Thank You

edit, After printing this and looking, it appears this is for the 2003+ computer? Again, I don't know so am just trying to learn if this is a universal swap for the early red/blue and...

I've always just started with a 6L 4L80e file so I am curious about what all is involved with a swap too. Are there changes that have to be made to the harness as well? The way my health has been...