Garmin GSD 20 Remote Sounder Fishfinder Module W/ Power & Data Cable; Tested

Description

Up for sale is a perfect working used Garmin GSD20 sounder module with long power / data cable. No transducer or display included.
Unit has been updated to the latest software version 3.10. It has been professionally tested with our EDI sonar tester and all functions are normal. Shown operating for demonstration only, display again is not included.
The power connector collar does have a chip out of it, but cable still connects and locks on securely.
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