OK, Ok, ok...... Next time I have nothing to do, I'll set up a little test. Your advice re: the LIRR sounds very good to me - if I ever have to go back to Lon Giland, I'll keep it in mind! Dick Benjamin ----- Original Message ----- From: Rob P <fristpenny@xxxxxxxxxxx> > Dick, If there is no > coolant passing the sensor it doesn't set off the idiot light avoid the Long Island > Railroad @ 4 am on a Sunday