Transducers

The Garmin GT20-TM is the most common transducer included with quite a few Garmin fish finders. There actually are two versions for it, the 010-01960-00 which has a 4-pin connector, and the 010-01960-01 featuring an 8-pin connector. The page here links to the 010-01960-00, the one with 4-pin. Both have 20 ft. (6 m) of cable, a transom mount (that's what the "TM" stands for), … [Read more...] about Garmin GT20-TM Transducer