got the pigtail today from Jason Cromer, went to put it on the car and it won't plug into the 94 engine harness as the new plug has an extra ridge on the inside, do I cut a slot in the engine harness plug so it'll slide in place? Do I pull the old plug off the original piece and pull the new plug off the new pigtail and swap them?

I assume this is a regular obstacle, anyone have some input?

 

Yeah... I just cut off the little ridge in the one connector and then it plugged right in.