have I done this correct using ae38 from a 2007tahoe, I added a and t42 wih operating system (24231674 from a VZ commodore auto 6 cyl) I changed the operating system of the t42 to a 4l80e file to 24239927, by licencing a file that had a 4l80e did a write entire, then re write entire the ecu using the original tune is there any thing else that I need to do to make it work? I hope the attachment uploads?
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