Has anyone mentioned wires cross firing? Chrysler put out a service bulletin describing how to route and shield the wires on my 360 engine because of an idle misfire. Turn out the lights and you’ll see the sparks if any.
You just caint beat old school and that right therre is as old school as it gets. I love this idea too. I mean really, how QUICK a diagnostic tool is the dark, yet some people either laugh at it or never think of it. So simple.
