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Cub wiring

J

John Kelly

New User
I have a Cub Farmall , it has a solenoid on the starter and a key (twist) auto style starter switch. Probably been modified at some point.
My question is: How to wire the solenoid/starter.
It has 3 terminals, what goes to what?
 
If the three terminals you claim consisit of two big heavy honker battery cable sized, one of the big ones connects to the big battery cable with the other big one to the starter, and if it has one lil terminal thats the solenoid activation (S) terminal which wires to the START terminal on what I'm assuming is a key type turn to START switch. When the switch is in the START position that feeds hot voltage down to the solenoids activation terminal to engage the starter. If its that type it uses the frame as the ground return which gets the ground from the metal mount portion of the solenoid. Those are what I call Ford type solenoids.

If you have some other arrangement describe it n maybe we can figure it out. Most of the regular Ford type solenoids have two lil terminals being S and I and its still the S one that wires to the switch and you wouldnt need the I terminal unless you used a 6 volt coil with a ballast on a 12 volt tractor and wanted to use the start by pass for a hotter starting spark.

John T
 
That is a good start but here is a better description of the solenoid, two heavy terminals on either side with a small one in the middle.
It has a fourth terminal on the end which is connected by a copper bar to the starter, which I took to be a ground. When I got the tractor the battery cable was connected to the inside heavy terminal and a wire from the starter switch was connected to the outside (heavy terminal) one.
No wires existed from the volt reg so I do not know if one should go from the small terminal to the volt reg or switch ??? Stumped at this point.
This all may be the result of a person making due with what they could find.
 
I went back to the shop and made a sketch and got it right this time. The solenoid has two large terminals, one on either side with a smaller one in the middle. One of the large terminals is connected to a copper bar which is attached to the starter body.
 
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