Not getting 12 volts to coil

Interesting you brought that up. There HAVE BEEN fake MSD counterfeit modules. If memory serves, they all had the same serial number

Counterfeit MSD 6AL boxes

Counterfeit MSD 6AL Ignitions | Consumer Alert

Counterfeit Product Alert: How To Identify A Real MSD 6AL Ignition VS A Fake - BangShift.com
Yes u are correct and I have noticed very poor quality buttons and boxes for sale the last 5 years !!!
I been horting up all the US stuff I can find to serve me and whoever I pass my stuff on to one day !!!
I have a nice US made collection of boxes and points to serve all my applications if u are ever out and find old engines and can obtain caps and buttons alot of times its older Made in USA stadard ignition products which sadly are made in China now.