I have a broken wire at the bottom of the door. Seems to be a common issue with Whirlpool Refrigerators

Brand:Whirlpool
Model Number:WSR588FHIZ00
Main Symptom: Ice Maker not Producing Ice
What happens & when:

Error Code (if any):
Parts or tests already tried: Seems to be a common issue with Whirlpool Refrigerators. Does anyone know what gauge wire of the wires at the bottom of the door to repair? 16G, 18G, 20G
Photos / video link:

Normally, the wiring will be a 14G or 16G but we do not have the exact gauge for this.