The DTS Mercury/MerCruiser Diagnostics Cable is a common cable used in marine outboard and inboard engines. It connects to the Terminator diagnostic connector and works in conjunction with the Jaltest Marine software This cable works the same as the JDC617M, but it will need to connect to the JDC213M3 and the JDCOBD4 CAN 120 Ohm Resistor Adapter instead of connecting to the JDC 600 cable.