Let this Decision Tree help you select the wiring option that is right for you.

All instruments come with a 12vdc motor.
This instrument will be portable (110vac) I want a push button on a 20ft cord and a wall plug on a 6ft cord. Add: 110vac converter and Push Button switch.
I will wire the instrument myself. Add: 110vac converter.
This instrument will be installed permanently in the organ. (12vdc motor with regulator for up to 35vdc) Our console has (or we will install) a latching switch, tab, drawknob or toestud. (no added wiring)
Our console has (or we will install) a momentary switch, tab, drawknob or toestud. Add: reversing relay.