42rh A500 OD/LU connector

I think calling the junkyards is probably your best bet.
It doesn't have to be from a 94.
I think any Dakota, or ram truck from '89 to 94 or 95, as long as it's the 3-pin your good to go.
I lucked out, the trans I bought had the plug and about 3 ft of the harness still attached.