mopar msd 6al box

i did test it the way msd tells you to by shortin the mag. pickup wires and i got nothing i checked both 12v wires and they were good and my coil is good as well i double checked that...i called MSD today and they said that cranking it when all the wire are off shouldnt affect it but thats when i got issues right after that...also i was planning on sending it away but its a mopar performance msd unit part number 4876728 black box