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  1. #1
    Silver Member
    Join Date
    Jan 2004
    Posts
    149
    Location
    Central Oklahoma

    Default JD 318 Electrical Issue

    This is a 1989 model with 1250 hours.

    A year or so ago, the battery warning light began staying on and the battery wouldn't charge. I installed a new voltage regulator/rectifier and it fixed the problem.

    Yesterday, it suddenly shut down when running. I was able to get it restarted but now the battery light is again. Additionally, it runs as long as its in neutral but when you attempt to move the hydro-stat handle and the neutral safety switch releases, the engine dies.

    I ordered another rectifier but the neutral switch has me concerned there may be another problem. Or is that another symptom of a bad rectifier?

    Thanks
    Chuck

  2. #2
    Gold Member KENSFM's Avatar
    Join Date
    Dec 2002
    Posts
    470
    Location
    MA
    Tractor
    JD 2210 JD318 JD332

    Default Re: JD 318 Electrical Issue

    How old is your battery, are you sure it is good?
    Ken
    "Wake up, if you want your dreams to come true."

  3. #3
    Silver Member
    Join Date
    Jan 2004
    Posts
    149
    Location
    Central Oklahoma

    Default Re: JD 318 Electrical Issue

    Just put the battery in last year when i replaced the last voltage rectifier, it's been working fine. I'm hoping the new rectifier will solve both problems, will advise
    Chuck

  4. #4
    Platinum Member joecdeere's Avatar
    Join Date
    Apr 2002
    Posts
    628
    Location
    Cumming,Georgia

    Default Re: JD 318 Electrical Issue

    I don't have the answer, but I have a PDF of the Deere Tech manual you're welcome to that I bet does. Shoot me your email
    Joe

  5. #5
    Silver Member
    Join Date
    Jan 2004
    Posts
    149
    Location
    Central Oklahoma

    Default

    [
    Quote Originally Posted by joecdeere View Post
    I don't have the answer, but I have a PDF of the Deere Tech manual you're welcome to that I bet does. Shoot me your email
    Joe
    Joe

    My email is ***********

    Thanks very much for your generous offer

    Chuck,
    Last edited by Y2KF250PSD; 04-03-2013 at 02:58 PM.
    Chuck

  6. #6
    Silver Member
    Join Date
    Aug 2008
    Posts
    145
    Location
    Pacific NW
    Tractor
    John Deere 3320 John Deere X739

    Default Re: JD 318 Electrical Issue

    Did you check the seat switch? If its bad the engine will die when shifted out of neutral. Had to replace the one on my 87 318 a few years ago.

  7. #7
    Silver Member
    Join Date
    Jan 2004
    Posts
    149
    Location
    Central Oklahoma

    Default Re: JD 318 Electrical Issue

    That switch was actually bypassed when i got the machine but i did double check it. Thanks for the idea though
    Chuck

  8. #8
    Silver Member
    Join Date
    Aug 2008
    Posts
    145
    Location
    Pacific NW
    Tractor
    John Deere 3320 John Deere X739

    Default Re: JD 318 Electrical Issue

    Quote Originally Posted by Y2KF250PSD View Post
    That switch was actually bypassed when i got the machine but i did double check it. Thanks for the idea though
    I thought about bypassing mine also but at about the same time a friends dad rolled his mower over on top of himself and was glad the seat switch was working. He broke his leg but didn't get chewed up by a running mower.

  9. #9
    Silver Member
    Join Date
    Jan 2004
    Posts
    149
    Location
    Central Oklahoma

    Default

    Well a new regulator/rectifier didn't fix it. Still have battery light on when running and engine dies when neutral switch is released.

    Great
    Chuck

  10. #10
    Silver Member
    Join Date
    Jan 2004
    Posts
    149
    Location
    Central Oklahoma

    Default

    It's fixed. One of the two fuses by the battery was MISSING. Not sure how it came out but that fixed the problems!
    Chuck

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