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Battery Problems 330 GTC

Discussion in 'Technical Q&A' started by LakotaBeach, Oct 10, 2011.

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  1. LakotaBeach

    LakotaBeach Rookie

    Oct 10, 2011
    2
    #1 LakotaBeach, Oct 10, 2011
    I seem to be going through good quality batteries (Interstate), with a quality tender, properly installed. Car isn't run or started but maybe every 3-4 weeks and after several months of this the battery has power, but not enough to engage the starter. Starter, solenoid and other related things gone over by experts. Ideas? Don't have a deep cycle battery type, just regular good quality car battery.
     
  2. Tinbender

    Tinbender Formula Junior
    Owner Rossa Subscribed

    Mar 13, 2004
    327
    Raleigh,Lake Lure,NC
    Full Name:
    Terry W. Phillips
    #2 Tinbender, Oct 10, 2011
    Does the tender show it is charging all the time or does it stay in standby most of the time. Don't know which kind you have but mine shows a red light when I first hook it up and then it stays green most of time unless I open a door and then it will go red for a few minutes. If it is charging all the time you have something drawing power, and it may be more than the tender can keep up with.

    Good luck,
    Terry W. Phillips
    330GTC #9411
     
  3. Paul_308

    Paul_308 Formula 3

    Mar 12, 2004
    2,345
    #3 Paul_308, Oct 10, 2011
    It is possible the tender is set to too high voltage and your battery acid is boiling away water, shortening it's life. And it's possible the alternator isn't totally charging the battery during drives.

    A voltmeter would provide the best clues under several conditions.
    1) Totally idle, ignition off, no tender for several days
    2) Engine at 2k+ rpm
    3) An hour after shutoff from a drive - no tender.
    4) On tender for several days.
     
  4. twright

    twright Karting

    May 15, 2005
    225
    Indianapolis USA
    #4 twright, Oct 11, 2011
    I have seen a Battery Tender that failed: No output after being dropped. Unplug it from the battery and see if there is any voltage. A good one should be somewhere over 14 volts, while not connected to anything.
     

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