Windshield wiper motor help

The circuit breaker in that switch is a bi-metal strip bowing with heat. It will function some number of times before cracking in half. My first experience with this issue was a 67 model way back in early 80s. I did take that switch apart, find a way to route the 2 contacts out though a hole drilled in the switch, and add a more modern cycling circuit breaker on its outside. Didn't cure the overheating issue though.
The actual fault was in the drivers side pivot assembly. Good luck