Alternatives to replace Key switch only instead of module assembly
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Thread: Alternatives to replace Key switch only instead of module assembly

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    Talking Alternatives to replace Key switch only instead of module assembly

    I have a 1999 425 s/n>700001. The key switch is starting to give the signs of failing so replacement is on the horizon. Replacement p/n AM128878 is an assembly and includes the entire module circuit board. I've never had any electrical problems (except, of course, the time delay module) so I'd rather just replace the switch but can't find "just the switch".
    Any ideas?
    Anyone willing to sell me their faulty module assembly?

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    bloodrunsgreen's Avatar
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    Could you give more info about the key switch failing. Most times it is the module that is attached that fails.

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    If I attempt to crank to start, nothing.... Turning key to home position, then back to crank and it usually starts (or repeating this a few times)

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    bloodrunsgreen's Avatar
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    That sounds like the board problem!

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    Here is what I found when I needed to replace my key switch.
    Attached Files Attached Files

  8. The Following 2 Users Say Thank You to ExperimentalMechanic For This Useful Post:

    johnH123 (11-06-2017), Zebrafive (11-06-2017)

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    Quote Originally Posted by ExperimentalMechanic View Post
    Here is what I found when I needed to replace my key switch.
    I guess that the morel to the story is. Don't just jam any old thing into your slot. lol
    2014 X540 with HDAP tires, 54" deck, brush guard, arm rests and cargo bag.
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    Bulitt's Avatar
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    Check Ebay- 109$ new, and 40$ used from what I'm seeing.
    Zebrafive likes this.
    Bob - 2011 2520

    2520 Mods - http://www.greentractortalk.com/foru...2520-mods.html
    Posted for general info only. Not suggesting you alter your tractor based upon my feeble minded posts. Do so at your own risk. Maintenance and mods should be performed by a JD Dealer, or refer to your owners and maintenance manuals for proper procedures.


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    GUS FINK's Avatar
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    Wow

    Quote Originally Posted by ExperimentalMechanic View Post
    Here is what I found when I needed to replace my key switch.
    not sure I understand the wiring of switch between the switch with no wires to the wired switch my HAT is off to your knowledge

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    Zebrafive's Avatar
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    Quote Originally Posted by ChiChooch44 View Post
    If I attempt to crank to start, nothing.... Turning key to home position, then back to crank and it usually starts (or repeating this a few times)
    It looks like you have nothing to lose taking the ignition switch apart and maybe cleaning internal contacts. See post 5 ExperimentalMechanic shows it all apart.

    Quote Originally Posted by ExperimentalMechanic View Post
    Here is what I found when I needed to replace my key switch.
    Thanks for posting, this should help someone
    J
    John Deere 2030 w/245SL Loader
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    Ford F250 4x4 bought new 1978

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