colonel....Good luck with that, I know if anyone can make sense of it your the one to make it happen. I did a compare of his old rgu to the new one with compare it and there were so many changes the lines from old to new entries looked like a vortex map. I lost track 10 lines in. I posted a compare from your oem, to his original, (works -WMP) and the stock cab, in..
http://www.ppcgeeks.com/my-voicecomm...,start,30.html
I hope it helps some.