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  1. #1
    Member
    Join Date
    Feb 2011
    Posts
    31
    Location
    Central OK
    Tractor
    Yanmar YM1500, Yanmar FX26D/Koyker FEL

    Default YM1500 Wiring diagram

    Looking for a wiring diagram for my YM1500 .
    When my son whent to start the tractor the battery was down and would not turn the engine over fast enough to start When he released the compression lever (engine stoped turning). He hooked up the jumper cables to jump start it and the "smoke god" escape under the dash at the voltage regulator wire,and burnt the insulation off . Probabley hooked up backwards (not me syndrome), but he said no , probabley been done more than once in its life. Also has not been keeping battery charged the last couple of times we used it ,we had cleaned the cables at the battery a few weeks ago when it did not start. Need to trace down the wire to see where it goes and what it hooks up to.
    Has any one changed out the alternator to a high amp one?
    Del

  2. #2
    Elite Member
    Join Date
    Dec 2009
    Posts
    2,615
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: YM1500 Wiring diagram

    This might help you. There is a complete schematic in the 1500 parts manual which I don't have. http://www.tractorbynet.com/forums/a...019-ym1500.jpg

  3. #3
    Member
    Join Date
    Feb 2011
    Posts
    31
    Location
    Central OK
    Tractor
    Yanmar YM1500, Yanmar FX26D/Koyker FEL

    Default Re: YM1500 Wiring diagram

    Thank you Winston1, it will give me a starting place. I knew they were simple but did not relize that simple.

  4. #4
    Bronze Member damammel's Avatar
    Join Date
    Jun 2011
    Posts
    87
    Location
    Sterling Ct
    Tractor
    Yanmar 1500D

    Default

    Hi Del. I have a 1500D and installed a Chevy alternator in it. I think I've put about 150 hours on it since I've installed it. I went back after and removed all the contents from the dynamo and installed new bearings. Now it is just a fan pulley.

    http://www.tractorbynet.com/forums/y...fications.html

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