Hi Guys,
Posting for my dad as hes wiring up a trans swap.
Details: 1997 Tahoe black box originally 4L60 now with 4L80
Questions
1) Trans swap harness has 2 extra wires for added VSS...what pins do these go to in 1997 Tahoe PCM?
2) Whats the best path to reflash the black box to a 4L80 program?
Thanks!