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  1. #11
    Platinum Member
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    Feb 2011
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    536
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    Parish NY
    Tractor
    555DTC Farmall 200

    Default Re: mf135 wont start

    Check for spark?

  2. #12
    New Member
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    Mar 2013
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    Location
    Reva, va
    Tractor
    Mf 135

    Default Re: mf135 wont start

    no spark

    with voltmeter the batt is 12.6 drops to 12.06 w key on
    coil 11.4 w key on

    put in new neutral safety switch

    any ideas/ i got nothing when key turned

    replaced the coil the wire to the distributor very loose have new set of plug wires on order.

  3. #13
    Epic Contributor Soundguy's Avatar
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    Mar 2002
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    Central florida
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: mf135 wont start

    hotwire it and retest.
    souNdguy

    sent from my NOKIA LUMIA

  4. #14
    New Member
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    Mar 2013
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    Reva, va
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    Mf 135

    Default Re: mf135 wont start

    Quote Originally Posted by Soundguy View Post
    hotwire it and retest.
    thanks Soundguy
    pretend for a minute I am a novice (I am) and have no idea as to how to proceed with what you are suggesting?

    could you be so kind as to describe the procedure? thanks

  5. #15
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
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    47,871
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: mf135 wont start

    lets break it down like this.

    on a spark ignition.

    you have the battery, a key switch, maybee a resistor and a coil.

    there is plenty of stuff betweent he battery and coil that can have bad connections, loose wires, corrosion.. etc.

    a hot wire bypasses all that.

    jump from the ungrounded post of the battery to the primary of the ignition coil.

    only do this with breaker contact based systems mind you.
    souNdguy

    sent from my NOKIA LUMIA

  6. #16
    New Member
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    Mar 2013
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    Location
    Reva, va
    Tractor
    Mf 135

    Default Re: mf135 wont start

    What will I learn? I already know i have power
    To the coil? You mentioned retest? You want me
    To then see what power is? Where?

    Don't mean to be dense- ???

    Thanks

  7. #17
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    47,871
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: mf135 wont start

    never mind.

    too hard to argue on a phone.

    you don't want to do it. don't do it.

    see ya
    souNdguy

    sent from my NOKIA LUMIA

  8. #18
    New Member
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    Mar 2013
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    Location
    Reva, va
    Tractor
    Mf 135

    Default Re: mf135 wont start

    Ok. Thanks anyway. Did not mean to argue
    By asking questions. I just did not understand
    Your posts intent.

  9. #19
    Platinum Member
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    Feb 2011
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    536
    Location
    Parish NY
    Tractor
    555DTC Farmall 200

    Default Re: mf135 wont start

    Did you ever check cranking voltage at coil??? You mentioned a few posts up you turned the key and nothing. Does that mean no power???? As SG said do the hot wire test. Even though you have 12 volts at the coil what is happen to it after running through the switch, wires , connections etc. Maybe loses amperage enough to lose spark. Probably a bad coil, condenser or points. If you have not recently replaced the P & C I would start there as tuning it up is not a bad thing.

  10. #20
    New Member
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    Mar 2013
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    Location
    Reva, va
    Tractor
    Mf 135

    Default Re: mf135 wont start

    Quote Originally Posted by Clint S View Post
    Did you ever check cranking voltage at coil??? You mentioned a few posts up you turned the key and nothing. Does that mean no power???? As SG said do the hot wire test. Even though you have 12 volts at the coil what is happen to it after running through the switch, wires , connections etc. Maybe loses amperage enough to lose spark. Probably a bad coil, condenser or points. If you have not recently replaced the P & C I would start there as tuning it up is not a bad thing.
    thanks Clint

    i installed a new coil, new distributor cap,rotor button and points

    the distributor wire from the coil is lose, I have new plug wires on order

    i also installed a new safety neutral switch and cleaned up ground connections and repaired all frayed wires I found. im not assuming i found them all.
    when the key is turned to the start position there is only a click sound. the battery drops from 12.6 to 12.06 and the coil reads around 11.4.

    the starter wires are hot all the time...is that right?

    i tried to pull start the tractor...and it would not attempt to fire up. am i correct in assuming that rules out the starter?

    thanks for your response by the way. I will attempt the hot wire test.

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