Here's what the manual says:
(info in the lower left corner of this page)

http://chevy.tocmp.com/shop/1948_51truck/51ctsm1201.htm

So, looks to me like it should be about in the same place as the 2-fuse set-up on the later AD's.

Last edited by waldo53; 04/05/2008 8:18 PM.