Ralph M Lithia Springs , GA November 14, 2016 Appliance: Whirlpool Microwave Hood Combination 1.9 Cubic Feet WMH32L19AS1 Whirlpool Microwave Wmh32l19as1 / : Yes. How to replace Microwave Door Interlock Switch. Replaced the parts with diagrams provided by Appliance Parts Pro but had to figure out how to disassemble the switch locations. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes