Thread: HEI Problems
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Old 08-20-2015, 01:15 AM   #13
franken
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Join Date: Jun 2013
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Posts: 3,151
Re: HEI Problems

The tach output on the distributor is just that--an output. It means little as a test.
You need to check the 12V input to power the HEI.
If the engine cranks, you most likely don't have a ground problem.
So assuming 12V in, and no spark, best guess w/o pulling the cap is a bad module. Maybe the coil, but that's rare.
Simply ordering and shotgunning parts is a great way to waste money, and not much more. For some reason, people choose the most expensive part that's hardest to replace to swap for no reason. What did you choose?
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