Mercury – CAN Data Harness (10-Pin, No Resistors) | 4-Foot DTS Lead | 84-879312T47Mercury CAN Data Harness (10 Pin, No Resistors) 4 Foot DTS Lead 84 879312T47 Overview Some DTS setups need a bit more reach than the short factory leads allow, especially when modules sit on opposite sides of the helm or deeper in the console. The Mercury 84 879312T47 CAN Data Harness adds four feet of non terminated SmartCraft length, giving you a clean, stable connection for CAN 1, CAN 2, and CAN 3 without altering the networks existing termination.