This one puzzles me, It's been starting for momths now,Wouldn't crank somestimes was getting power to coil good ballast good ecu,Bought new moparperforemance distributor,Cranked for awhile then samething,Put new wiring harness on new orangebox new ballast new pickup,set airgap,Still would do it,Put an old distributor i had in thought it was fixed,THen today it did it finally got it started took the cap off wiggled the pickup, it started,cranks now,What could be causeing this? I thought ingnition switch but I'm getting power with key on,I even tried the gm pickup on it once still would do it