Spark/ignition issues?

The box grounds thru the bolts attaching it to the body. I have had boxes completly fail also. But I have had them do just like you and I described. It would partially fire what seemed like about 1/3 of the cylinders and it would almost go but it just wouldn't take off. I switch the box and it fired right up. It made it easy for me to try another box because I have 3 or 4 of them from parting out cars.


Chuck