1993 Honda Civic Car shuts off after starting

My honda civic recently shut off on me while driving on the freeway. RPM's dropped to zero and I lost all power. The car fired up after 2 attempts and I was able to drive it home, 30 minute drive. After I shut it off it would not start again, engine would turn but would not fire up. I had the main relay resoldered and the car would fire up for a quick second then die. Almost as if it weren't getting any fuel. I then noticed that none of the cells on the dash would turn on when I turned the key to the ON position. After turning the key slightly toward the ON the cells on the dash turned on, the relay clicked once and I heard the fuel pump start. So I figured it was the ignition switch. I just swapped the ignition yesterday with the new one, all wires on the ignition switch connected exactly the same way as the old one. The car starts and revs to 1000 RPMS but then shuts off after about 2-3 seconds. So this is where I am at now. I am told it could be my distributor, ignition module, coil, idle control valve. I do get fuel from the pump and the fuel filter is not clogged and I have spark. Oh, one other thing. Right after I start the car and then it dies, if I leave the key on the start position after it dies, I hear a buzzing sound coming from around the intake? It doesn't go away until I turn the key to the off position. Please help.I need my car to go to work.