9 Pin to 6 Pin Adapter - This 9 pin adapter will turn your 9 pin cable into a 6 pin cable. This cable is universal and works with all diagnostic tools and cables. The 9 pin connection works with all diagnostic tool and cable ends from 1990 to current year. 9 Pin CAT to Standard 9 Pin Adapter - This 9 pin adapter allows technicians to connect a standard 9 pin datalink adapter to Off-Highway CAT equipment equipped with the CAT 9 pin diagnostic connector. This adapter supports the standard J1939 and J1708 protocol and allows customers to read the standard SAE codes and live data. 9 Pin to OBDII for Mack and Volvo Adapter - This 9 pin to OBDII converter adapter is for Mack and Volvo trucks that have an OBDII connection instead of the standard 9 pin. For Volvo, this started in model year 2013. For Mack, around model year 2015. 9 Pin to Standard OBDII Adapter - This 9 pin to OBDII converter cable will change your 9 pin to a standard OBDII connection. The 9 pin connection side is universal and fits all standard 9 pin cables from 1990 to present. This item is universal and will work with all diagnostic tools CAN 3 to CAN 1 Cross Over Adapter - This universal adapter cable will convert your "standard" black 9 pin J1939 cable to connect to the new "green" 9 pin connector used on commercial medium and heavy-duty trucks since 2016. The green connector signifies that the vehicle has the faster CAN500 network speeds. Please verify that your adapter can handle CAN500 traffic.