Fred S Springfield , MO December 07, 2019 Appliance: Whirlpool ET18NMXAN00 Whirlpool Refrigerator Et18nmxan00 / : Light switch out!!!. How to replace Light Switch. Bought a new switch, and replaced it. It was an easy fix !! worked great! 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes