I found a cheap way to do the Vacuum disconnect for Jeeps. Should be about the same for our Dodge.
http://home.earthlink.net/~stevenschreiber/cabledis.htm
http://www.jeepsunlimited.com/forums/showthread.php?s=&threadid=390624
http://home.earthlink.net/~stevenschreiber/cabledis.htm
http://www.jeepsunlimited.com/forums/showthread.php?s=&threadid=390624