Dante giacosa: i only find 2 three-pole connectors. 1 connector on the rigth, far from abs, its pluged and i belive its for engine ecu. The other is around the abs,laying on the leftside of abs.But that three-pole connector has only 2 cords going into it. Number 1 is emty, thats the one you earth to start the blinkcode.
Sorry, did not manage to upload picture.