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Recent content by agsnow

Yesterday's Tractor Forums
  1. A

    Ford 6640

    I am getting no PTO action after all electrical diagnosis. I have proper relay connections and 12+Volts on the pto manual pto switch. I have looked at the solenoid switch and a loose pressure switch connection was found but do no think it was interactive. the attachment location cannot be...
  2. A

    Ford 6640

    Someone posted years ago pics with an explanation with a jumper wire for PTO relay delete. I have run mine like this for years now and don't have or recall if the relay was working, obviously not. Anyway, I cannot seeme to get the jump connections replicated for manual control and with the PTO...
  3. A

    Ford 6640

    Alright, I will look again. And and no, my tach is not working when cold. Thanks.
  4. A

    Ford 6640

    Ok, I have open cab.... Thanks, Good to know. Do you know what fuse and relay that might be?
  5. A

    Ford 6640

    OK thank you ! .., the fuses ck ok; not familiar with PTO solenoid location or how to test at this point. Please offer any guidance about that test.
  6. A

    Ford 6640

    PTO trouble shooting advice please! I need to go to the hayfield now.
    • agsnow
    • Thread
    • Replies: 10
    • Forum: Ford
  7. A

    6640 hydraulic relief valve question

    I have the same tractor; Ford 6640. I was unaware there are two hydraulic pumps.. My pto is giving problem about activation. I cannot find any electrical fault. I am aware of the H pump on the block, where is there other??
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