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Dead Battery #11489549 03/20/16 10:12 PM
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kirbydog Offline OP
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This morning when I went out to the boat nothing worked but the trolling motor. I had green lights across all 4 batteries-3 for the TM and one for the starting battery. But the starting battery was completely dead so I replaced it and everything works.

My question-if the starting battery was dead why was it still showing a green light on the bank charger?

Re: Dead Battery [Re: kirbydog] #11490607 03/21/16 01:37 PM
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gary purdy Offline
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Light is not reliable seen many times especially on the lights built into the boat like some Skeeters.


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
Re: Dead Battery [Re: kirbydog] #11490777 03/21/16 02:34 PM
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fitter2259 Offline
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Dual-Pro? Indicator lights are a pretty common failure on these.


Re: Dead Battery [Re: kirbydog] #11491114 03/21/16 05:24 PM
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Stump jumper Offline
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If the lights just measure voltage then they are useless. I have had numerous batteries that showed good volts but did not have the required amps.


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Re: Dead Battery [Re: kirbydog] #11491228 03/21/16 06:01 PM
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forkduc Online Content
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I just had the same thing happen and found the cables were not tight on the cranking battery! 4 bank Minkotta.

Re: Dead Battery [Re: Stump jumper] #11491330 03/21/16 06:40 PM
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D Miner Offline
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Originally Posted By: Stump jumper
If the lights just measure voltage then they are useless. I have had numerous batteries that showed good volts but did not have the required amps.


Very true. A cell in the battery can die, and will still display the proper voltage under no load. But the battery won't be able to deliver 12V power at all.

Re: Dead Battery [Re: forkduc] #11491373 03/21/16 06:52 PM
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Flippin-Out Offline
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Originally Posted By: forkduc
I just had the same thing happen and found the cables were not tight on the cranking battery! 4 bank Minkotta.


You should be using lock-nuts on at least the cranking battery. This recommendation is quite common with outboard manufacturers as an open-circuit for the battery connection can result in engine electrical component damage.

Re: Dead Battery [Re: Flippin-Out] #11491656 03/21/16 08:56 PM
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forkduc Online Content
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Thanks, I'll see whats there tomorrow. Sure make sense.

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