Originally Posted by
maxepower
Hello,
I need to get my HW 120 ampXERUN 2.1 ESC serviced, I accidently plugged my battery backwards just for a second, it still works but now there's a cogging affect going on when you first hit the throttle, tried another motor and sensor wire and still happening.
Any advice would be greatly appreciated!
thanks in advance!
did you replace the capacitor? as that blows instantly when terminals are reversed,you could just remove it to check function but get a cap back on before you race it