One day the windshield wipers in our 2012 Ford Focus turned on and would not turn off. They would also randomly turn on and not respond to the switch. I found this issue was caused by a corroded negative battery terminal cable and current sensor.
Link to the replacement negative terminal cable/current sensor I used:
https://amzn.to/3aLM0oj
Link to the replacement current sensor connect and pigtail wiring kit I used (Motorcraft WPT1396):
https://amzn.to/3FSf4cl
Link to the forum post where I found the answer:
https://www.focusst.org/threads/winds...