Lincoln Service Parts 1 › Lincoln Electric 9SM23712-1 FAN MONITOR HARNESS M23712-1 Lincoln Electric 9SM23712-1 FAN MONITOR HARNESS M23712-1 Sale Price: $21.50 Original Price: $24.73 FAN MONITOR HARNESS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FAN MONITOR HARNESS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1