... of fuel pressure test kit also provides whole sets of connector threads, including M12X1.5, M14X1.5 and M8 ... outfit can be combined with rubber hose. Connector 1 , Connector 2, Connector 3, Connector 4, Connector 5, Connector 6, Connector 7, Connector 8, Connector 9, Gauge outfit(2). Relieve ... be in fuel container. 2. Loosen the nut of connector and relieve fuel pressure until the reading of fuel ...