6.1 Hemi 69 Barracuda Fastback Father Son Project

Question for the group.
I have a Mopar 3-speed wiper motor and switch.
I would like to add "Intermittent" wiper speeds to by replacing the switch. If you have done this, what switch did you use?
Needs to have Wash, Slow, Fast plus variable intermittent settings, also needs to "Park" when turned off and between wipes on intermittent settings. TIA

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Maybe look at the F/M/J Body stuff. I remember my '79 Volare had wiper delay and I added it to my '78 after the fact. As I recall, it was just an additional module, some wiring and a slider to select the delay, but pretty sure the wiper switch itself and the wiper motor wasn't any different.

I know have a module (or two) and some wiring, just in case I could use it for the same reason.

There are probably an aftermarket solutions, but I haven't looked.