About the Garmin Power/Data CableThis Garmin Power/Data Cable has bare wires at the end so you can hard wire your GPS or fishfinder directly to a DC power source or some other electronic device. This allows you to send speed and position data to devices such as a chartplotter, computer, auto pilot, radar, etc. Compatible with GPSMAP® 178 Sounder and GPSMAP® 178C Sounder
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- CP Category:
- Requires FFL: