Using a standard power connector with a Garmin GPS unit will switch it to Wiring diagram pin-out to place Garmin Nuvi, Oregon and GPSMAP 62 GPS in. With a Garmin power cable, you have multiple components, including a cable, amperes, and wire lengths. EchoMAP5070 & GPSMAP527xs721xs power cable – 8 pins Garmin Accessories Web garmin nmea wiring diagram.

The GPS 17 antenna must be wired to the included pin NMEA cable as well as to the power supply for the boat. “Garmin 8 Pin Power Cable Diagram”