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  1. #1
    New Member
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    Aug 2011
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    John Deere 445

    Question John Deere 445 Charging Problem

    The charging system on my 445 quit, but I'm not sure if it has an alternator, generator or magneto. I can't see anything being driven by the fan belt. Where do I start looking?
    Thanks,
    Per

  2. #2
    Administrator Muhammad's Avatar
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    Welcome to TBN.
    Muhammad Chishti
    Administrator

  3. #3
    Elite Member Briana03's Avatar
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    Default Re: John Deere 445 Charging Problem

    Hello & WELCOME to TBN!

    I moved your thread to the John Deere Lawn & Garden Forum.
    Briana
    TBN Support

  4. #4
    New Member
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    Jul 2004
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    Southern CT
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    Deere 3520

    Default

    The 445 should have a v-twin Kawasaki right? It was common for the voltage regulator mounted on the frame below the steering wheel to fail. It's a grey box the size of a deck of cards with cooling fins on it. But before you replace it make sure the battery terminals and fuses are good.
    Deere 3520, 300CX loader, HPX gator, L120, oh yea the chainsaw, back pack blower, brush cutter, pole saw, trimmer, and the generator are all Green!

  5. #5
    Platinum Member joecdeere's Avatar
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    Default Re: John Deere 445 Charging Problem

    I have the tech manual in a PDF file if you'd like a copy shoot me your email

    Joe

  6. #6
    New Member
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    Jan 2014
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    Location
    Falmouth, MA
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    John Deere 445

    Default Re: John Deere 445 Charging Problem

    Quote Originally Posted by Preludegod View Post
    The 445 should have a v-twin Kawasaki right? It was common for the voltage regulator mounted on the frame below the steering wheel to fail. It's a grey box the size of a deck of cards with cooling fins on it. But before you replace it make sure the battery terminals and fuses are good.
    With a new battery, good fuses, clean terminals, I have a charging voltage of 13 volts. The head lights at night are very dim. If I try to start the tractor 2-3 times in a 10 minute period I will have run down the battery. Does this sound like the voltage regulator? Thanks.

  7. #7
    New Member
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    Jan 2014
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    Location
    Falmouth, MA
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    John Deere 445

    Default Re: John Deere 445 Charging Problem

    Any chance I could bug you for a copy of the 445 (Lawn and garden) tech manual?

    Thanks, George.

  8. #8
    New Member
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    Jul 2016
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    Location
    Willow Street, PA
    Tractor
    445 john deere

    Default Re: John Deere 445 Charging Problem

    Hi, could send me a copy of the pdf for the 445 john deere charging problem

  9. #9
    Silver Member
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    Jun 2015
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    Plymouth, MN
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    Jd lx178

    Default Re: John Deere 445 Charging Problem

    I fixed a friend's JD that wasn't charging. Took a while to find the problem. Turns out that the connector to the regulator had developed a poor connection which in turn cause the connector to overheat which caused no or poor connection.

    The regulator is a sob to get out but in order to get at the connector to make sure it has a good connection, remove it. Remember to disconnect the battery first.

    Look at the connector, it should be a white opaque color. If it has brown or black color around one or more of the connectors, there is the problem. I was able to repair the unit I worked on by removing the terminals from the connector housing, pinching the terminal back into it's original shape and the put it back into the connector. Also cleaned all the terminals on the regulator. Get them nice and shinny.

    Good Luck

    Richard

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