no spark in start

Well after removing the ground from the frame to in stall the new electric fuel pump, I'm not getting any spark at the plugs when trying to start. The motor cranks and I seam to have power everywhere, I just can't figure it out
I did test the system with a spare distributor plug into the FBO electrical ecu and spinning it with my finger with the ignition in run, I have spark at plugs. The gaps in the distributors look to be the same, I can't really check the one in the motor no space.
So, when cranking no spark with same system, only difference is the draw from starter and a different distributor. Could it still be a ground problem? What do I try next.