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Can anyone help with 3630 datatronic electric issues having a nightmare

Discussion in 'Classic Machinery' started by Daveys3630, Oct 2, 2018.

  1. Daveys3630

    Daveys3630 New Member

    Datatronic 3630 1989 no PTO no hi low no 4wd checked box under cab I have power here check linkage solenoid I have power here Also. Drove it forward ten foot and PTO +4wd came to life but still no hi lo and the rear end lifts no problem on button inside and out spent hours reading on here and hours fiddling with it need some help I'm at my wit's end lol
     
  2. Netherfield

    Netherfield Member

    Location:
    West Yorkshire
  3. Might be a few things, when last was alternator changed?
    If they aren't high 13's or over 14 volts that can mess with them although link arms usually stop first.
    I would think most likely the box is faulty but not sure how you would check other than send to Kings?
    You will be able to test at the solenoid to see if the high/low is getting a pulse and work back.
     
    Daveys3630 likes this.
  4. Jenks6910

    Jenks6910 Member

    Location:
    West Wales
    If every other function is working just no hi/low check your neutral switch isn’t faulty on the right hand side of the transmission, if it can’t see when your in neutral it will not allow it to change hi/low
     
    mf 3095 and Daveys3630 like this.
  5. MF-ANDY

    MF-ANDY Member

    Location:
    s.e cambs
    under the autotronic box, look for a yellow and black wire in a plug. they come direct from the battery via a fuse near the air filter. check for 12v at the yellow and a good earth at the black. check with a bulb not a multimeter i use a worklight bulb. if all is well there cut the brading of the harness from that plug up to the autotronic box. the single yellow wire splits in here and can corode. possibly do away with the plug and wire direct if there is any sign of corrosion. pull the plugs out of the autotronic box. clean and refit them.
     
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  6. Daveys3630

    Daveys3630 New Member

    Not had a great deal of time today but fired her up to move it and nothing works again now. new battery of Mrs car and will do alternator voltage test tomorro. I Have been using test light to check not multimeter using washer bottle bracket as my earth
    Going to get some electrical cleaner tomorrow and go crazy with it cab earth seems good also looks new Ish.
     
    Mursal likes this.
  7. Daveys3630

    Daveys3630 New Member

    Also today noticed 4wd light stays on no matter what I do gear I have power going in my data box or at the plug. Will give it a good spray out tomorrow and cut some mesh harness back to investigate some more.
     
  8. Daveys3630

    Daveys3630 New Member

  9. Aircon cab as well.
     
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  10. Daveys3630

    Daveys3630 New Member

    Yeah another issue but I'm going to have it working everything looks to be there no belts on compressor though. Cabs filthy smashed rear window + door glasses and was running a dryer then left outside managed to muck most of it out just want it sound them I will start to make it pretty and comfortable I have been using alot worse so this will be a huge luxury
     
    Mursal likes this.
  11. Jenks6910

    Jenks6910 Member

    Location:
    West Wales
    Check both fuses above battery for corrosion, check the contact wire from those fuses at the battery for a good contact. Also check your ignition barrel is pushing out 12V on ignition live as a faulty ignition barrel will cause problems with the autotronic controller. And various functions.
     
    Daveys3630 likes this.
  12. masseybreaker

    masseybreaker Member

    Location:
    wakefield
    does your low pressure hyd oil light go out when the tractor is running ?
     
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  13. MF-ANDY

    MF-ANDY Member

    Location:
    s.e cambs
    Or does it even come on when you push the clutch down before you start the engine?
     
    Daveys3630 likes this.
  14. Daveys3630

    Daveys3630 New Member

    It doesn't go out but plenty oil in back end
     
  15. Daveys3630

    Daveys3630 New Member

    Will take pics and try do video in morning
     
  16. The tractor won't let its services work if the light doesn't go out.
    Start at the start with problems.
     
  17. MF-ANDY

    MF-ANDY Member

    Location:
    s.e cambs
    is this a dynashift or speed shift tractor? if it is the latter does the speedshift change.( you should be able to hear the engine note change). if the speed shift works then you have pressure as this service isnt controlled by the autotronic box so try a new pressure switch. this will be a modified one and will come with various adapters and connections for different models.
     
    Daveys3630 likes this.
  18. Daveys3630

    Daveys3630 New Member

    Sorry how do I tell the difference
     
  19. MF-ANDY

    MF-ANDY Member

    Location:
    s.e cambs
    With speedshift you can split each gear on the move twice and you will have a green button with a running man on it next to the 4wd and diff lock button or it could be on the main gear lever. With dynashift you can split each gear on the move 4 times and you will have a 4 position lever to the left of the steering column and ABCD lights in the dashboard.
     

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