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ballast resistor on 1954 super M-TA tractor

M

Mike Purpura

New User
I have the above mentioned tractor. There is a ballast resistor clamped to the coil. My manual does not show a resistor. I was driving it and the engine just stopped, which is what happens when a ballast resistor goes. Does someone know the specs on the resistor where I can get a replacement? I live north of Edmonton, Alberta.
 
To be correct, the resistor needs to be matched to the resistance of the primary windings in the coil. Go to NAPA and ask for a Ford, Chevy, or Chrysler Coil(take your pick) and buy the correct resistor to go with it.
 
Before replacing it use a test light to see if there is power on both sides of the resistor.
The tractor has probably been converted to 12v. which (if it has the original coil, or a 6v replacement, or a 12v coil that needs the resistor, it must be there. Almost any mid 60s chevy or chrysler ballast resistor will work. By passing the resistor for a minute will not hurt anything.
Check the points and set them to .020" when they are open by the bump of the distributor cam. JimN
 
Mike: Heave the ballast resistor and the coil. Call at the CaseIH dealer and get yourself a proper 12 volt coil. I've been through that many years ago, and those Mickey Mouse jobs are just a waste of time and money.
 
If you can't get the drooling idiot behind the parts counter at the auto parts store to get you a ballast resistor or 12V coil, Tractor Supply stocks both ballast resistors and coils.

Make sure the 12V coil is marked that it does NOT require a ballast resistor. Some 12V coils still require the ballast resistor.
 
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