I ordered a new switch from AppliancePartsPros.com after watching a short installation video that convinced me it would be an easy fix I could do myself.
It took me less time to switch out (pardon the pun) new for old than it took me finding out where to cut off the power to the fridge on the circuit box.
Most welcome was the speedy delivery of the part I sent for. It was delivered so fast it totally caught me by surprise!