I picked up a new 1.5 hp-2 hp Electric Motor Reversing Drum Switch, 1 & 3 Phase, Position=Maintained. Wired into and out of the switch and into the motor. Motor is a 9-wire, so I wired it for low voltage...1-7, 2-8, 3-9, 4-5-6. When I started the motor, it hummed and ran very slowly w/o load...