240sx electrical problem

[300ZX90NA]

ok well im still getting no spark and no fuel checked fuel pump the fuel pump works checked coil and it works checked distributor and it works we checked the wiring and everything is in place and working im stumped with this car also changed the ecu and still doing the same thing it cranks over but no spark and no fuel what else should i look for its a 93 240sx im frustrated with this car cuz i cant figure out what could be wrong i would appreciate any help and the wiring diagrams that members have posted up are really helping thanks but still cant figure it out