TB3 Device:
GC Titan Ridge
https://www.amazon.it/gp/product/B07K6PW4M1/
Eprom programmer:
https://www.amazon.it/gp/product/B07SNTL5V6/
Digital Multimeter:
https://www.amazon.it/gp/product/B0872RY4CC/
in this thread we can talk about progress with this latest important goal to achieve.
useful link:
https://github.com/ameyrupji/thunderbolt-macpro-5-1/blob/master/GC-TitanRidge.md
guide to flashing programming from CaseySJ
DISCLAIMER:
this is a very risky procedure also for experienced users.
TAKE NOTE OF THIS.
DO AT YOUR OWN RISK