Search on Ford model A T for open body cars. Probably a Trico setup for an open car. Actually that is what I am using on my 29 sedan. The on/off is on the Trico motor.
You will need to do some research to find a best fit. Is there a vacuum line going to the windshield.
You will need to do some research to find a best fit. Is there a vacuum line going to the windshield.