Try these sites out:

http://handbook.w116.org/matrix6.htm

The above is the facotry manual, from w116.org. The owner of the site is a member here.

http://imperialclub.com/Repair/Lit/Master/281/index.htm

System was also used in the Chrsyler Imperial. Another online manual.

__________________
'90 300SE 298k
-300K and it gets put into retirement.
'80 300D 255k Purchased new by family in 1980.

Had a:
1973 220 (gas)
1980 300SD
1992 400E