Doing what Robert says will diagnose what is the problem if it is in the ignition system. You do want to make sure if the ignition system is working.

I'm just wondering if you are disconnecting any wires when you are 'bench testing' the system.

Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.