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Old 07-13-2014, 07:20 PM   #1
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Battery

what I the easiest way to find what is drawing my starting battery down when the coach is setting. It takes about 2 weeks.
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Old 07-13-2014, 07:37 PM   #2
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2>3 weeks is normal draw down time , from draws such as trans and engine controller memory.
Disconnect batteries , a small solar panel or hook up to power with a battery tender, are the options.
Disconnecting batteries will put the controllers in " learn " mode at start up , stalling and rough shift are possible for 20 mins. or so, of run time after start up..
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Old 07-14-2014, 07:12 AM   #3
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I ended up with two "Knife Blade" shut off switches, one on house batteries, one on starting battery. No more drained batteries. I see no difference on start-up, except that I loose my radio presets.
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Old 07-14-2014, 05:45 PM   #4
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Quote:
Originally Posted by rich6111 View Post
what I the easiest way to find what is drawing my starting battery down when the coach is setting. It takes about 2 weeks.
Connect in line amp meter to detect phantom loads.

Remove circuits one at a time to determine where draw is (remove fuse or turn off breaker).

Note ....... with no solar or BIRD, a chassis battery can be drawn down in a few weeks. Quick and affordable remedy is to disconnect negative cable from battery when parked for greater than one week.
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Old 07-21-2014, 02:05 PM   #5
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One item that continues to draw even with battery disconect switch is the LP Gas detector. My 12 Holiday Rambler 34SBD has a seperate switch on the power control board in the front outside compartment that kills the power to the LP gas detector and the Radio memory. Only other choice for longer term storage is to remove the battery lead.
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