This is going to be the overdrive transmission circuit diagram for the 1960 Chevrolet Passenger Cars. Inside the image we can see several components like coil, knockdown switch, generator regulator, ignition switch, etc. The wiring connections aren’t very clear, but we hope you can still manage to use this wiring diagram for your wiring work. We will try to update you with the better wiring diagram images. Click on image to view it larger in a new tab.