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  #11  
Old 08-13-2018, 12:13 AM
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mikeg205 mikeg205 is offline
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Bad rectifier on alternator will drain off battery.

Sent from my SM-G955U using Tapatalk
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  #12  
Old 08-13-2018, 02:03 PM
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ValveCoverGasket ValveCoverGasket is offline
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id recommend taking a meter and checking the amp draw on your batteries with the key off but bat switch on.
you can get a pretty good idea of how long itll draw down that way.
if its something like 10-20mA itll last longer than itll need to.
if its ~1A, theyll probably be marginal after a week.

no need to guess!
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  #13  
Old 08-13-2018, 02:06 PM
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MC25 MC25 is offline
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Pull the plug and turn the battery off
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LONE STAR MASTERBASH 2018!!!!!!

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  #14  
Old 08-13-2018, 02:49 PM
LDA6339 LDA6339 is online now
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Originally Posted by MC25 View Post
Pull the plug and turn the battery off
Wouls not recommend, works great till your lift fails
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  #15  
Old 08-13-2018, 02:53 PM
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MC25 MC25 is offline
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Originally Posted by LDA6339 View Post
Wouls not recommend, works great till your lift fails
works great if you have insurance lol
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LONE STAR MASTERBASH 2018!!!!!!

http://www.mastercraft.com/teamtalk/...30#post1417530

2016 X30-Wetsounds galore
2017 Misty Harbor Tri-Toon
1985 S&S- Gone but never forgotten
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  #16  
Old 08-13-2018, 03:16 PM
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helton333 helton333 is offline
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I have a small battery drain, like 20-30% in a few weeks - I do have dual battery with cutoff with the amp on the second (cutoff) battery. I don't cut the main one off (and it is the one that drains) because having to reset the radio controls each time it is a pain (I have an non-OEM Clarion that works with my wired remotes on a 2003 - it's an M505).

So I installed a NOCO dual bank charger onboard next to the amp and keep it plugged in on the dock - the NOCO stuff is so well made and advanced I would recommend it if you're looking for a great product.
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