1. Introduction
This manual provides essential information for the proper use and maintenance of the Lowrance 000-0124-70 Connector Cap Set. This set of connector caps is specifically designed to protect unused connectors on the back of Lowrance HDS series displays. Constructed from quality materials, these caps ensure durability and are built to withstand the harsh marine environment, safeguarding your valuable marine electronics from dust, moisture, and corrosion.
2. Product Overview
2.1 Key Features
- CAP 1 Connector Cap: Specifically designed for Lowrance HDS series.
- Versatile Protection: Suitable for Ethernet, NMEA2K, Transducer, and Power connections.
- Durable Construction: Made from quality materials for long-lasting protection in marine environments.
- Easy Installation: Designed for quick and straightforward application.
- Corrosion Prevention: Helps prevent corrosion and damage to exposed electrical contacts.
2.2 What's in the Box
- Lowrance 000-0124-70 Connector Cap Set For Hds Series - Cap-1 (Quantity as supplied in the set)

Image: Lowrance 000-0124-70 Connector Cap Set. This image displays the various connector caps included in the set, designed to protect different types of ports on HDS series displays.
3. Setup and Installation
The Lowrance Connector Cap Set is designed for simple and quick installation. Follow these steps to properly install the caps on your HDS series display.
- Identify Unused Ports: Locate any open or unused connector ports on the back of your Lowrance HDS series display. These typically include ports for Ethernet, NMEA2000, Transducer, and Power connections that are not currently in use.
- Select Correct Cap: Choose the appropriate cap from the set that matches the size and shape of the unused port. The set includes various sizes to fit different connector types.
- Clean Port (Optional but Recommended): Before installation, ensure the port is clean and free of any debris, dust, or moisture. A clean, dry cloth can be used for this purpose.
- Install Cap: Gently but firmly push the selected cap onto the corresponding unused port. Ensure the cap is seated fully and securely to provide a tight seal. The caps are designed for a snug fit to prevent accidental dislodgement.
- Verify Fit: Once installed, gently tug on the cap to confirm it is securely attached and will not easily come off during marine operations.
Proper installation ensures maximum protection against environmental elements, extending the lifespan of your display's connectors.
4. Operation
The Lowrance Connector Cap Set serves a passive, protective role. Once installed, their primary function is to safeguard the sensitive electrical contacts of your HDS display's unused ports from external elements. There is no active "operation" required beyond ensuring they remain securely in place.
- Continuous Protection: The caps provide ongoing protection against water, dust, dirt, and corrosive salt spray, which are common in marine environments.
- Removal for Use: If a previously unused port is needed for a new accessory or connection, simply pull the cap off. Reinstall the cap when the port is no longer in use.
5. Care and Maintenance
To ensure the longevity and effectiveness of your Lowrance Connector Caps, follow these simple maintenance guidelines:
- Regular Inspection: Periodically inspect the caps for any signs of wear, cracking, or damage. Ensure they maintain a snug fit on the ports.
- Cleaning: Clean the caps with fresh water and a mild soap solution if they become dirty. Rinse thoroughly and allow them to air dry completely before reinstallation. Avoid using harsh chemicals or abrasive cleaners, as these can degrade the material.
- Storage: If removing caps for extended periods, store them in a clean, dry place away from direct sunlight and extreme temperatures to prevent material degradation.
- Replacement: If a cap becomes damaged, loose, or no longer provides a secure seal, replace it immediately to prevent damage to your display's connectors.
6. Troubleshooting
While the connector caps are simple in design, here are some common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cap does not fit the port. | Incorrect cap size selected for the port. | Ensure you are using the correct cap from the set for the specific port type (e.g., Ethernet, NMEA2000, Transducer, Power). Refer to your HDS display manual for port identification. |
| Cap falls off easily. | Cap is not fully seated, or it is worn/damaged. | Push the cap firmly until it is fully seated. If it still feels loose, the cap may be worn or damaged and should be replaced. |
| Corrosion observed on connector despite cap. | Cap was not properly installed, or it is damaged, allowing moisture ingress. | Remove the cap, clean the connector thoroughly (if safe to do so, consult a professional if unsure), and ensure the cap is installed correctly and securely. Replace the cap if damaged. |
7. Specifications
| Model Number | 000-0124-70 |
| Brand | Lowrance |
| Compatibility | Lowrance HDS Series Displays (Ethernet, NMEA2000, Transducer, Power ports) |
| Item Weight | 0.01 ounces |
| Package Dimensions | 4.2 x 2.5 x 1.7 inches |
| Manufacturer Part Number | 000-0124-70 |
8. Warranty and Support
For specific warranty information regarding your Lowrance 000-0124-70 Connector Cap Set, please refer to the documentation included with your original Lowrance HDS display or visit the official Lowrance website. Warranty terms may vary by region and purchase date.
If you require technical assistance, have questions about compatibility, or need to report a defective product, please contact Lowrance Customer Support:
- Lowrance Official Website: www.lowrance.com
- Customer Support Contact: Refer to the "Support" or "Contact Us" section on the official website for phone numbers, email, or live chat options.
Please have your product model number (000-0124-70) and purchase details ready when contacting support.





