Posted by John T on December 08, 2009 at 06:28:33 from (66.244.97.31):
In Reply to: 1952 Cub 12V posted by Kennebunksawmill on December 08, 2009 at 02:56:18:
Thats pretty typical of what most alternators produce, I see no alarm.
IFFFFFFF a coil is labeled "12 volts for use with (or requires) external ballast resistor" or something similar IT INDEED NEEDS an external series voltage dropping (12 to 6) ballast resistor to drop voltage and reduce coil current otherwise it can overheat plus the poinst burn up quickly. Its installed in series with the coil AFTER the ign switch but before and ahead of the coil
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