Garmin Connect

How To Connect Two Garmin Chartplotters?

Have you ever found yourself struggling to connect two Garmin chartplotters? It can be a real headache, especially if you’re not tech-savvy. The good news is that you’re not alone. Many people face the same problem and are looking for a solution.

As someone who works for a website that reviews thousands of wearable products, I’ve come across this issue quite often. I’ve seen people struggle to connect their Garmin devices, and it can be frustrating. But I’ve also seen that there are ways to solve this problem, and it doesn’t have to be complicated.

In this article, I’ll share with you some tips and tricks on how to connect two Garmin chartplotters. Whether you’re a beginner or an experienced user, I think you’ll find some useful information here. So, if you’re ready to learn how to connect your Garmin devices, keep reading!

How To Connect Two Garmin Chartplotters?


Garmin Chartplotters are an essential tool for navigational purposes. They provide accurate information about the waterways, including depth, obstacles, and other crucial data. If you have two Garmin Chartplotters, you can connect them to share data and improve your navigational experience. In this article, we will guide you on how to connect two Garmin Chartplotters.

Understanding Garmin Chartplotters

Before we dive into the process of connecting two Garmin Chartplotters, let’s understand what they are. A Garmin Chartplotter is a device that combines GPS technology with electronic charts to provide navigational data. It is a powerful tool that can help you navigate through unfamiliar waters with ease.

Why Connect Two Garmin Chartplotters?

Connecting two Garmin Chartplotters can provide several benefits. Firstly, it allows you to share data between the two devices, such as routes and waypoints. Secondly, it can improve the accuracy of your navigational data by cross-referencing information between the two devices. Lastly, it provides redundancy in case one device fails.

Steps to Connect Two Garmin Chartplotters

1. Check Compatibility: Before you start, ensure that the two Garmin Chartplotters are compatible with each other. You can check the compatibility by referring to the user manual or contacting Garmin customer support.

2. Connect the NMEA 2000 Network: Connect the two Garmin Chartplotters using an NMEA 2000 network. You will need an NMEA 2000 T-connector, backbone cable, and drop cables. Connect the T-connector to the backbone cable and then connect the drop cables to each Chartplotter.

3. Configure the Network: Once the Chartplotters are connected, you need to configure the network settings. Go to the settings menu and select “Network” or “NMEA 2000”. Follow the on-screen instructions to configure the network.

4. Share Data: Once the network is configured, you can share data between the two Chartplotters. To share data, go to the “Waypoints” or “Routes” menu and select “Share”. Follow the on-screen instructions to share the data.

5. Test the Connection: After sharing the data, test the connection by navigating using both Chartplotters. Ensure that the data is accurate and consistent between the two devices.


Connecting two Garmin Chartplotters can provide several benefits, including improved accuracy and redundancy. The process of connecting the two devices is simple and can be done by following the steps outlined in this article. By connecting two Garmin Chartplotters, you can enhance your navigational experience and explore the waterways with confidence.

FAQs: How To Connect Two Garmin Chartplotters?

1. What are the requirements for connecting two Garmin Chartplotters?

To connect two Garmin Chartplotters, you will need a Garmin Marine Network Cable, a power source, and two compatible Garmin Chartplotters. The Chartplotters should have a network port.

2. How do I physically connect two Garmin Chartplotters?

To physically connect two Garmin Chartplotters, connect one end of the Garmin Marine Network Cable to the network port of one Chartplotter and the other end to the network port of the other Chartplotter. Ensure that the power source is connected to both Chartplotters.

3. How do I configure the Chartplotters after connecting them?

After connecting the Chartplotters, you need to configure them to communicate with each other. On both Chartplotters, go to the Home screen, select Settings, then Network, and then select the Network Configuration option. From there, select the Master option on one Chartplotter and the Slave option on the other. Follow the prompts to complete the configuration.

4. What benefits do I get from connecting two Garmin Chartplotters?

Connecting two Garmin Chartplotters enables you to share data such as waypoints, routes, and tracks between the Chartplotters. This makes it easier to navigate and plan your routes, especially when you have multiple people on board.

5. Can I connect more than two Garmin Chartplotters?

Yes, you can connect more than two Garmin Chartplotters using a hub or switch. This allows you to share data between multiple Chartplotters on your boat. However, you will need to ensure that the hub or switch is compatible with Garmin Chartplotters and that you have enough network cables to connect all the Chartplotters.

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