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Replacing battery w/o loosing juice

Discussion in 'Ferrari Discussion (not model specific)' started by Street&Track, Jan 30, 2010.

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  1. Street&Track

    Street&Track Formula Junior

    Nov 10, 2003
    662
    #1 Street&Track, Jan 30, 2010
    I am planning on replacing my OEM battery on my 05 F430 with a new battery. After reading several threads I have decided on a Odyssey PC925T.

    In reading the instructions of installing a new battery it is recommended that you turn the battery disconnect switch to off and then disconnect the battery connections from the battery termincals. In doing this it then requires on first startup after installing the new battery that you must re-learn all the ECU parameters and re-initialize the radio with the radio code.

    The question I had for other F-Chatters, has anyone connected a battery tender or charger to the system and used it to keep the system energized while switching the old battery for the new. Hence in theory, you would avoid having to re-learn the ECU parameters and re-initializing the radio.

    I already know that you have to be careful, VERY CAREFUL in doing this and I would take the proper precautions such as taping the negative cable so that it does not ground while I am switching battery connections. But I am just wondering if anyone has every tried a hot swap of batteries for any model Ferrari that normally requires a complete re-learning process after installing a new battery.
     
  2. Mondog1

    Mondog1 F1 Rookie
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    #2 Mondog1, Jan 31, 2010
    Years ago my mechanic told me how to do something like that. I don't remember the details but something about plugging into the cig lighter outlet a battery charger set on trickle charge. It was suppose to give just enough charge to keep juice going to everything. How true it is I don't know but he was a damn good mechanic so i'd give it some credit.
     
  3. docf

    docf Formula 3

    Sep 14, 2008
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    #3 docf, Jan 31, 2010
    I have not done it to my Ferrari , but have done it to my Viper. I simple attached the black electrode to cars black cable, then attached the red cable of tender to the positive battery cable while still attached to old battery, then removed cables from the old battery. Tender is supplying needed juice. Removed old battery,then reattach with ground first, then red positive and had no problems.
    Like I said had no problem , but it wasn't the Ferrari!
    Docf
     
  4. jm3

    jm3 F1 Rookie

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    #4 jm3, Jan 31, 2010
    you can buy a simple device that plugs into the cigarette lighter and uses a 9V battery. 9V is enough to retain memory in all of the computers.

    Jay
     
  5. Mondog1

    Mondog1 F1 Rookie
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    #5 Mondog1, Jan 31, 2010
    That's right. I was thinking about this today and this is what I was told, not what I said above.
     
  6. ferrarioldman

    ferrarioldman Formula 3
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    Jun 19, 2002
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    Tom Jones
    #6 ferrarioldman, Jan 31, 2010
    The problem with this is that the lighter is energized only when the key is on. I would recommend connecting a jumper battery to the connections behind the drivers seat.
     
  7. AMA328

    AMA328 F1 Rookie

    Nov 12, 2002
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    #7 AMA328, Feb 13, 2010
    Can you post a product name/description for this? Took a quick look on ebay, but didn't know how to describe it enough to pull up anything relevant.
     

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