UNPLUGGED THE DRYER!!!! REMOVED THE VENT AIR TUBE. CHECKED CONTINUITY OF THE CYCLING THERMOSTAT AND HIGH LIMIT THERMOSTAT BY ACCESSING THEM THRU THE HOLE LEFT OPEN WHEN I REMOVED THE VENT TUBE. BOTH WERE OPEN WHICH MEANS THEY ARE BAD. I ALSO CHECKED THE OHM READINGS OF THE HEATER. THE READINGS WERE CORRECT SO I KNEW THE HEATER WAS STILL GOOD. YOU GET THE SAME READING FROM TERMINALS #1-#2 AND #2-#3. #1-#3 IS DOUBLE THE PREVIOUS READINGS. THE SERVICE MANUAL GIVES YOU INCORRECT OHM READINGS TO CHECK FOR. PULLED OFF THE WIRE TERMINALS AND REMOVED THE THERMOSTATS. PUT THE NEW ONES ON AND REATTACHED THE WIRE TERMINALS AS THEY WERE ATTACHED BEFORE. REATTACHED THE VENT TUBE AND DUCT. PLUGGED THE DRYER BACK IN AND RAN A SELF TEST. ALL GOOD!!!!!