[Farmall] Coil On Super M

[Mike Sloane]

I would have to guess that your resistor is either the wrong one or is 
defective. All ballast resistors are not the same. With the proper 
resistor (at least 3-5 ohms), you should see about 6 volts at the coil, 
not 12. By the way, the resistor should installed in a spot that is 
relatively cool and between the ignition switch and the coil.

Mike

On 6/3/2010 8:21 AM, DTerry3455 at aol.com wrote:
> What would cause a tractor to continue to burn up coil's. Has burnt up  two
> in the last month,running a resistor with them, have twelve volts going to
> resistor and twelve going to distributor on the negative side to  the coil
> coming from resistor which is new, any help would be  appreciated.
>
> Thanks
> Buddy
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