Allpar.com has the answer at the bottom of
http://www.allpar.com/mopar/383.html
It's a great source for Mopar material, of course. Surprisingly, the
ImperialClub.com site is a great source for original tech material
applying to all Chrysler products - complete service manuals and many
of the Master Service Technicians Conference booklets. See
http://imperialclub.com/Articles/literature.htm