Ray A Walnut , CA March 12, 2018 Appliance: General Electric Gas Dryer DBXR463GD1WW Ge Dryer Dbxr463gd1ww: Dryer start switch failed. How to replace Selector Knob. Replaced switch and knob with parts from Appliancepartspros.com. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes