Steve R Portland , OR October 21, 2023 Appliance: General Electric Refrigerator ZICS360NHALH Ge Refrigerator Zics360nhalh: Refrigerator lights all went out; New bulbs didn’t fix the problem. How to replace Switch Light. I tested the conductivity across the door switch and found the switch had failed. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes