Thanks for all of the help. It turns out the sensor in the radiator was the culprit. -- \\""""// (0 0) +-------oOO---(_)------------------------+ | Ron Riddle (o) (518) 893-0782 | | (f) (518) 893-0783 | | rriddle@riddleware.com | | http://ftp.riddleware.com/~rriddle | +-----------------------------OOo---------+ |__| |__| || || ooO Ooo