Originally Posted By GODSCOUNTRY340
It takes 30 seconds to unhook the tach from the negative side of the coil, I've seen a bad tach cause your problem.


What he said


1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500