Thanks for that!
I also found a thread on LS1tech dotcom where someone was building LFX stand alone harnesses. NOTHING was mentioned about reprogramming. They did mention that it was only...

Searched "stand alone" and didn't find anything useful.

Has anyone successfully gotten one of these PCMs to run stand-alone?
I'm considering a swap into a different car, and would prefer not to...

Hi! It would appear that I registered here, once upon a time, since my login of choice still works.
With that said, it would appear that I have never posted - at least a search didn't turn up...