Thomas A Cicero , IN April 26, 2015 Appliance: Estate Electric Dryer TEDS780JQ0 Estate Dryer Teds780jq0: Dryer would shut off during operation. How to replace Dryer Timer Assembly. I used a voltmeter to diagnose the problem. I ordered the part. It arrived 2 days later. I disconnected the dryer from the electrical source, removed old timer switch, switched wires to the new switch, then reinstalled new switch. I reconnected dryer to power source. It now works correctly. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes