Blower Fan

I have a 1997 Chevy Silverado K1500 4X4 mileage: 120,000 V8 5.7L
I have only had it for 6 months and the fan has not worked on high since I have owned it. And the other day it quit working on all the speed settings. All the fuses check out. I just replaced the resistor and that didn't help. I also straight wired the blower motor to the battery and it works just fine. I'm guessing it might be the switch or maybe the relay.
Any possible suggestions? Thanks in advance for your help.

I just replaced the switch and everything works fine now, that's all it was.