Yamaha® Engine Bus to J1939 Adapter Cable Connect your J1939 equipped GPSMAP® 7400/7600/8400/8600 series chartplotter directly to your Yamaha engine bus multi-hub to bring Yamaha’s fully-integrated boat control system and custom touchscreen user interface to your Garmin installation. Pigtail Bus Wire Reference: Yamaha Part Number - Description * 6Y8-82521-01-00 - 1 ft. Pigtail Bus Wire * 6Y8-82521-11-00 - 2 ft. Pigtail Bus Wire * 6Y8-82521-21-00 - 3 ft. Pigtail Bus Wire * 6Y8-82521-31-00 - 6 ft. Pigtail Bus Wire * 6Y8-82521-41-00 - 9 ft. Pigtail Bus Wire * 6Y8-82521-51-00 - 12 ft. Pigtail Bus Wire Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].