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Message: <blockquote data-quote="Mike10" data-source="post: 43489" data-attributes="member: 5461"><p>As long as your seat switch and seat belt switch are working properly the EIC should keep the engine running when the aux control is activated as long as the EIC is getting the power. Check the 15A fuse in the cab fuse panel. This fuse supplies power to the EIC using pins 23 and 24 in the instrument panel (EIC) connector. This fuse panel is by your head on the right side. There are two thumb screws securing the cover over the fuse block. Another possibliity is the 25A fuse in the engine compartment fuse panel. If this one blows power is not supplied to the run relay. Power from the run relay goes to the 15A fuse mentioned earlier. Looking at the wiring diagram I do not believe the diode would cause this problem since power goes through the diode to the fuel relay. Since your engine does run the fuel relay is being energized by the power going through the diode. The power coming from the EIC to keep the engine running when the aux control is used does not go through the diode. The wiring diagrams I am looking at contain a service/run switch and I am thinking all LS.B loaders had a service run switch. If I find a different diagram I will repost.</p></blockquote><p></p>