Minn Kota | Adapter Cable | Lowrance/Eagle Blue | MKR-US2-10 | 1852060

Product Overview

The Minn Kota | Adapter Cable | Lowrance/Eagle Blue | MKR-US2-10 | 1852060 is a highly dependable, industrial-grade marine connection cable designed to seamlessly link Minn Kota’s built-in Universal Sonar 2 (US2) trolling motor transducers with classic Lowrance and Eagle fishfinders utilizing the legendary "Lowrance Blue" 7-pin connector network. For years, the blue 7-pin connector served as the absolute standard across premium marine electronics ecosystems. Minn Kota’s US2 technology integrates a dual-beam 2D sonar transducer directly into the bottom torpedo housing of the trolling motor, hiding all sensitive components away from underwater rock impacts, stump snags, and thick vegetation. To harness this protected internal transducer without running unsightly and hazardous external wires down your trolling motor shaft, the MKR-US2-10 adapter provides a heavy-duty, factory-calibrated bridge that matches the electrical pinouts of your legacy marine graphs perfectly.

Engineered to survive the rigorous physical demands of tournament fishing, this cable features ruggedized over-molding, heavy-gauge copper wiring, and specialized internal shielding arrays. Trolling motor brushes and digital steering mechanisms emit substantial high-frequency electrical noise, but the comprehensive insulation built into this cable keeps the raw analog sonar returns completely uncorrupted as they travel up the bow to your display screen. The package contains one standalone MKR-US2-10 adapter cable, outfitted with a heavy metal thread-locking collar on the input end and an indexed, blue-molded 7-pin connector with an integrated rubber sealing gasket on the output end. This plug-and-play solution requires no wire stripping, soldering, or marine tape, meaning you can complete your bow electronics installation quickly while preserving the factory warranties and watertight certifications of all your expensive equipment.

Key Features

• Universal Lowrance Blue 7-Pin Matching: Instantly converts the universal output lead of a Minn Kota Universal Sonar 2 (US2) transducer into a standard, blue-coded 7-pin male plug compatible with a wide array of legacy graphs.
• Dual-Beam Sonar Transmission: Flawlessly carries 83 kHz and 200 kHz traditional 2D sonar frequencies, allowing your fishfinder to display wide search cones for bait tracking and narrow cones for bottom separation.
• Continuous Temperature Sensing Integration: Routes thermal data directly from the thermistor embedded inside the trolling motor lower unit straight to your display, allowing for continuous water temperature monitoring.
• Heavy-Duty Interference Isolation Shielding: Built with a full-length internal shield wrap that acts as a barrier against electromagnetic and radio frequency noise generated by the trolling motor power circuits.
• Thread-Locking Metal Connector: Outfitted with an IP67-rated, threaded knurled metal locking nut on the input lead that tightens down securely to eliminate vibration backing, water leakage, and pin oxidation.
• Preserves Original Manufacturer Warranties: Avoids the need to cut or modify factory wiring, keeping your Minn Kota trolling motor and Lowrance fishfinder warranties completely valid.
• Corrosion-Resistant Electrical Leads: Features premium, precision-machined contact pins that maintain maximum signal conductivity and eliminate corrosion in humid boat battery compartments and lockers.

Compatibility Information

The Minn Kota MKR-US2-10 Adapter Cable features extensive backwards compatibility with an expansive library of classic marine devices. On the trolling motor side, it attaches seamlessly to any Minn Kota motor model equipped with the integrated Universal Sonar 2 (US2) transducer cap. This includes designated US2 variations of the Ultrex, Ulterra, Terrova, Fortrex, Maxxum, and Edge bow-mount families.

On the sonar display side, this adapter is engineered explicitly for any fishfinder or chartplotter utilizing the classic Lowrance Blue 7-pin connector port. This includes legendary flagship units such as the Lowrance HDS Gen1, Gen2, and Gen3 series (HDS-5, HDS-7, HDS-8, HDS-9, HDS-10, HDS-12), the HDS Carbon series, the Elite-7 HDI, Elite-9 CHIRP, Hook-5, Hook-7, Hook-9 (legacy series), and older LCX and LMS units. It is also fully compatible with Eagle-branded fishfinders that share the blue 7-pin port structure. Please note that this cable is hardware-limited to traditional 2D sonar and temperature readouts; it cannot pass DownScan, SideScan, or StructureScan data. It is completely incompatible with modern Hook2 or Hook Reveal units (which use 8-pin or 4-pin ports) and does not natively fit newer HDS LIVE or PRO units without an additional Lowrance 7-pin to 9-pin adapter cable.

Frequently Asked Questions

Can I use this MKR-US2-10 adapter cable to display Lowrance DownScan Imaging or StructureScan on my HDS unit?

No, you cannot. The MKR-US2-10 adapter cable and the built-in Minn Kota Universal Sonar 2 (US2) transducer are designed strictly for traditional 2D dual-beam sonar (83/200 kHz) and water temperature data transmission. The transducer housing inside the trolling motor lower unit does not contain the physical high-frequency linear elements required to transmit DownScan or StructureScan imaging. If you require down-imaging or side-imaging from the bow of your boat, you will need to secure a dedicated external Lowrance transducer directly to the exterior of the trolling motor lower unit using a hose clamp bracket kit.

Does this blue 7-pin adapter cable pass water temperature data to my Lowrance fishfinder?

Yes, absolutely. The Minn Kota US2 transducer assembly includes a built-in temperature thermistor sensor placed directly alongside the active sonar crystals in the nose cone. The internal pin configuration of the MKR-US2-10 cable is fully mapped to pass this analog temperature signal directly to the corresponding temperature pin input on your Lowrance graph. Once connected, your HDS or Elite display will automatically recognize the incoming data and provide live surface water temperature readouts directly on your screen overlay.

What is the best way to secure the threaded metal end to ensure it stays watertight?

To establish a completely dry, waterproof seal, locate the metal US2 plug coming out of the top head of your Minn Kota trolling motor. Look inside both the motor lead and the MKR-US2-10 cable end to locate the internal plastic alignment tabs. Align the tabs carefully and press the connectors straight together without twisting, as twisting can bend the gold pins. Once pushed firmly into place, slide the knurled metal locking collar forward over the joint and thread it clockwise onto the motor cable by hand. Tighten it firmly by hand until it seats against the rubber seal ring. Do not use wrenches or pliers, as excessive mechanical force can easily strip the threads or fracture the internal connector housing.

My Lowrance screen is showing horizontal lines and clutter when I turn on the trolling motor prop. How can I clear up the image?

Screen noise or sonar clutter that syncs with your trolling motor acceleration is typically the result of radio frequency or electromagnetic interference. First, ensure that your Lowrance graph is powered by a dedicated starting/cranking battery or a separate house battery, and is never wired to the same deep-cycle battery bank that runs your trolling motor. Second, make sure that the knurled metal locking collar on the MKR-US2-10 cable is screwed on completely tight, as this metal connection provides a critical electrical grounding shield for the internal sonar line. If clutter continues to appear, check the small internal grounding fuse located under the top cover cap of your Minn Kota motor head.

Can I use this adapter cable to connect a newer Lowrance HDS LIVE or HDS PRO unit to my US2 motor?

The MKR-US2-10 features a legacy 7-pin blue male plug, whereas modern Lowrance HDS LIVE, HDS PRO, and Elite FS units feature a black 9-pin sonar port on their rear panels. To connect a US2 transducer directly to those newer 9-pin black ports without any stacking adapters, you should purchase the Minn Kota MKR-US2-14 Adapter Cable instead, which features a native 9-pin black connector. Alternatively, if you already own the MKR-US2-10, you can plug it into a newer 9-pin graph by installing an intermediary Lowrance-manufactured 7-pin to 9-pin transducer adapter cable (Lowrance part number 000-13970-001) in series.