i got pointed to this electric contact and circuit board cleaner from repco its that motor tech brand so far soo good at $4 c 300g can cant complain gets rid of molly bendum grease that about the stubbornest thing i came across in and electric car but as far a off road (which i do not run ever!!) ive heard 2 parts metho and 1 part wd 40 an a little simmple green or something nt to sure heard it years ago