Kenneth W Elm Springs , SD July 24, 2014 Appliance: Kenmore Dishwasher Undercounter 66515784300 Kenmore Dishwasher 66515784300: Fuse blown on dishwasher. How to replace Thermal Fuse. Had to take front panel off door to get at the fuse, we have to do this at least once a year. next time it blows we will get a new dishwasher as it is getting old but it does clean dishes well. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes