Refrigerator Defrost Thermostat, Sensor

This evaporator wire harness delivers power and control signals to the evaporator fan and defrost components. Replace a damaged harness to restore stable cooling and dependable automatic defrost performance. What it does:

• Provides plug-in electrical connections for evaporator-compartment components
• Carries power and control signals for cooling and defrost cycles
• Enables proper airflow across the evaporator and effective frost removal
• Common clues of a failing harness: heavy frost on the back wall, evaporator fan not running, intermittent cooling, or burned/brittle wires or connectors

• 1 evaporator wire harness assembly

• Disconnect power to the refrigerator before servicing
• Access the harness behind the freezer/evaporator cover; remove drawers/shelves and the rear panel
• If iced over, allow ice to melt—do not use sharp tools on coils or wiring
• Route and secure the new harness exactly like the original; fully seat each connector

Freezer not cooling or frosting over? This defrost thermostat monitors temperature and controls the defrost cycle to prevent ice buildup and restore airflow.

This thermostat monitors the evaporator coil temperature and signals the defrost heater to turn on or off during the defrost cycle. It prevents excessive frost buildup on the evaporator, which is essential for proper cooling in the refrigerator. Replace this part if you notice heavy frost accumulation on the back wall of the freezer, the refrigerator is not cooling properly, or the defrost cycle is not activating.

Fix a refrigerator that won't cool or frosts excessively with this defrost thermostat. Senses temperature to control the defrost cycle properly.

Fix refrigerator frost buildup or warm temperatures with this defrost thermostat sensor. Moderately easy repair for most home DIYers with basic tools.

This thermistor is a temperature-sensing component that monitors conditions inside the refrigerator or freezer compartment. It sends temperature readings to the main control board, which uses that data to regulate the compressor and defrost cycles. Replace this part if your refrigerator is running too warm, too cold, or cycling erratically despite correct thermostat settings.

Fix ice buildup on evaporator coils or freezer not defrosting properly. This defrost thermostat monitors temperature to prevent frost. 2-hour repair.

This defrost thermostat with attached wiring harness monitors the evaporator coil temperature and signals the defrost heater to turn on or off during the defrost cycle. It is typically mounted on or near the evaporator coils inside the freezer compartment. Replace this part if the refrigerator is not cooling properly, frost is building up excessively on the evaporator coils, or the defrost cycle is not functioning correctly.

Fixes refrigerator not cooling or excess frost buildup. This defrost thermostat regulates the defrost cycle. DIY-friendly repair, takes about 20 minutes.

Fix frost buildup and poor cooling in your refrigerator. This defrost thermostat prevents ice accumulation on the evaporator. Moderate DIY repair.

Freezer working but fridge not cooling? Coils frozen solid? Replace your defrost thermostat. Mounts on evaporator to control defrost heater cycle.