Garmin GPSMAP 7X3 - Page 12

NMEA 0183 and Power Cable Pinout
Pin Number Wire Function Wire Color
NMEA 0183 Tx/A (Out +) Blue
NMEA 0183 Rx/A (In +) Brown
NMEA 0183 Tx/B (Out -) Gray
NMEA 0183 Rx/B (In -) Violet
Alarm Yellow
Accessory on Orange
Ground (shield) Black
VIN Red
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