I have been told it is the thermal fuse. Where can I buy one and how do you remove the oven from the wall? Thank you very much.
The thermal fuse AP3879224
You can find the instructions in one of our previous posts: http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/42932-whirlpool-oven-wont-heat.html
Here are the breakdown diagrams and http://www.appliancepartspros.com/partsearch/model.aspx?diagram_id=112067&&model_id=263876
Gene.