I've not looked that close, but I'd try to bypass the switch. connect the two wires and see if the fan turns on. If it does, get a switch. If not, probably the motor.
Of course, the 2 switch control always messes with me....
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I camp to burn off the CRAZY!
Somewhere there is a Tiki Bar and a Jimmy Buffett song that needs me...
2019 Cherokee 274DBH