PM incoming!

https://www.eficonnection.com/

I have used these guys in the past. I also use there bench force flashing equipment.

I have bought some EFIConnection and Ballenger.

But for the easy button, if you arent using your rear o2 sensors for whatever reason, that gives you 8 pins with wires already in the engine bay you can repurpose.

Thanks to my 6L80 swap and a desire to do the TCM2650 integration cleanly and as perfect as possible, here we are reviving this thread to say that the part numbers @RB04Av posted are correct and are on their way to me from Mouser

:cheers: