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Max Online: 36273 @ 01/23/13 02:34 PM
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#11489549 - 03/20/16 05:12 PM Dead Battery
kirbydog Offline
Pro Angler

Registered: 02/18/06
Posts: 666
Loc: Colorado/Conroe
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?
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#11490607 - 03/21/16 08:37 AM Re: Dead Battery [Re: kirbydog]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 10907
Loc: Littlefield Tx & Lake A. H. US...
Light is not reliable seen many times especially on the lights built into the boat like some Skeeters.
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#11490777 - 03/21/16 09:34 AM Re: Dead Battery [Re: kirbydog]
fitter2259 Offline
TFF Celebrity

Registered: 12/29/11
Posts: 5568
Loc: Humble, Texas
Dual-Pro? Indicator lights are a pretty common failure on these.
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#11491114 - 03/21/16 12:24 PM Re: Dead Battery [Re: kirbydog]
Stump jumper Offline
TFF Celebrity

Registered: 04/19/04
Posts: 7199
Loc: Rockwall
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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#11491228 - 03/21/16 01:01 PM Re: Dead Battery [Re: kirbydog]
forkduc Online   content
TFF Guru

Registered: 03/28/07
Posts: 10770
Loc: Plano,Texas
I just had the same thing happen and found the cables were not tight on the cranking battery! 4 bank Minkotta.

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#11491330 - 03/21/16 01:40 PM Re: Dead Battery [Re: Stump jumper]
D Miner Online   content
Outdoorsman

Registered: 03/06/14
Posts: 192
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.

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#11491373 - 03/21/16 01:52 PM Re: Dead Battery [Re: forkduc]
Flippin-Out Offline
Extreme Angler

Registered: 02/25/15
Posts: 1642
Loc: Magnolia, TX
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.

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#11491656 - 03/21/16 03:56 PM Re: Dead Battery [Re: Flippin-Out]
forkduc Online   content
TFF Guru

Registered: 03/28/07
Posts: 10770
Loc: Plano,Texas
Thanks, I'll see whats there tomorrow. Sure make sense.

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