COM to OBD2 Connect Cable for X431 iDiag/ Diagun III/ IV, when you connect X431 iDiag with other OBDI connectors, you need use this cable to convert. One end connects to X431 iDiag, another end connects to OBDI connector.
Launch X431 Auto Diag Scanner Shell
X431 iDiag Connector Set Package is OBDI to OBDII connectors for X431 iDiag series
If you want to do car models before year 1996, you will need this connector set package for you iDiag.