Yes, big job.

I don't have the program downloaded from the diesel computer, so I'll need to do that and check the TCC parameters. Thanks for letting me know there might be difference.

dave w

Excellent suggestion. If this was the original 1997 Suburban that I was converting to the '0411, I think Lextech diagrams would be used.

I've been thinking about some of the differences that...

Thank you very much! :thumbsup:

I've thought about the '0411. Not sure if the '0411 will be the final decision. I'm in the research phase for the 98 PCM.

dave w

I think I can segment copy paste from the files attached, and make this happen?

dave w

I'm helping with a 1998 K2500 Diesel to L31 5.7 Vortec Conversion. The donor vehicle for the engine, computer, and wiring harness was a 1997 Suburban. The challenge is the 1998 K2500 has a 4L80E,...