Check this out. These guys are great. I'm Yulost1 in this forum. I was on the forum asking some tech questions about my P.O.S. C4, and stumbled on this gem.
http://forums.corvetteforum.com/showthread.php?p=1551216510#post1551216510
http://forums.corvetteforum.com/showthread.php?p=1551216510#post1551216510