4 wire stepper motor pin out

[FoxCNC1]

Good evening guys.
I have a small nema motor with 4 wires,
Red, black, green and blue.

I want to write this motor to a switch to manually move it in clock wise and counter.

This is not for a cnc machine but rather for different application.

Do I still need to buy a motor drive, or can I connect two wires to a power source?

Does the red and back correspond to a winding? And so so the green and blue? Or is there a different combination? My multimeter is broken..

Thanks

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[snowyskiesau]

Yes, you'll still need a motor driver.
If you don't have a multimeter, you could try connecting a pair of wires together and turn the motor shaft. If you short together a winding pair, the motor will be harder to turn..

[FoxCNC1]

Yeah because steppers are PWM is that right?.. I realized that last night after I posted.