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Flyback 15-3 battery charger not working

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    Flyback 15-3 battery charger not working

    Hello All,

    I have a 2005 Bayliner 265 cruiser and it appears I've gone through 2 new batteries. The culprit was the battery charger (Flyback 15-3). It appears it's the original that came with the boat. This boat is still mint as it only has 35 hours on it. Not sure why it would suddenly stop working but guess it just died out. When plugged into shore power, the needle doesn't move. Wondering if it was a fuse or just a bad unit. But reading on some forums, Someone mentioned to check for the fuses. Can someone provide a location of where these fuses are located or hidden since that compartment space is tiny to crawl into. What tools needed too.


    Thanks in advance!
    JC

    #2
    Fuses may be located near the batteries themselves. If the on board charger appears to be powered up then check the voltage readings at the batteries with a multi meter. Should be around 13.8-14.2 I believe.
    welcome to the club😉
    Dave
    Edmonds, WA
    "THE FIX"
    '93 2556 5.7 Bravo II 2.0:1 18 1/4x19 P
    (.030 over-Vortec top end-part closed cooled)
    The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
    Misc. projects thread
    https://www.baylinerownersclub.org/f...56-gctid789773

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      #3
      Many battery chargers have internal fuses. Some are easily accessible, others are not. I checked the web for Flyback chargers and found factory troubleshooting data that mentioned internal fuses. Unfortunately, it did not mention where they are located. You may need to disconnect shore power and the battery connections to the unit and take the covers off to see if you find fuses.
      1999 3788, Cummins 270 "Freedom"
      2013 Boston Whaler 130 SS
      Anacortes, WA

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