The steps to do this is quite extensive and I believe are best understood straight from the manual.
Here are links to the fisfinder 160 and 120 if you do not have them.
http://www8.garmin.com/manuals/FishFinder160_OwnersManual.pdf
http://www8.garmin.com/manuals/FishFinder160_OwnersManual.pdf
Hi,
If I may inquire, how many pins on the transducer and on the fishfinder.
Hope to hear from you and pls post back the requested information.
Good luck and kind regards. Thank you for using FixYa.
The reason I asked was because the transducer intended for a 160 should fit the 120. To my knowledge the only difference would be that the capacity of the transducer of the 160 would be overly rated for the output of the 120.
Not unless there is a difference in the pin or the pinouts.A Garmin Fishfinder 120 uses a temperature-sensing 200-kHz transducer, which transmits at 800 watts (peak-to-peak) and 100 watts (RMS) to a maximum depth of 600 feet.
A Garmin Fishfinder 160 uses a temperature-sensing 200-kHz transducer, which transmits at 3200 watts (peak-to-peak) and 400 watts (RMS) to a maximum depth of 900 feet.
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Garmin 145 transducer
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