os for segment swap

[Tody'shop]

I am trying to find an OS that will work with my pcm. I swapped a 2005 5.3 and computer into a 99 K3500 and kept the 4l80 and i been threw everything from 2004-2006 in the repository and the only os that was the same was from a 2005 crew cab GMC 2wd which is exactly what the engine and pcm came from. I have not liscensed the pcm yet because i wanted to make sure it would work. I have a ton of these old P59's i could try but this one was with the motor and didn't want to seperate if i didn't have too. the file is below if needed. The OS is 12606961.

Greggs 99 dulley with LS STOCK DO NOT WRITE!!!!!!!!!.hpt

[Tody'shop]

If noone has an OS i could use can i just copy and paste the 4l80 stuff?

[2xLS1]

No you have to have the 4L80 segments or use a custom harness that lets you run an 80 on 60 segments. PCM of North Carolina sells a harness that lets you do that.

[cardoctor27]

The Pcmofnc harness is very easy to use and works good.

[Tody'shop]

Thanks i was thinking that was gonna be my only option. I never get the easy ones.