Can I Connect Two Garmin Fish Finders To One Transducer?

Can I Connect Two Garmin Fish Finders To One transducer

Anglers who run as professionals in the fishing industry won’t stop at just fish finders because they may need more than one in such huge water bodies to get the desired results. But as the fish finders get more and more on the same boat, there are several technical questions that may arise in an angler’s mind. For instance, if you are a Garmin lover and you bought two of their fish finders, you may think can I connect two Garmin fish finders to one transducer?

It’s okay to get these questions in your mind but it is not advisable to experiment with equipment that expensive. That is why one should always seek a professional’s advice when it comes to the handling of expensive equipment.

A registered administrator can run two fish finders on the same transducer but on different frequencies. However, you still cannot run both at 200 kHz. If you want to operate both of them simultaneously one must run at eighty-three kHz, and the other should operate at fifty kHz. One model like Nmea 2000 is capable of running two of the fish finder’s display monitors of any brand you prefer on the same transducer

Can I Connect Two Garmin Fish Finders To One Transducer?

It is almost impossible to run two Garmin fish finders on the same transducer and there are a variety of reasons for this. First, it is always unlikely to operate both of the chirp units simultaneously, as we know the 2D fish finders can be set manually by the angler at multiple frequencies.

Can I Connect Two Garmin Fish Finders To One transducer

Similarly, the fish finders with side imaging and down imaging features operate at the frequencies of four-hundred and gift-five and eight hundred kHz, which are also adjustable manually. Though the chirp units produced by Garmin have some areas to work with and are flexible in their settings. Therefore, it may be possible to run one chirp fish finder and the other fish finder can be non-chirp if they have to be operated on the same transducer. How to Read Garmin Fish Finder?

How Do I Connect Two Garmin Fish Finders?

Anglers connect Garmin fish finders with Echomap devices to share the data between them. However, you must remember that this feature will not work with Echomap plus 70/90 devices. However, these devices can be connected to NMEA devices only via their blue and brown wires.

Only compatible Garmin devices can be connected to Echomap 40/60 devices to allow users to share data, for instance, waypoints. If both of the fish finders are mounted next to each other then you can make a suitable connection with the device via blue and brown wires. However, if the device and fish finders are mounted at a distance so that you do not have enough wire to connect them, then you can opt for a User data Sharing cable.

To connect:

  1. Be considerate about the devices they must be connected on the same ground.
  2. If the mounted devices are close to each other then take the blue wire from the first device to the brown wire of the second device, and connect the blue wire of the second device with the brown wire of the first device.
  3. If the mounted devices are present at a distance then use a user data sharing cable, and then connect the devices as per the instructions present in the User data sharing cable wiring figure.
  4. Now look for these options on both devices:

Nav info > Manage Data > User Data Sharing

Now the anglers are capable of seeing the shared user data among the connected devices. If you select the option “Clear User Data” then the data is removed from both of the connected devices.

Is Garmin A Good Fish Finder?

One of the best Garmin fish finders is the Garmin ECHOMAP UHD 94SV. It offers multiple services and options in its settings like ClearVu, high-definition sonar beams, Livescope with a detailed view, and a digital custom color display. These features make this version of Garmin fishfinder the best among all. However, when we compare Garmin fish finders with the Lowrance fish finders, the Lowrance ones always win the race.

This is because they always come up with new up-to-date technology and with excellent customer service. When it comes to the recommendation by the professional anglers they always go for the Lowrance, and not for the Garmin ones. But Lowrance fish finders are quite expensive as compared to the Garmin ones. So, if you’re a beginner or a noob you can go for Garmin ones initially.

What Is The Difference Between Garmin 93sv and 94sv?

Both of the fish finders are manufactured by the Garmin productions, and as they are two different versions there is a slight difference between them. In my opinion, the major difference between the two fish finders (EchoMap chirp 93 SV and 94 SV) is that the 93sv has the default settings for LakeVu high definition feature that contains a comprehensive guide about the inland maps. On the other hand, the 94 SV comes with the preloaded feature of BlueChart (R g2) which is a detailed explanation for coastal maps.

How To Connect 2 Fish Finders To One Transducer?

It is not recommended by any fishfinder manufacturers to run two fish finders simultaneously on the same transducer. However, there can be several transducers available on a single boat. Though the installation of many transducers in a single boat is not recommended, it’s possible. For that to happen it is compulsory to maintain a frequency difference of 50 kHz between the two operating transducers. It is necessary to maintain the frequency difference to avoid interference caused by the same frequency otherwise.

Can You Run Two Fish Finders At The Same Time?

When two units run at the same frequency, turbulence and interference can occur. That is why it is not recommended to operate the two fish finders at the same time. However, modern fish finders are producing high-tech equipment which makes it possible to operate fish finders at the same frequencies under certain conditions. With such modern fish finders, you can even operate them simultaneously on the opposite sides of the boat.

Can You Run Two Transducers At The Same Time?

Though I won’t recommend installing multiple transducers on a single boat, it is not impossible. To install multiple transducers and operate them on the same boat simultaneously there must be a difference of fifty kHz between their frequencies. This difference is crucial to avoid and diminish the interference usually caused by the same frequencies.


Transducers are tricky apparatus of any fish finder and for an angler, it is vital to understand if they can operate them simultaneously or not and at what frequencies? If you use two transducers of the same frequency, they will interfere with each other’s frequencies and it can be only prevented at a certain depth.

One can make two transducers work together in shallow waters if they are operated at a sufficient distance from each other. However, to diminish the interference to its maximum it is important to set both of the units at different frequencies with a minimum difference of 50 kHz.

Ricki Cooper

I have been fishing for 11 years. I believe in the famous saying "If fishing is interfering with your business, give up your business".

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