OBD I Adaptor BOX Switch Wiring for X431 iDiag/ Diagun III/ IV, when you connect X431 iDiag with other OBDI connector, you need to use this cable to convert. One end connector is to X431 iDiag, another is to OBDI connector.
Launch X431 Ford 20Pin Connector For X431 DiagunIII and X431 IV , it is only for X431IV or X431 Diagun III, not for X431 Master.
Fiat 3Pin connector is accessory of X431 IV/DIAGUN III/X431 iDiag, it is OBDI to OBDII cable.You can diagnose old Fiat car models with this Fiat 3Pin connector for X431 IV/Diagun III/X431 iDiag .
Chrysler-6 PIN Connector For Launch X431 GX3,only 24.99USD with free shipping.
X431 Main Board ,working with X431 Master, X431 GX3, X431 Super Scanner which serial number begin with 98064****** or 98024******.