Mopar electronic ignition brain twister…absolutely stumped with this problem

Long time reader, first time posting. I am getting to the point where I am feeling clueless on my project and desperately need some ideas/advice.
The quick backstory:
I am working on a bone stock 1989 Chrysler Fifth Avenue with a 318 which back in March started suffering ignition problems. The spark was intermittently falling out and long story short I got pissed off when the first reman spark control module I bought was no good out of the box, and the second one actually made the car run...

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Author: grandpas_car