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  1. #1
    New Member
    Join Date
    May 2011
    John Deere 135

    Default Starter Fuse

    I have a John Deere LT 135.
    Run well for 3 or four seasons. Now has 125 hours running time.

    There is a 20 amp fuse in the wire between the battery and the starter relay.
    I believe this simply supplies power to the relay which operates to connect the battery to the starter motor.

    When I start the engine this fuse deals with the current just fine. I.e. the engine starts as expected.
    The machine runs just fine for as long as I need to cut grass.

    Sometime between when I start it and when I shut it off this fuse blows.

    Next time I try to start this fuse has blown.

    Where should I look to resolve this problem.

    Thanks, Steve Brockhouse

  2. #2
    Silver Member mcgill72143's Avatar
    Join Date
    Aug 2010
    2013 John Deere 3320 Cab

    Default Re: Starter Fuse

    sounds like it could be in the key switch....maybe bad contacts in the switch causing a short....
    2013 John Deere 3320 cab, 300CX loader, 72" Auto connect mower, Frontier bush hog, Imatch, and more

  3. #3
    New Member
    Join Date
    May 2011
    John Deere 135

    Default Re: Starter Fuse

    Good idea.
    I'll give it a try.
    Thanks, Steve.

  4. #4
    New Member
    Join Date
    May 2011
    John Deere 135

    Default Re: Starter Fuse

    I removed the connector and cleaned the terminal posts.
    There was an indication of a few grass clipping and maybe a spidy web or two but nothing that looked as if it would cause a short.

    Put it back together.

    Problem appears to be cleared.

    Whether it was something I did or whether the Deere Gods are smiling at me for having restarted the engine the required number of times this season I cannot tell:.

    Maybe it was just tired fuses.

    Anyway, I was able to start and stop it a number of times this aft.

    Thanks for your input and help.

    Steve Brockhouse

    Let's hope it keeps going all summer.

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