YOU ARE BUYING A USED 9 PIN ROUND 1 IS A RUBBER DUMMY PIN TO 8 PIN SQUARE 7 SOCKET AND ONE DUMMY SOCKET CONNECTOR AND 1 WIRE OUTSIDE SQUARE CONNECTOR 21'  THE DUMMY ROUND PIN ON LEFT IN PICTURE AND THE DUMMY IN THE SQUARE CONNECTOR ARE FACTORY . SEE PICTURES  MERCRUISER DASH TO ENGINE HARNESS I GOOD SHAPE SELLING AS IS NO RETURNS SEE PICTURES