How do you replace the fan switch on a 1996 gmc safari?

To replace the fan switch on a 1996 GMC Safari, first, disconnect the battery to ensure safety. Remove the dashboard panel covering the switch by unscrewing it and gently prying it off. Next, disconnect the wiring harness from the old fan switch, unscrew it from its mounting, and install the new switch in reverse order. Finally, reconnect the battery and test the new switch to ensure proper functionality.