Originally Posted by
hot rock
We were chasing our tails also this year,thought it was yhe coil,car would start and run then either cut out or just die,we bought new coil ran fine in shop.next morning would not start.we bought a new msd box digatal and it had a light on it,when we turned on the ign.light would come on a few seconds then go off.we disconnect wires hooked to battery charger light stayed on ,figered out we had a grounding problem,put our old box we had for years ,left new coil on car,went to track car dies while under caution.i went to msd trouble shooting website,and starting every oming every thing out it kelp saying change coil and try again.put our old coil back on that we had for years every things fine,so yes i would say msd has a quality control problem.