Were the two red wires taped off inside the motor? As in they didn't look like they were hooked up to anything inside?
That motor is a reverse direction type of motor. It indicates that on the label.
Each black wire probably receives 120 volts. How it is terminated is how it might have been wired previously.
Senators and Congressman should wear uniforms like NASCAR drivers so we could identify their corporate sponsors....
If what doesn't kill you, makes you stronger, I should be able to bench press a Grand Cherokee by now!