Garmin REACTOR 40 KICKER Installation Instructions Manual page 23

Only One Transmitting Wire
If your NMEA 0183 compatible device has only one transmitting wire (Tx), it must be connected to the brown
wire (Rx/A) from the helm control, and the green wire (Rx/B) from the helm control must be connected to NMEA
0183 ground.
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
Green — Rx/B (-) (connect to NMEA 0183 ground)
Blue — Tx/A (+)
White — Tx/B (-)
Brown — Rx/A (+)
NOTE: When connecting a NMEA 0183 device with only one transmitting (Tx) line, you must 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 (+)
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