Mercury - CAN Data Harness (10-Pin, One Resistor, Non-DTS) 10-Foot SmartCraft Lead 84-879981T10. Overview. Some SmartCraft CAN P networks need both extra length and a built-in termination point, especially on smaller rigs where adding a separate terminator isn't practical. The Mercury 84-879981T10 CAN Data Harness handles both jobs in one piece. It provides ten feet of blue-connector SmartCraft cable with a single integrated resistor, giving the network the proper load on one end while keeping t