On/Off Switch
One wire in & one wire out for non-electronic models.
Part # 70-112000-29
Fits Pfaff models: 1196, 1197, 1199, 1209, 1211, 1212, 1213, 1214, 1216, 1217
Note: please check your switch some of these models used a switch with two wires in and two wires out and some had one wire in and one wire out.