Interstate ground points

[Paladin528]

Can anyone tell me the location of the grounding points on interstate. I know the one where the battery grounds to but where are the others?

[Firefighter]

I haven't found all of them, but the battery grounds to the engine, and then the engine has to ground to the frame. I had lots of running problems once until I found that the frame was not grounding good. The ignition coils ground to the frame, and the engine would run bad. I ran a short wire from the battery negative to the frame and everything has been great since.