Do you have the Run capacitor for the motor. If it's a gear motor, most likely Dayton, than you will need a 4MFD-370v Capicator to make it run. you can find a wiring diagram here:
http://www.electricmotorwarehouse.com/Dayton/4Z451.htm
That is if this is the motor you have. If not, do a search on Google and you will find the Wiring diagram. These motors won't work without either a Start or a Run capacitor, some need both. They are cheap, I just made a little thingy with one and the capacator is available at any electric motor place for less than $8.
Hope this helps.
Ted