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Old 08-16-2010, 12:15 AM   #1
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battery disconnect switch

should this switch remain on at all times????????????if not when should it be off?
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Old 08-16-2010, 05:30 AM   #2
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only time you turn it off is when the coach is not in use.
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Old 08-16-2010, 01:24 PM   #3
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battery disconnect switch

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Originally Posted by Richard S. View Post
only time you turn it off is when the coach is not in use.

we have been plugging our mh into shore power at times to keep the batteries built up....i'm assuming the switch would need to be on at those times and then turn it off...is this what you are saying,,,,,sorry we are new to mh and just don't understand alot...we bought from individual who did not know anything and by the time we bought national was no longer in business.
we had always had 5th wheels with virtually no problems. thanks for your response and if you'd reply to this post.
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Old 08-16-2010, 01:27 PM   #4
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is the purpose of the battery disconnect switch to prevent the draining of the battery power???????????
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Old 08-16-2010, 01:35 PM   #5
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I don't see any indication of what make/model/year motor home this is, but I believe it is safe to assume that that is a HOUSE battery disconnect switch ONLY. It's purpose is to disconnect the house batteries from any phantom loads while the coach is in storage. We also use our disconnect switch while using the equlalize function of our 3-stage charger to prevent over-voltage to 12v house electronics. This switch will NOT normally disconnect the chassis/engine battery bank, which can also have phantom loads that can cause it to go dead during storage.
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Old 08-19-2010, 09:21 AM   #6
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I have not studied the electrical schematic, but my disconnect seems to cut off most everything related to the coach except the power step. I can start the engine with the disconnect set, but can't adjust the power seat or use the radio. Also, the CO and propane alarms are still functional.

I installed a larger solar panel using the original solar wiring circuit. Even with the disconnect set, the two house batteries and the motor battery are getting charged during storage. Apparently, one of the 12v busses in the circuit breaker panel is always connected to the battery.
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