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Power and Data Cable
• The wiring harness connects the device to power and NMEA 0183 devices.
• If you are not connecting NMEA 0183 devices, disregard the blue and brown wires.
• The device has one internal NMEA 0183 port that is used to connect to NMEA 0183 compliant devices.
• If it is necessary to extend the power and ground wires, you must use 1.31 mm
• If it is necessary to extend the NMEA 0183 or alarm wires, you must use .33 mm
Item
Wire Function
NMEA 0183 internal port Rx (in)
NMEA 0183 internal port Tx (out)
Ground (power and NMEA 0183)
Power
Connecting to Power
When connecting the power cable, do not remove the in-line fuse holder. To prevent the possibility of injury or
product damage caused by fire or overheating, the appropriate fuse must be in place as indicated in the product
specifications. Connecting the power cable without the appropriate fuse in place voids the product warranty.
You should connect the red wire to the power source through the ignition or another manual switch to turn the
device on and off.
1 Route the power cable between the power source and the device.
2 Connect the red power wire to the ignition or another manual switch, and connect the switch to the positive
(+) battery terminal if necessary.
3 Connect the black wire to the negative (-) battery terminal or to ground.
4 Connect the power cable to the device, and turn the locking ring clockwise to tighten it.
Connecting the Device to a Transducer
Go to
garmin.com/transducers
transducer for your needs.
1 Follow the instructions provided with your transducer to correctly install it on your boat.
2 Route the transducer cable to the back of your device, away from sources of electrical interference.
3 Connect the transducer cable to the appropriate port on the cradle.
WARNING
or contact your local Garmin dealer to determine the appropriate type of
2
(16 AWG) or larger wire.
2
(22 AWG) wire.
Wire Color
Brown
Blue
Black
Red
5
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