2wd vehicle . Original bin attached

2004 vs 2005 may be the issue.

Wiring: used original engine harness and fuse box.
Connected engine harness to port C2 of fuse box. Connected positive power cable to battery and other end to...

I have DRW, 5.3engine, 4l60e trans

One other thing. Why would my ECM work perfectly in my friends 2004 Silverado and not on my engine?
Same engine, trans, etc. My donor vehicle was 2005 silverado.

I will down load and try the file you provided.
I have five more ECM's. All with different hardware numbers and OS.
If the current ECM does not respond with the bin you provided I will go...

I changed OS because I could not find a compatible XDF for it. UP seems above my knowledge level. I may take another look and see if I can use the program. However, does anyone see a problem with...

I attempted to use Universal Patcher and found the program difficult to navigate. I used TunerPro and found the program easy to use, especially since all I needed was to disable VATS. I downloaded...

I used Tunerpro to edit 12587603 bin file. Disabled VATS and uploaded the bin to my ECM (Hardware# 12589162). Bin 12587603 was not my original operating system for my ECM. I attempted to start my...

Hello all out there. I'm a new user and have enjoyed reading your posts.
I have a GM Squarebody (1982) truck. Looking to install 2005 Chevy Silverado 5.3 with 4l60e into my Squarebody truck.
I'm...