If you open your hood, sitting on top of the engine may ba a plastic cowl with the 7.3 emblem on it. Remove it. Located directly behind the fuel filter housing on top of the engine there is a relay that has two large lugs and two small lugs. Use a test light to see if you have power on both of the large lugs when you turn the key on. If you don't, make sure you have power on one of the small lugs and ground on the other lug. If you have power on the small lug and not on both large lugs, replace the relay. If you have all powers and grounds, check the connectors at the valve cover gaskets. Post back your findings and we'll go from there.
Wednesday, January 30th, 2008 AT 10:11 PM