Theodore G Omaha , NE October 24, 2022 Appliance: General Electric Dishwasher GLD4408R00WW Ge Dishwasher Gld4408r00ww: The door when closed, was not reading that it was closed. So it would not turn on. How to replace Interlock Switch. I replaced both parts, Interlock Switch, and the Switch Plunger. I'm not actually sure which one was the actual problem. I replaced them according to the videos on the site: excellent instruction videos. The repair went very smoothly. The dishwasher works perfectly now. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes