NEW 6/9 adapter cable plug with 6-Pin GRAY Deutsch and 9-Pin BLACK Deutsch ALSO works with 8 or 9-pin GREEN. Both ends are booted and sealed with strain relief for added durability and longevity. Allows for connection of the 8 or 9-Pin BLACK/GREEN Deutsch devices/cables to the older 6-Pin GRAY Deutsch Diag for use with Heavy Trucks made 2005 and older.