I Have a gas dryer that when I get my dryer set and push the button in to start it either does not run or runs for only 15-20 minutes. There are times I push the button in and it makes a humming-type sound like it wants to start but it doesn't. Other times it starts but only runs for 15-20 minutes. I have done what I can to clean out any lint or dust inside and out but it still does not run well or does not run at all. Is there a wiring diagram or something I can use to figure this out? Kim Larson Lkmmrs@msn.com