM   #2
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Quote:
Originally Posted by kchadw1944 View Post
I recently had a coach battery explode on me...blew acid everywhere..got the battery replaced..now have both bats. hooked up but nothing works...can't start the generator or lights or anything...probably blew something...any idea where I should start...looks like all the dc fuses are ok although haven't checked under the dash...everything still works by the main starter battery...thanks for the help...

Ken C.
You need to look for an open circuit or a large voltage drop in the circuit, both in the power and ground sides. Cable connections and fuses/circilt breakers and battery cut-off switch would be likely suspects.
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Old 02-23-2011, 08:48 PM   #3
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Also likely there is a 300 amp fuse in the battery circit - that may be hard to find - that is blown. Don't ask me how I know


PHESPE
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Old 02-23-2011, 08:57 PM   #4
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Do you know what caused the battery to explode? Overcharging? A huge dead short somewhere on the heavy gauge battery cables might cause it. ????? If that is the case you might of fried something.
Greg
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Old 02-23-2011, 09:20 PM   #5
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Have you measured the 12 volts at the battery?
Is the battery you kept any good?
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Old 02-23-2011, 11:14 PM   #6
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Definitely look very carefully for some kind of short...

OR

You might have a fried converter that took out the batts in the first place...

Either way, if your not familiar with 12v and/or wiring in general, have someone who does take a look... for your safety.
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Old 02-23-2011, 11:38 PM   #7
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Typical setup will have your batteries tied to a fuse/circuit breaker - then to a battery disconnect device - then to your converter/DC distribution panel - which in turn feeds your varous DC devices. Follow the trail - check to insure fuses/breakers are functioning, your battery disconnect is operating correctly, your converter isn't fried, etc. - check for continuity between each connecting piece of the puzzle.
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