Harold W Great Falls , VA August 22, 2020 Appliance: KitchenAid 4 1/2 Qt. Stand Mixer KSM88PSQBF0 Kitchenaid Mixer Ksm88psqbf0: Governor broke and shorted out the speed control items. How to replace Stand Mixer Speed Control Plate. Replaced governor, speed control plate and phase control board. I have to say the repair videos on your website were the best I have ever seen! Far better than the static pictures on the official Kitchen Aid website. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes