Answer Hello George. You will need a multi meter: AP3440648. The thermostat should test closed for continuity. Here is a link you can refer to for help with using a multi meter: http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html . Thanks! Read More... Answered by AppliancePartsPros.com | Monday, July 11, 2011