This might help too. These guys have the 4L60E to 4L80E wiring harness adapter. The web page is LONG but its on there.
4L60E Performance Transmissions from PATC
This might help too. These guys have the 4L60E to 4L80E wiring harness adapter. The web page is LONG but its on there.
4L60E Performance Transmissions from PATC
~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~