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  1. #1
    Bronze Member
    Join Date
    Sep 2012
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    78
    Location
    Weatherford, TX
    Tractor
    '69 MF 135

    Default Couple MF 135 questions?

    I have 4 posts on my starter solenoid. What are they supposed to be?

    What electronics are needed for the motor if diesel? Doesn't seem to a single wire going to the motor.

    Running and alternator and getting 17.5+ volts to the battery when running. Is that going to cook the battery or tolerable?

    Where can you get replacement lights? I was getting that same reading (17.7v) to the lights but none of them work. I assume that was too much and burnt them up.

    Also there are 4 positions on the light switch, what are they?

  2. #2
    Elite Member The kid's Avatar
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    Apr 2012
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    3,840
    Location
    Tennessee Vols Country
    Tractor
    My tractor is an old M... F... and red too.

    Default Re: Couple MF 135 questions?

    Quote Originally Posted by scott123456789 View Post
    I have 4 posts on my starter solenoid. What are they supposed to be?

    What electronics are needed for the motor if diesel? Doesn't seem to a single wire going to the motor.

    Running and alternator and getting 17.5+ volts to the battery when running. Is that going to cook the battery or tolerable?

    Where can you get replacement lights? I was getting that same reading (17.7v) to the lights but none of them work. I assume that was too much and burnt them up.

    Also there are 4 positions on the light switch, what are they?
    Scott, here is a wiring diagram of a 135 Diesel. Mind you this diagram shows a generator. There may be four wires on your solenoid but not four terminals, one is actually the battery cable.

    Couple MF 135 questions?-135dieselwiring.jpg
    Retired and enjoying life with my kids and grandkids -robert
    "life is too short.. eat your cake first"
    My 1965 MF 135 Z145 Refurbish Project with Pics
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  3. #3
    Elite Member The kid's Avatar
    Join Date
    Apr 2012
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    3,840
    Location
    Tennessee Vols Country
    Tractor
    My tractor is an old M... F... and red too.

    Default Re: Couple MF 135 questions?

    This was posted my JJ in British Columbia, Canada last year on this site. This might help you even more.

    Couple MF 135 questions?-gentoaltconvdiesel-copy.jpg
    Retired and enjoying life with my kids and grandkids -robert
    "life is too short.. eat your cake first"
    My 1965 MF 135 Z145 Refurbish Project with Pics
    TrucksByNet.com .... .... It's about Trucks... The other TBN
    My Yamaha YFP350U Terrapro's Project The only ATV with a PTO
    About ME

  4. #4
    Bronze Member
    Join Date
    Sep 2012
    Posts
    78
    Location
    Weatherford, TX
    Tractor
    '69 MF 135

    Default Re: Couple MF 135 questions?



    I know the top is the positive from battery, the bottom is direct to the starter. I believe the "terminal" closer to the block is the key switch as it isnt hot while running but I couldn't test it while holding the volt meter on the starter.

    What am trying to figure out is what is the connection opposite the block for. It is hot, and unless I have a hidden short is directly linked to the battery terminal as somehow the 17 volts from the alternator is getting to the battery even though they are not directly linked. This very much could be my ignorance but are those to terminals supposed to be connected.

  5. #5
    Elite Member The kid's Avatar
    Join Date
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    Tennessee Vols Country
    Tractor
    My tractor is an old M... F... and red too.

    Default

    Quote Originally Posted by scott123456789

    I know the top is the positive from battery, the bottom is direct to the starter. I believe the "terminal" closer to the block is the key switch as it isnt hot while running but I couldn't test it while holding the volt meter on the starter.

    What am trying to figure out is what is the connection opposite the block for. It is hot, and unless I have a hidden short is directly linked to the battery terminal as somehow the 17 volts from the alternator is getting to the battery even though they are not directly linked. This very much could be my ignorance but are those to terminals supposed to be connected.
    one of those smaller terminals should be routed to your neutral safety switch, and from there to the run position on the ignition switch.
    Retired and enjoying life with my kids and grandkids -robert
    "life is too short.. eat your cake first"
    My 1965 MF 135 Z145 Refurbish Project with Pics
    TrucksByNet.com .... .... It's about Trucks... The other TBN
    My Yamaha YFP350U Terrapro's Project The only ATV with a PTO
    About ME

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