Question
I have to admit that I'm a novice at using a multimeter.  How do I check the voltage at the relay switch?  Specifically, where do I placed the leads?

Answer
Hey shawn, to check the voltage (24 to 26 volts) at the relay switch, simply find the two wires from the controller, and touch one lead to one of the wires at the switch and the other lead at the other wire at the switch. Let me know if you need more help. Thanks and have a great day.