There have been some others looking for that info and never got a answer that I am aware of, sorry.
They look like this
http://www.justanswer.com/view_image.aspx?href=http%3a%2f%2fww2.justanswer.c om/uploads/supermechanic/2009-03-20_003912_Hummer.gif I found out though
Now if someone wants to step up and finally answer that question it would be great
