Posted by Dell (WA) on August 24, 2014 at 14:12:48 from (126.96.36.199):
In Reply to: 9N tractor posted by kendall lee on August 24, 2014 at 13:31:04:
kendall........would you believe the "infamous ballast resistor" is supposed to gitt HOT???....burnie-burnie
ALL 4-nipple square can coils need the ballast resistor. When Ford changed to the roundcan coil on the 1950 8N with 5-nipple sidemount dizzy, you no longer needed the ballast resistor. You can count nipples, can't you?
Surprizingly enuff, the ballast resistor hardly ever wears out...but...careless owners leaving the ignition switch on will melt the internal insulation tar and the squarecan coil goes BAD.
The infamous ballast resistor is just like yer household electric lite bulb. Can you tell when yer lite bulb is BAD? Ballast resistor is just the same way. It don't heat/lite up, its BAD. Isn't that amazing???
You claim you have "no fire" at the top of the squarecan coil. Would it surprize you to learn that there is only a straight wire between the coil post and the ballast resistor? Since you claim you have no fire at the ballast resistor yet the ballast resistor gitts HOT, you have a SHORT beween the squarecan coil and the ballast resistor.
First thing I'd due, is replace the 14ga stranded wire between the top of the squarecan coil and the ballast resistor......electrician Dell
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