The ANSWER.. Will a Pfaff 1222 pedal operate a Pfaff 1222E? This is what happened in my case. We managed to track down the 053 pedal for use ONLY with the 1222E
Pfaff 1222 Electronic P - YouTube
Foot Control Pedal W/ Cord For Pfaff Select Varimatic Hobbymatic Tipmatic 220v - Sewing Tools & Accessory - AliExpress
Brewer Sewing - FOOT CONTROL Pfaff 1221 1222E with 4-Prong Cord
Amazon.com: Foot Control Pedal #90-222040-08 For Pfaff 1212, 1221, 1222E Sewing Machines
Is this a three leg capacitor? | Page 3 | Electronics Forum (Circuits, Projects and Microcontrollers)