Wiper motor questions

I have a 2 speed wiper motor and linkage from a 69 Barracuda parts car that I was thinking about cleaning up and selling, but I'd like to test it. Would you know that bench testing sequence? I assume this one was for the 3 speed wiper.
Thanks.
Harrisonm could you start your own thread so I don't get notified everything someone answers your questions in my thread