Yea. That's easy.
This one I picked up from a small yard after one of the ones pictured above seized on my weekly commute.
It's "two field" round back. We simply added a jumper to ground. Its the one I just put back on the car.
These are somewhat valuable if date codes are still visible. This one is decent.
This is a revised squareback from Tuff Stuff.
Just pulled it off the car. Has a terrible squeal. Always has. Seems to be the brushes against slip ring. I'm going to try cleaning them up.