Jose C Kempner , TX August 28, 2020 Appliance: Whirlpool Refrigerator, French Door, 4-Door WRX735SDBM04 Whirlpool Refrigerator Wrx735sdbm04: In side light blinking. How to replace Module. Replace light module. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes