Customer Questions and Answers for Dryer Thermal Cut-Off Kit by Whirlpool

Hello Grace. You need to test the thermal fuse WP3392519 and the door switch WP3406105 on the unit. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html