[4banger]

Originally Posted by skylinedriver

Check that the cells are fully charged. Pull the motor end bell off and see if the brushes are worn, And double check that your solder connection isn't bridged. I would imagine that something would fry, but I've seen stranger things. My suggestion would solder a leg(a solid piece like a lead off of an LED or resistor) to the end of the wire that goes into the EP so you don't have to drill the board.

nice explanation