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Old 06-18-2010, 08:11 PM   #1
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air conditioner makes battery dead unless remove fuse!


Why does my a/c make battery dead unless i remove fuse, then i have no a/c?

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Old 06-18-2010, 08:36 PM   #2
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air conditioner makes battery dead unless remove fuse!


Battery in what, a UPS? You're not plugging an AC into a UPS are you? Most UPSes can't handle that much current.

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Old 06-18-2010, 09:12 PM   #3
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air conditioner makes battery dead unless remove fuse!


Just a guess, but I think the OP is talking about auto a/c. If so sounds like an a/c relay is stuck.
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Old 06-18-2010, 09:48 PM   #4
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air conditioner makes battery dead unless remove fuse!


Quote:
Originally Posted by hayewe farm View Post
Just a guess, but I think the OP is talking about auto a/c. If so sounds like an a/c relay is stuck.
I guess the OP could pull that relay and see if it fixes it. Otherwise, a schematic from AutoZone or someplace like that would come in handy.
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Old 06-18-2010, 10:16 PM   #5
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air conditioner makes battery dead unless remove fuse!


Let see now, since this is posted on a board for residential wiring, how about a GFCI mounted on the dashboard so he reset it when the AC is needed. He'd just have to come up with a way to connect the load to the ignition switch so it would trip when the switch is off.
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Old 06-18-2010, 10:48 PM   #6
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air conditioner makes battery dead unless remove fuse!


I believe the board is labeled "DIY Chat Room" and this thread is labeled "Electrical"
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Old 06-19-2010, 12:15 PM   #7
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air conditioner makes battery dead unless remove fuse!


It could have been in HVAC or Automotive repairs but substantial troubleshooting has already been done by the OP to narrow it down so I vote that it is now an electrical problem.
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Old 06-19-2010, 12:24 PM   #8
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air conditioner makes battery dead unless remove fuse!


Orrrrrrr... it could be an alternator problem?

I'll leave this thread here until he gets back to reply.
If no good answers, I'll move it to automotive and see.

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Old 06-19-2010, 07:30 PM   #9
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air conditioner makes battery dead unless remove fuse!


What kind of car? Does the fan run with the key off?

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