echo™ Series Speed Sensor010-10279-04The speed sensor that Garmin had originally recommended for use with the echo 200, 300c, 500c and 550c was a 7-pinspeed sensor (010-10279-02) that required the use of a 4-pin to 7-pin adapter cable (010-11616-00). In an effort to helpstreamline the installation of the speed sensor for the echo series, Garmin will soon be offering a new 4-pin speed sensordesigned exclusively for compatible echo fishfinders. Simply mount the new speed sensor on the transom of your vessel and connect it to a compatible echo series fishfinder. No adapters needed!
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