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Old 03-14-2014, 06:47 PM   #1
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Battery disconnect

Question. Does the battery disconnect shut down both house and chassis batteries? If there typically is some phantom discharge, what battery poles should I disconnect when I store the coach? I have 8 6V house and and 2 12V coach batteries. I plan to store my coach in a few days for 9 weeks and my storage facility has no electricity available for trickle charging. Thanks!
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Old 03-14-2014, 06:58 PM   #2
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Typically the, factory installed, disconnect is only for the House ( coach ) batteries.
Disconnect the ground - , negative terminals on both 12volt batteries.
Remember that the trans and engine controller , will lose all memory, and will require about 20 mins. of drive time to start ,re-learn, normal operation.
You may notice some funny idle speed and rough shifting during that time.
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Old 03-15-2014, 07:32 AM   #3
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Quote:
Originally Posted by Skip426 View Post
Typically the, factory installed, disconnect is only for the House ( coach ) batteries.
Disconnect the ground - , negative terminals on both 12volt batteries.
Remember that the trans and engine controller , will lose all memory, and will require about 20 mins. of drive time to start ,re-learn, normal operation.
You may notice some funny idle speed and rough shifting during that time.
Thanks for responding. I had no idea that the trans and engine controller would lose memory. That being said, do you think I need to disconnect my chassis 12V batteries for just 9 weeks. Would there be any parasitic draw on the chassis side?
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Old 03-15-2014, 07:43 AM   #4
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You LP detector is off the chassis batteries and you may have a switch for that in your display area.
Some chassis batteries have a disconnect switch also.
I think you have these in your files 12v battery system and 12v wiring system
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Old 03-15-2014, 09:20 AM   #5
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The control modules draw power to retain their memory. Typical drain time for a car with multiple modules; and a single battery, is 3 weeks.
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Old 03-15-2014, 11:22 AM   #6
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If unsure I would simply disconnect the batteries. That way you will not pull batts down to a life-shortening low voltage. Always remove negative cable from batts and then you have no worries for 9 weeks.
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