Dana W Granby , CT July 19, 2015 Appliance: General Electric Electric Dryer DBXR300EG5WS Ge Dryer Dbxr300eg5ws: The start switch and the timer were not working. How to replace Dryer Timer Knob Assembly. We ordered parts from appliancepartspros.com and watched the videos to repair our GE Dryer. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes