Search Results for ‘4l80e wiring 4bt’

I have 97 chevy 2500 with a 4l80e and a 4bt in place of 6.5 it came with. I just got it mounted and running but it is stuck in 2nd gear (4l80e safe mode). I find bunch of post on aftermarket controllers but none that make the 4bt work with what the truck has. the 4l80e must already be hoooked...