Wiper wiring 3-speed '74 dart sport ?

I wish I had more on this. I find that Mopar wipers are very poorly documented, and of course the web based rebuilder seems to have gone away practically speaking.

(formerly passion 4 mopars)

See if this helps

https://www.forbbodiesonly.com/moparforum/threads/wiper-motor-and-switch-discussion-and-info.83581/
https://www.forcbodiesonly.com/mopar-forum/threads/3-speed-wiper-motor-repair.57279/