My recommendations as a fellow automatic car are:
1. Watch the early wiring videos as they show some Automatic transmission particulars
2. read theough BAR-AIR's build up as he shows most of the connector wire diagrams to check against
3. Label everything to understand what it is used for to help guide whether to cut or not.
4. Get a big box of gloves as it is sticky especially in the beginning. as the weeks went by, it got less so (or got used to it).
5. I got some fancy $12/roll Tesa brand tape that is more like a adhesive cloth ribbon to wrap up so I will not have to deal with another sticky mess later if I have to retrofit or correct anything. I used 3.2 rolls of tape but only bought 3 rolls of the Tesa.
Good luck!
Joe