I have a 2005 Tahoe with a 5.3 needing replaced and a 4l60E I am purchasing a 2002 gmc with a 6.0 and 4l80E to swap the motor and tranny I need to know how hard it will be and what I will have to change to make this work. Heard the electrical is going to be the worst part but I'm not sure. Need help from someone who knows what they're talking about please comment!

 

I got the same Thing going on. Except mine is a 2000 to 1500 HD with a 6.0 same transmission go on in a 2005 Tahoe’s. I was wondering if you ever heard anything or completed this swap