SMARTCRAFT/NMEA 2000 GPS
90-8M0172030 eng JULY 2020 © 2020 Mercury Marine Page 5 / 6
GPS Sensor Connections
The GPS sensor is fully compatible with Mercury SmartCraft and NMEA 2000 communication networks. Refer to the following
diagrams to properly connect the GPS sensor to the network on your vessel.
GPS Sensor Connection—CAN P
a - GPS sensor
b - NMEA 2000 harness (optional)
c - CAN P GPS sensor harness (sold
separately)
d - Junction box (J‑box) 4‑way shown
e - SmartCraft gauge or device
f - Helm harness
GPS Sensor Connection—NMEA 2000
a - GPS sensor
b - NMEA 2000 harness
c - Chartplotter
d - 120‑ohm termination resistor,
1 male and 1 female
e - NMEA 2000 fused power
source
f - Accessory power relay
terminal bus
g - SmartCraft multifunction
device
Verification
For GPS Speedometer for a Display:
Using a NMEA 2000 MFD, locate the network device list and verify the GPS sensor is on the list of devices. Refer to the
MFD's operations manual to locate network data screen.
For a Mercury Marine MFD or SmartCraft Gauge:
1. Using a Mercury Marine MFD, locate the network device list and verify the GPS sensor is on the list of devices. Refer to
the MFD's operations manual to locate network data screen.
2. For the System Tachometer, System Speedometer, MercMonitor, or other SmartCraft capable gauges refer to the
applicable operations manual to correctly source the GPS sensor. Test operations.