can someone tell me please what is the electric wire from no 1 injector to a plug and there is a white electric plug near that and dipstick, with a red wire and yellow that have been cut and joined to more wires that go to something near the ecu and yellow relays, sometimes does not start unless waggle wires pop up relay ign on, replace relay hear a buzzing and she fires, its a 1998 diesel

Photos pls.