Before I open up the control box, I want to check out voltages at the capacitor and motor. SInce I get 120 volts at the 2 wire connector, I want to hook up the downstream connector, and see what voltages I get at the end of those wires.
See attached diagram and pic of three wire connector.
Should I check by grounding the black probe and using the red probe at the wire?
Can I leave the wires connected to the capacitor while testing voltages? Can I check all 3 wires at the capacitor, while connected to it?
My thing here is that if I get 120 volts on its way to the motor, at the upstream connector, what is happening to it downstream? Where is it going?
By the way, just to add data, I tested the 2 wires at the upstream connector, and got 120 volts on the dark blue wire, and zero volts on the red wire, in both fan on and fan off. Does that make sense? Fan off and fan on having the same readings?