Turned off power at circuit breaker. Removed 4 phillips screws from area over oven door. Pulled control panel out and twisted to clear top rail. Pulled two wires off of old switch.Pulled old switch through panel. Inserted new switch. Attached the two wires to new switch. Replaced panel and inserted four screws. Turned on power - it works!
Unplugged unit. Pulled front cover and removed switch knobs. Pulled switch plate off and replaced thermostat switch and temperature sensor bulb assembly. Reassembled and plugged in. Unit works normal.