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Battery Tender Installation

Discussion in '308/328' started by gphpe, Feb 24, 2008.

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  1. gphpe

    gphpe Rookie

    Jan 14, 2008
    38
    Central Coast, CA
    Full Name:
    Gary
    #1 gphpe, Feb 24, 2008
    My '89 328 GTS has a permanant pigtail socket installed underside of left front spoyler. The pigtail socket is directed wired to the battery. The + wire has a 20 amp fuse that is burned. I want to but a battery tender plus to keep battery charged while the car sits for a few weeks. What amp fuse should be re-installed, replace the 20 amp? Thanks for the help.
     
  2. KKRace

    KKRace Formula 3

    Aug 6, 2007
    1,052
    Rockville/Olney MD
    Full Name:
    Kevin
    #2 KKRace, Feb 24, 2008
    If you are just using a battery tender on the pigtail you shouldn't need over 5amp since I don't thing the Battery Tender puts out more that a couple amps. Check the output on the back of the battery tender. There should be something that shows max output current?
     
  3. Jeff328

    Jeff328 Formula 3

    Sep 5, 2006
    2,293
    WI
    #3 Jeff328, Feb 24, 2008
    A Deltran Battery Tender Plus puts out 1.25A maximum. I would use a 2A slow blow fuse.
     
  4. ducowti

    ducowti Formula 3

    Jan 27, 2008
    1,558
    NY/SC
    Full Name:
    David
    #4 ducowti, Feb 24, 2008
    What he said.
     
  5. gphpe

    gphpe Rookie

    Jan 14, 2008
    38
    Central Coast, CA
    Full Name:
    Gary
    #5 gphpe, Feb 24, 2008
    I installed a 2 amp fuse and will be getting a Battery Tender Plus.
     

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