Truck problem

i have a 1989mazdab2600 and it just turned off on me while i was driving. put rotor cap plugs wires fuel pump good. put noid on the injectors and nothing what is my problem?

Does the engine crank? You mentioned that it just turned off, is that electrically mechanically? More info would be helpful.

You mentioned rotor, cap, wires, and plugs, but did you check for spark? Is the coil firing?

SPARK FUEL COMPRESSION

How about more details. Exactly what happened. Tell us all the details including sounds.

It could be almost anything from what we now know.