Bryan H Spanish Fort , AL September 06, 2015 Appliance: Model JSP42BOK4BB Switch metal knob stem broke Unplugged range! Took the knobs off. Unscrewed the plastic hex covered with chanel locks. Popped the digital cover off with a screwdriver. Used a screwdriver to unacrew the switch. Used anutdriver to unacrew four screws on the metal housing. Took a photo of the wiring for later reference. Took one wire off at a time and put it on the new unit one at a time. Very easy! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes