Simple 10 minute swap out. Power off the cook top, removed the knob and rubber seal, used a small phillips screwdriver to remove the 2 screws securing the switch, removed access cover below and pulled the defective switch out, replace the gasket on the new switch and reconnect the wires. Position the new switch in the panel noting that the D shape must be oriented correctly and secure the 2 phillips screws. Re-attatch the access panel, replace the rubber seal and knob. Power the cook top up. Worked perfectly.