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  1. #1
    New Member
    Join Date
    Jan 2013
    Posts
    6
    Location
    Moosehorn, Manitoba
    Tractor
    2011 JD 5105M

    Default 2011 jd 5105m differential lock

    how do you know when the diff lock is on , is there a dash light, i dont think mines working because it isnt hard to turn when i think i have it engaged ???

    anyone let me know

  2. #2
    Elite Member AKfish's Avatar
    Join Date
    Oct 2004
    Posts
    4,986
    Location
    Kasilof, Alaska
    Tractor
    JD 5075M; JD 110 TLB; Ford Ferguson 9N: JD X300R

    Default Re: 2011 jd 5105m differential lock

    All the M's have an electro-hydraulic differential lock - except possibly the 65M. I seem to recall that the EH 3pt hitch was not available on the 65M.. Nevertheless, I believe you should see an amber colored symbol in the instrument cluster when the floor button is engaged.

    AKfish
    "Most people want to live on top of the mountain, but all the happiness and growth occurs while you're climbing it."

  3. #3
    Elite Member AKfish's Avatar
    Join Date
    Oct 2004
    Posts
    4,986
    Location
    Kasilof, Alaska
    Tractor
    JD 5075M; JD 110 TLB; Ford Ferguson 9N: JD X300R

    Default Re: 2011 jd 5105m differential lock

    Quote Originally Posted by AKfish View Post
    All the M's have an electro-hydraulic differential lock - except possibly the 65M. I seem to recall that the EH 3pt hitch was not available on the 65M.. Nevertheless, I believe you should see an amber colored symbol in the instrument cluster when the floor button is engaged.

    AKfish
    Well... I plowed snow tonight for about 4 hours. Used the differential lock - stepped on that dimmer switch - and no light. The wheels were spinning on the snow and ice - both at once! But, no light or any indicator.

    Gave you bad info -- have to look in the Owner's Manual.

    AKfish
    "Most people want to live on top of the mountain, but all the happiness and growth occurs while you're climbing it."

  4. #4
    Elite Member
    Join Date
    Mar 2009
    Posts
    2,625
    Location
    Lee, IL
    Tractor
    John Deere 1070

    Default Re: 2011 jd 5105m differential lock

    It should be very obvious that it is working when you steer, unless maybe you are on a sheet of ice with a puddle of oil over it. My guess is that if you don't think it's working, it probably isn't. Sorry I can't provide you with help troubleshooting. I am not familiar with the electronics of the new tractors off the top of my head. My tractor is still almost exclusively mechanical.

  5. #5
    Silver Member bigblock's Avatar
    Join Date
    Jul 2003
    Posts
    158
    Location
    SW Georgia
    Tractor
    JD 5105M

    Default Re: 2011 jd 5105m differential lock

    I couldn't find anything in the manual about an indicator light. I guess if both rear tires spin you're in. I did see something about tapping one brake after you're out to make sure that it unlocked.

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