i have an 88 jeep cherokee pioneer 4.0, 231 transfer case with command-trac axel shift the vacume lines are all gone and chiltons does not give a diagram for them hope someone can help.

See if this will help:

http://www.dua1.com/AdminFiles/Jeep/88/88_Transfer_case_command_trac_with_vacuum.pdf

thats what i was looking for thanx for the help hope to return the favor someday.