One more thing. I was going to buy a CIC Retrofit from a guy on eBay, but he walked me through diagnosing my system instead. I offered to pay him for his time, but he asked if I'd just share his kit instead.
So here's the kit I was going to buy:
https://www.ebay.com/itm/264501019873 (No pics, but said he would text them. That's the only sketchy part ha!). He's been very responsive. Usually replies within minutes.
He'll even install it for you if you want to drive to NY.