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Learn more about installing a Garmin GSD 24 black box sounder with a transducer that is already installed on the boat using the transducer adapter box.

journeyx Reviewed by journeyx on 8th December 2016. Installing a Garmin GSD 24 with Transducer Adapter Box https://www.youtube.com/watch?v=MvGnoRQZXtU Learn more about installing a Garmin GSD 24 black box sounder with a transducer that is already installed on the boat using the transducer adapter box. Rating: 5