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  1. #1
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    john deere 1986 450E dozer

    Default Slow crank on J.D. 450E dozer

    I have a 1986 J.D. 450E dozer. When trying to charge the batteries do I put the leads on the same battery or do I put the ground on one and positive on the other? If this doesn't fix problem any suggestions other than cleaning all positive and negative contact points. Please help. thanks
    Last edited by paintedwerewolf; 07-20-2014 at 12:18 PM.

  2. #2
    Elite Member Zebrafive's Avatar
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    John Deere 2030, John Deere 6415

    Default Re: Slow crank on J.D. 450E dozer

    I assume it's negative ground. If so, I would ground to a good clean ground, preferably on the engine and positive to the battery positive to jump start.
    John Deere 2030 JD 245SL Loader
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  3. #3
    Super Member Tx Jim's Avatar
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    JD 4255/Kubota M7040 HDC

    Default Re: Slow crank on J.D. 450E dozer

    Both charger leads(+ to + & - to -) on same battery will charge both batteries.

  4. #4
    Super Member George2615's Avatar
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    LS XR3037HC

    Default Re: Slow crank on J.D. 450E dozer

    Are the batteries connected in series to provide 24V to the dozer or are they wired in parallel. If wired in series (pos of one battery connects to neg of second battery), charge each battery separately for a few hours each then try to crank over. If wired in parallel (pos to pos & neg to neg) then charging one will charge both.
    Also, how old are the batteries? Maybe one has a dead cell.
    Do you have 2 more batteries you can swap in to test?

  5. #5
    New Member
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    john deere 1986 450E dozer

    Default Re: Slow crank on J.D. 450E dozer

    I have two batteries wired positive to positive and both grounds are body grounded.

  6. #6
    Super Member George2615's Avatar
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    Default Re: Slow crank on J.D. 450E dozer

    Quote Originally Posted by paintedwerewolf View Post
    I have two batteries wired positive to positive and both grounds are body grounded.
    Then connecting the battery charger to one will charge both.

  7. #7
    Elite Member
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    North of Mtl,Que,Can (Ste Adele)
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    MT180D

    Default Re: Slow crank on J.D. 450E dozer

    Not sure but is the JD450E not a 24 volt system? if so that would explain why the slow starter action.
    Most equipment in that category is 24 volts.

  8. #8
    Platinum Member
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    1959 MF-65 sold, 2007 Jinma 554 diesel.

    Default Re: Slow crank on J.D. 450E dozer

    I have an older JD450 and it is 12volts.
    2007 Jinma 554 tractor, FEL, 8ft Rear Blade, 73" Snowblower, 2002 3500 Dodge Ram 4x4, 1986 F250 4x4 SC 6.9 turboed diesel.

  9. #9
    Super Member Tx Jim's Avatar
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    Default Re: Slow crank on J.D. 450E dozer

    Quote Originally Posted by PILOON View Post
    Not sure but is the JD450E not a 24 volt system? if so that would explain why the slow starter action.
    Most equipment in that category is 24 volts.
    450E is 12 volts
    TY6702 STARTER MOTOR 1 (12-VOLT) (REMANUFACTURED) (DELCO-REMY) (INCLUDES SOLENOID COVER KIT)

  10. #10
    Platinum Member
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    Kingsville MO
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    John Deere 650, Ford 8n, John Deere Model 70 Kubota BX25D

    Default Re: Slow crank on J.D. 450E dozer

    One bad battery and one good battery....the bad one will just kill you. Test each battery on its own. Could be you have just one that has given up the ghost. M1009's are the same kind of deal....or I guess I should say where.

    Same goes with cables everywhere....if one is iffy you have the same kind of issues.

    Personally I would charge the batteries one at a time, or if you have two chargers that is better. I could charge them with nothing connected to them if possible.

    If all that is ok, you are to what you talked about, cleaning grounds and connections, then checking the starter and such. Last ditch would be a direct feed to the starter with a remote switch that would take as much out of the question as possible.

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