I have a 1989 ford e 150 van 5.0 engine the van was running fine suddenly i went to back up it sputtered and died and woould not restart and a few min. later reattemped to restart and it did. now it will not start the noise from the fuel pressure to the injector when the key is turned to the on position is not being heard. and I can not locate the relay switch for the pumps. where do I look????????????????????tony a florida HELPPPPPPPPPPPPPPP