Msd problem

Check pickup for continuity TO GROUND. It should be "open" IE infinity. Also did you check that the distributor is actually turning in the engine? How good is the battery? Is it fully charged? Spins the engine good? Then while cranking, measure voltage between "big red" and "big black" What is that voltage. Then measure again from the small red trigger wire to ground. Must have battery voltage there while cranking and while running