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Resistors were used to limit current thru the coil primary ckt presumably to reduce ignition point pitting. Seems they couldn't use fine enough wire in the coil to do the job as maybe the coil would get too hot. This way the heat is outside where it can be dissipated more readily. When 12 volt ignitions first came out, some folks used 6v coils and dropped the other 6v across a resistor; very inefficient but did the trick of limiting current for the points, and keeping the voltage/current relationship in the coil to 6v. Then came electronic ignitions which used a transistor (solid state device) to switch the coil current rather than those nasty points. So, the resistor helped define the max current thru the transistor so you wouldn't wipe it out. What you are telling me is that your coil has adequate current limiting internally (probably due to smaller wire) and no external resistance is necessary. If you have one, take it out or short around it. If you want to know what you are looking for it is usually a white ceramic looking hootus, bracket mounted to the sheetmetal somewhere (under the dash probably) with 2 vertical terminals that "look scorched" measuring around .5 to 1" square by about 2" long. my2c txblu
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