Help"" no spark.

B cuda has new style electronic ingnition.
4 wire plug on the spark box.

Ballist resistor is bright on one side ,dimmer on the other.

Tried another distributor.

2 of the wires going to spark box have power.

Added 2 new ground wires recently.
Started it to drive it outside.went to drive it in and nothin.
Cranks over fine.

Thanks