Wiring diagrams for pump motors are available at BJMPumps and Spa Pumps And More. Both these companies offer multiple wiring diagrams complete with photos and installation tips.
The wiring diagrams available at BJMPumps include single phase wiring diagrams, three phase wiring diagrams and LWA pump wiring diagrams. The company also offers comprehensive information about various pump parts and providers users with pump specification sheets for multiple models.
At Spa Pumps And More, multiple wiring diagrams are available for pump motors, and the company offers multiple views and installation photos for each of them. Other places to find a wiring diagram for a pump motor include Pool1, Inspectapedia and Schneider Electric.