It's probably been 5 years or more since I've had to post a question on a forum, so hopefully I can get some help. I just finished up my LY6 4l80e swap in my 2005 1500. I'm trying to use the relay method with a 4l60e segment to control the trans. No matter where the gear selector is 1-D, it's stuck in 4th gear. Reverse works fine. If I manually select a gear in HP Tuners, everything is backwards. 4th is 1st, 3rd is 2nd, 2nd is 3rd and 1st is 4th. But I can go down the road and select each gear in HP Tuners and it shifts fine. I've attached the instructions that I used.

 

get it figured out? some guys were plugging in the round circle plug upside down. check it.