Garmin REACTOR 40 KICKER Installation Instructions Manual page 21

Two-Way NMEA 0183 Communication
NMEA 2000 network (provides power to the helm control)
12 Vdc power source
Helm control
NMEA 0183 compatible device
Wire Helm Control Wire Color — Function
N/A
N/A
Blue — Tx/A (+)
White — Tx/B (-)
Brown — Rx/A (+)
Green — Rx/B (-)
NOTE: When connecting a NMEA 0183 device with two transmitting and two receiving lines, you do not need to
connect the NMEA 2000 bus and the NMEA 0183 device to a common ground.
NMEA 0183 Compatible Device Wire Function
Power
NMEA 0183 ground
Rx/A (+)
Rx/B (-)
Tx/A (+)
Tx/B (-)
21