How do I replace the Thermistor?
by Triple G
(Virginia Beach, VA)
I've read all your information about my GE gss25wgmd. I suspect the thermistor.
The coils continue to get covered with frost in less than a week. My defroster heater works (tested by jumping the wires on the mother board). I tested the resistance across a thermistor and it only varied from 2.2 KOhm (dry) to about 8 KOhm (cold in ice water).
But I can't figure out how I will replace it when a new thermistor arrives. Will it come with a whole new harness? Also, the wires for the lower thermistor route into the side wall and I can't see where to disconnect it to test it.
Thank you for this great service.Answer
Hi Triple G,
I have been meaning to write a section on the correct way to install a thermistor I just haven’t got around to it so I am glad you asked.
You will have to splice the wires. The best way to do this is with a bell connector, which is just a one-ended squeeze connector. You will have to have a tool to correctly squeeze the connector to make a good connection. Skin the wires about a ¼ of an inch or so and twist the wires together then fill the bell connector with silicone RTV. Push the wires into the connector and squeeze the connector with the tool. The silicone assures moisture will not get to the connection.
Note that if you do not have a tool you can use wire nuts but they aren’t as good. Also if you use wires nuts still fill them with silicone.