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  1. #1

    Join Date
    Feb 2014
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    Mobile, AL
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    96 GTX draining battery

    I just purchased this ski Saturday. It has a new re-man. engine installed and it does run. I put a new fully charged battery in it Saturday. Yesterday (Monday) I dropped it in the water to try it out. The battery did not have enough juice to turn it over. I took it back home and hooked up the charger and it was at 55% charge. I charged it overnight on 2 amps and now its back up to 100% charge and the engine turns over just fine.

    The ski is in top shape for it's age. All wiring appears to be as it should be. I am a veteran boater but I am new to PWCs. I keep the lanyard dis-connected. Any ideas of what could be draining the battery? I'm thinking about installing a battery cutoff to the negative terminal until I figure this out. Of course right now I have the negative cable dis-connected.
    Last edited by Rnuts; 02-11-2014 at 01:45 PM.


  2. #2
    wotxxxsd's Avatar
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    May 2012
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    Are you sure the battery is good. I have had new batteries be bad. For me about 1 in 20 batteries had been bad. Have the battery load tested.

  3. #3

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    Feb 2014
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    Mobile, AL
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    Yeah. The battery is actually a month old and I took it out of my Yamaha and put it into the Seadoo Saturday. I did charge it before putting it into the GTX and it has worked fine in the Yamaha.

  4. #4
    wkuadam07's Avatar
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    Feb 2013
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    I would start with the rectifier. Sometimes the diodes in the rectifier will start to go bad and drain a battery. Easy test is to simply unhook the rectifier plug and see if it still drains the battery.Have you checked to see if it's charging? It should make 13-14.5 volts or there abouts when revving the engine up to 2500 or more.

  5. #5

    Join Date
    Feb 2014
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    Mobile, AL
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    Don't know about the charging I'll check. I'll check the rectifier also. Thanks

  6. #6
    tweeker's Avatar
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    Jul 2007
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    Denver NC
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    I've had several that the info gets moisture in it and drains the battery fast

  7. #7

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    Feb 2014
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    Mobile, AL
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    You're talking about the info center, tweeker? It is not working and has some condensation behind the screen.

  8. #8
    Tweeker might have hit the nail on the head.
    Usually a rectifier on the way out will show itself by engine running erratically or acting as a rev limiter

  9. #9
    tweeker's Avatar
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    Yea my bad Info center, it can be unplugged right outside the electric box to verify from the harness going up to the gauges, I had two or three this summer and they would run the battery dead overnight

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