I attached a wiring diagram for you to view. Test for power at the switch on input and output on the switch itself with a test light or voltmeter. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.