Crank but no start 1995 Chevy k2500 5.0 tbi
 

I have replaced the starter I have replaced the battery I have replaced the ignition coil I have replaced the distributor have replaced the battery I have replaced almost all the wiring up there did the spark plug spark plug wires as a new starter fuel filter fuel pump no not at the other things that says that it was you know this or that the other of replaced it the only thing I have not replaced is the brain or the map sensor why can't I get it to start I do know I broke my blinker I mean my hazard flashing button I don't know if that has anything to do with it please help