what if I was getting power to the distributor but no spark on 1996 Acura Integra

I have changed the distributor, new coil.I've changed the ECU and main relay fuses still the same thing I have put the distributor ,new coil ,ecu ,on a friend Integra and it starts right up I have change the wiring harness what else can it be

Asked by for the 1996 Acura Integra
2 answers
Do you know if the fuel pump is running. Could be the main relay. Main relay powers ECU.
do you have spark at the spark plugs?