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       #Post#: 85309--------------------------------------------------
       Ballast resister 
       By: Al Smith Date: June 30, 2019, 6:04 am
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       On certain older ignition systems on older stuff they still
       maintained a 6  volt  coil using a ballast  resister usually
       rated at 1.6 ohms to drop the voltage to about 6 or 7 volts
       going to the coil on a 12 volt system .What happens if you don't
       use a dropping resister is the points flash over causing
       misfires .
       I recently discovered this on my old Ferguson tractor when I
       installed new points over looking no resister .Just a lapse of
       memory on my part ,should have known that already .
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