Mercury – 5-Pin NMEA 2000 / CAN H Extension Harness | 8 m | 84-879171T09Mercury 5 Pin NMEA 2000 CAN H Extension Harness 8 m 84 879171T09 OverviewWith some boats, the ideal spot for a GPS or IMU sensor isnt anywhere near the backbone connection. The Mercury 84 879171T09 Extension Harness gives you eight meters of reach, which is often just what you need on a center console or any hull with long rigging runs. It lets you place the sensor where it actually performs bestwithout stretching the cable or forcing it through tight