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REPLACE DISTRIBUTOR CAP AND ROTOR.AND PLUGS WIRES.IF GETTING NO SPARK TO PLUGS.CHECK SEE IF IGNITION COIL GETTING POWER.IF NOT CHECK IGNITION FUSE.IF POWER GOING TO COIL.FAULT EITHER COIL IS OPEN OR FAULT IN THE IGNITION MODULE IN THE DISTRIBUTOR.
yea you have no fuel and sound like a bad harness and the gm's are know for there fuel pump harness's! did you change it when you changed the pump? there is a lose connection somewhere in the fuel delivery system and it's pretty simply! i would check the fuel pump relay on the left hand side of the engine compartment and maybe even put power to the pump at the relay position "b" on the fuel pump relay harness and there should be a one pin connector to put power to also connected to the same position on the relay "b" the wire should be tan and white! good luck
MAKE SURE DISTRIBUTOR COIL IS GETTING POWER.IF NOT.CHECK IGNITION FUSE.IF FUSE IS GOOD AND COIL IS GETTING POWER.REMOVE COIL AND CHECK THE COIL PRIMARY RESISTANCE USING A DIGITAL VOLTMETER. IT SHOULD BE 0.1 OHM.SECONDARY RESISTANCE SHOULD BE 5000 TO 25000 OHMS..IF COIL PASS ITS THE IGNITION MODULE.IF COIL FAILS.COIL IS BAD.
More likely the fuel pump.........check for power to the pump on the gray wire at the fuel pump connector at the tank.(wires from the tank)You should see a prime cycle voltage as you turn the key on...if the key has been off 15 seconds. If you see a test light, light.......change the fuel pump. Tip....a lot of relays are the same in the relay center....switch the fuel pump relay for one of the (same) others to test it if needed.
Before you do this....sit in the car and turn on the key to run.....not start.......do you hear the pump do it's prime cycle? Total silence means.......in 99% of cases...a new fuel pump is needed. If you hear it.......no pump should be needed....look elsewhere first.
From the info you provided, it seems like it is not getting constant supply of fuel. I think that don't have a carburator. It has a TBI(Throttle Body Injector. You should hear a faint humming noise at the back coming from within the fuel tank when you turn the key on. Thats the fuel pump. Your fuel pump may have gone out.