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Dec 30th, 2023
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 boat parasitic electric drainage?
#9113342
07/10/13 01:57 AM
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Joined: Feb 2010
Posts: 5,103
Rob Lay
OP
TFF Celebrity
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OP
TFF Celebrity
Joined: Feb 2010
Posts: 5,103 |
so I'm having to keep my boat in storage for a couple months. I fully charged the cranking and the 3 trolling batteries before I put in storage a week ago. I got it out tonight, the trolling batteries were still 100%, the cranking battery was 60%.
when I charged and then in storage I had the main and trolling motor switch off.
is this normal to have that much of a parasitic drain on the cranking battery?
boat is a 2011 520. thanks!
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Re: boat parasitic electric drainage?
[Re: Rob Lay]
#9113773
07/10/13 03:57 AM
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Joined: Sep 2012
Posts: 626
nolte_martin
Pro Angler
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Pro Angler
Joined: Sep 2012
Posts: 626 |
if by main switch you mean battery cut off switch then your battery might be getting weak but if you have a radio or an auto bilge pump they might be draining it
marine mechanic at lake tyler if you need any work done
(786)387-9610
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Re: boat parasitic electric drainage?
[Re: nolte_martin]
#9114239
07/10/13 12:58 PM
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Joined: Nov 2006
Posts: 2,848
TLW
Extreme Angler
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Extreme Angler
Joined: Nov 2006
Posts: 2,848 |
Anything 'lectronic with "memory" will do it............
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Re: boat parasitic electric drainage?
[Re: Rob Lay]
#9114263
07/10/13 01:08 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Rangers have a seperate main breaker switch but it does not cut off power to the ECU on the outboard. You need a battery disconnect, disconnect one post on the battery or leave a trickle charger on the main battery.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: boat parasitic electric drainage?
[Re: Rob Lay]
#9114360
07/10/13 01:38 PM
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Joined: Jan 2012
Posts: 926
Gary Pender
Pro Angler
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Pro Angler
Joined: Jan 2012
Posts: 926 |
Do you have a power pole? They will drain the batts. if not wired to a cut off switch.
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