<strong>Yahoo Message Number: 9068</strong>Ed,<br/><br/>Just to add one other thing Bob had said about the "Boost Solenoid". <br/>When you engage the "Boost Switch", and hear the solenoid closing, that does not mean there is a good contact. The bottom line is that if you have checked the oil pressure switch, the solenoid is most likely bad. The bad solenoid really shows when your batteries demand...