Thread: Burning out Chevy HEI Ignition modules

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Check the alternator output. Too many volts will fry 'em quick.

Originally Posted by R Pope

Check the alternator output. Too many volts will fry 'em quick.

Its putting out about 16volts acorrding to my volt guage, I think thats about where the out put sould be, or do you think it should be closer to 14? And when you measure it are you measuring at the altenator, it should be the same. Thanks for all your inputs to help me get to the bottom of this problem. Also what about the brownish film inside the disturator cap. is that a sign of arking or too high voltage? Steve