Car wiring diagrams: Fiat Punto Wiper Motor Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. You need to change the flasher unit also check fuse on the fuse panel inside the vehicle. the flasher unit should be just under the dash on .Have changed the wiper motor out of a working car. I have also checked the wiring diagram on autodata for a difference between the old and .Electrical system Punto. Wiring diagrams. . Version F F.pack E. Windscreen wiper Rear window wash wipe Windscreen and rear window washer pump .