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Old 03-26-2017, 10:53 AM   #1
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No House Power!!!!

Hi All,
My Coach batteries took a crap (6 years old) and I changed them this morning. Now I have no 12V power in the MH. I tried the master and nothing. I have 12.78 volts coming from the new batteries. Is there something I have to reset after changing batteries? What am I missing??????
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Old 03-26-2017, 10:57 AM   #2
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Do you have a remote 12 volt disconnect switch, usually by the entry door. If so switch it off and on
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Old 03-26-2017, 12:41 PM   #3
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Yep, sounds like either the main disconnect or the salesman's switch is turned off. Use your multimeter and trace it down starting, as you did, at the batteries.

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Old 03-26-2017, 02:25 PM   #4
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Thanks for the help guys. I started tracking down the problem with the multi-meter and found the main fuse right off of the batteries blown. I remember when I was removing the old batteries, my ratchet and socket slipped and fell on the positive and negative posts and caused a pretty good spark. Oh well a trip to Camping World a $12.72 later everything is working fine.......
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Old 03-26-2017, 06:44 PM   #5
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Good job.
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Old 03-26-2017, 07:58 PM   #6
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Excellent trouble shooting, safe travels.
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