Hi, has anyone gone Gen. 1 to Gen 2 on the mercruiser 4000 control. on the old Gen. 1 from the grip to the trim pump it ran 4 wires (red, blue, green, purple) Now Generation II 4000 control runs 3 wires trough (red, green, blue on the grip to red, green, purple at the pump) any hints on this, I...