Anna C Adel , GA September 08, 2019 Appliance: Whirlpool Washer GHW9150PW4 Whirlpool Washer Ghw9150pw4: Door switch assembly. How to replace Door Switch Assembly. I watched the YouTube how to video by AppliancePartsPros.com. Once I received my part, I played the how to again while I changed it out. Was done in 15 minutes. Very easy. Perfect direction. And I didn't have to pay anyone to do it for me. Thanks!! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes