Hei conversion troubleshooting

Garrett Ellison said

It's probably the ignition module. The real problem is that it's almost impossible to avoid some kind of Chinese manufacturing somewhere along the way. But since your going HEI anyway, I have read a lot of good things about these units. I have a friend that uses them on his conversions, and has not had one go bad yet.
Davis Unified Ignition Dyna-Modules 000222

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Reading the description for that ignition module made me realize I did not continue the 12gua wire to the module, just to the coil. There's still an 18 wire going from coil to module. Probably nothing... but I might as well rule it out. I have another LX-301 module that I will try out tomorrow. Have to pull dizzy since its mounted underneath. I'm over this project for tonight. I guess i could take my modules to an auto parts store and have them tested.