Mercury - CAN Data Harness (10-Pin, No Resistors, Non-DTS) 50-Foot SmartCraft Lead 84-879968T50. Overview. Some boats-especially large offshore rigs, flybridge setups, or long twin-station layouts-need a SmartCraft cable that can cover serious distance without adding extra circuits or termination. The Mercury 84-879968T50 CAN Data Harness delivers fifty full feet of non-terminated SmartCraft wiring using the blue 10-pin connector, built specifically for CAN P networks that do not use DTS. It's a