Figured out why my magneto won't spark

KerryM

Member
I bought a Farmall B not running. Seems there were many reasons why it wouldn't run. Ended up acquiring a couple parts tractors along the way. Anyway, during all this, I found the mag had no spark. I shined up the points and set the gap, still nothing. I took the distributor off of one of the other tractors, installed it, and got it running.
I wanted to understand that mag. Read up on it. Went to the mag seminar at the winter convention. Decided to look at the coil (which I hadn't even taken the cover off yet) and discovered....there wasn't one. Seems someone removed it, leaving a big empty space in there.
I'd say odds are pretty good thats why I have no spark!
 
Sometimes the simplest things are the hardest to diagnose. Especially when you aren't familiar with the system and a part is missing. You just don't realize it. Glad you got it figured out. I have a couple DUH moments working on my tractors... For instance they have a really hard time starting when there is no gas...
 
The landlord had trouble getting one of his old JD 2-cyl units started one time. Couldn't figure it out. He'd put water in the gas tank.
 

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