1993 Isuzu Rodeo 3.2 mileage: 131,000. While driving today the fuel pump fuse blew. I replaced it and went on my way. Got in later and after a few seconds of running the engine quit. This time there was no bad fuse and the relay checks. No trigger voltage to fuel pump relay, though. Even supplying current to fuel pump with jumper, no start. Trigger comes directly from ECM. ECM fuse and relay are fine. Bad ECM? Auto cut off for wrecks. Help.