Marlin J Bismarck , ND October 09, 2018 Appliance: Kenmore Refrigerator 79578543805 Kenmore Refrigerator 79578543805: Freezer light would come on even with new bulb. How to replace Refrigerator Door Switch. Ordered a new switch from Appliancepartspros and followed the instructions provided with the video provided on the part I ordered. Took five minutes and was an easy repair! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes