bobhunt
New member
Hi can anyone help me with wiring nmea from my northstar 557 chartplotter to my raymarine smart pilot autopilot, everything else on the boat is raymarine and i want a two way conversation between these two, the autopilot has +and -in and +and - out but for the life of me i know not which wires from the plotter to put in them?
any help would be gratefully received bob
any help would be gratefully received bob