The circuit board in position. I have cut the wires much longer than the original, which makes things look rather untidy. But in order to replace the brushes, I had to unsolder the wires from the motor. Leaving the wires long, allows the motor to be taken out without de-soldering. Note the two brass strips which run vertically from the wheel pickups to the circuit board. Be careful when soldering that the ends of theses strips do not spring out from the molten solder.