I have a 1996 GMC w / 4L60E looking to re-pin to 411 PCM. The 411 PCM is from a 2001 Chevrolet Astro Van with 4.3L and 4L60E. What are the steps I need to do when I start the re-programing process? The 411 PCM has an OS with 12202088, the credits for the 411 PCM has been purchased and benched tuned to disable the VATS. See attached for 0411 Astro van stock tune.
Any help would be appreciated.
Thanks for your help.