I am interested in learning more about how and why the sisson choke functions. I have a pretty good grasp on the choke operation itself, it's the sisson actuator that I am interested in studying. A sisson is utilized in my 1938 Chrysler. I am not sure it's working, so it seems like a good opportunity to dig in.   I studied my shop manual. From what I can decipher is:   - 6V is at the starter lug, standing by, directly from the battery - turn the ignition key on. 6V passe