William G Byron , IL October 29, 2019 Appliance: General Electric Dryer GTDX200EM0WW Ge Dryer Gtdx200em0ww: Timer on a GE dryer. How to replace Dryer Timer Control Assembly. Easy. Ordered timer from appliance parts pros. I received the part within a couple of days. I took the faulty timer out swapped wires reinstalled and the fix was completed. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes