I found this researching the web for answers.
Connect your Navman NMEA Out (+) to the Autohelm NMEA In (+). Connect the NMEA Out (-) on the GPS to the electrical (-) of the autopilot, (NOT the NMEA (-)). Configure your GPS to talk NMEA 183. Set a course on your GPS, Sail that course. Hit (Track) on the Autopilot. Watch out for other boats. Good luck Steve Alchemist #909 p.s. The Raynav ST-4000 manual tells you all of this. You may need to cousult the Navman manual for the colors of the wires. It will be fun finding the right size terminals to connect the
Is this corect information?
Is there differnent versions of 0183? like veirsions 3 and V3.01?