6.1 Hemi 69 Barracuda Fastback Father Son Project

That switch looks a lot like this one.
CH 75600-04 from Cole Hersee

So far no one has confirmed function with a Mopar 69 style 3-speed wiper motor.
Prefer not spending $100 for a maybe, and then not have it work... "¯\_(ツ)_/¯"
I'll keep digging around.
I have some time before needing to put the wiper motor in the car.
Even more before I would need the switch...
Hopefully by then, there will be someone that can say which switch will definitely work.

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It likely is the same. Many automotive electrical suppliers sell private labeled Cole Hersee switches. Hence the CH in the part number. It can be hard to find info on them, but once you find a part number you need, you can usually find them on Amazon or eBay for cheaper than the private labeled units.

I made the factory 1970 switch work with a late 90s Dakota wiper motor. I’m sure the circuitry is similar on all of them