hi looking for some help my daughter has just got her first car a mk4 Ibiza she has called it cecil the seat the rear wiper will not work water sprays on to the glass but the arm will not move I have checkd the wireing at the motor and one of the wires gos constant live with the ignition on but that is it I have visably checked the wires from the motor up in to the rubber boot and they look fine any one with any suggestions as she is doing my head in to sort it out am I right in thinking it dosnt use a relay thanks in advance