Milwaukee 14-20-2554 Impact Wrench Electronics Assembly W/PKG used to restore reliable electronic control for compatible impact wrenches. This replacement electronics assembly manages electrical signals between the trigger, motor, and other internal components to support proper tool operation. It works by regulating power distribution for consistent performance during fastening and lo... https://www.wholetoolbox.com/milwaukee-14-20-2554-impact-wrench-electronics-assembly-w-pkg/14-20-2554.html