Originally Posted by Hammerstein
And Cobalt: I used a universal harness, so I have no actual 3-pin connector to plug into the distributor. Just 3 separate wires (coil, tach and my separate ground. feel me?
If you are using a GM hei, there is a three wire pigtail or harness coming from the distributor that goes to the coil (red arrow below). It has the ground for the coil. Did you remove the ground wire from the hei pigtail/harness to be able to use your own ground wire?