Originally Posted by Tod74
MSD says not to use a dial back light with their ignition....don't know why though.
Because they wont read correct is the answer I got, I know some who dont have issues but I know others who had issues for weeks before trying another light.
I personally have 2 lights, 1 Craftsman, and 1 flaming river without the power leads it uses 2 batteries that one makes it easy.