These harnesses are designed to interface the John Deere Rate Controller (JDRC) and Rate Controller 2000 (RC2000) to Application Rate/Shutoff Control Components used on NH3 Applicators or Sprayers. These harnesses will have the correct connectors to fit the application without the use of adapter cables or other troublesome connector solutions. If you have a cabling issue that is not shown on this page, give Sensor-1 a call and we will provide the cable possibility that will work for you!