Garmin - Power Cable - 8-Pin, for echoMAP Series & GPSMAP Series

Overview

The Garmin 010-11970-00 is an 8-pin power/data cable that connects select echoMAP and GPSMAP chartplotters to DC power and to NMEA 0183 wiring.

At 6 ft (about 1.8 m) long, it has an 8-pin plug on the display end and bare wire leads on the other end for a clean hardwired install behind the helm or at a nav station. Along with power, the lead set supports NMEA 0183 input and output and can be used to trigger a lamp or horn for visible or audible alerts.

Key features

• 6-foot (about 1.8 m) cable for typical helm runs
• 8-pin connector to bare wire leads for straightforward hardwiring
• Carries power and NMEA 0183 input/output on one harness
• Supports connection to an external lamp or horn for chartplotter alerts
• Helpful when replacing a display and keeping existing NMEA 0183 wiring in place

Compatibility and fit

This cable is used on chartplotters with the Garmin 8-pin power/data port. Confirm the port style on the back of your display before ordering.

Compatible models include echoMAP 50dv, echoMAP 50s, echoMAP 70dv, echoMAP 70s, GPSMAP 527xs, GPSMAP 547, GPSMAP 547xs, GPSMAP 741, and GPSMAP 741xs. It is not compatible with echoMAP CHIRP versions.

Electrical and system integration

Connect the power leads to a clean, properly fused DC feed and keep the run as short as practical to limit voltage drop. For longer runs, extend using marine-grade wire sized for the distance and the current draw of your chartplotter.

The NMEA 0183 conductors can be tied into other NMEA 0183 equipment such as a VHF radio or AIS device when your wiring plan calls for it. Match talker and listener connections carefully and keep splices supported and dry inside the console.

Installation and setup

Route the cable with strain relief at the display, avoid sharp bends, and keep it separated from ignition wiring, high-current battery cables, and sources of heat. Leave a small service loop so the unit can be pulled forward for future access.

Terminate bare leads with adhesive-lined heat-shrink connectors and mount any splices where they will not sit in water or collect condensation. On open boats, protect the harness with loom or conduit where it passes through bulkheads and fiberglass.

Use cases on board

This harness fits common installs at the helm, refits where you are keeping an existing NMEA 0183 network, and setups that use an external alarm indicator that can be seen or heard on deck.

It suits boaters who want a direct hardwired power connection and still need NMEA 0183 data wiring and alert wiring without adding separate adapters.

Maintenance and care

During seasonal checks, inspect the plug and terminations for corrosion and for chafe where the harness is tied into the boat. Re-seat the connector if you notice intermittent power or data issues, and replace any terminals that show corrosion inside the crimp.

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Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

If you need warranty service, the claim must follow the process established by the manufacturer, authorized service center, or designated warranty provider. You may be asked for proof of purchase, a serial number, product registration, photos, maintenance or installation records, or other documentation. Apollo Lighting does not determine or modify a manufacturer's warranty coverage or final claim decision, but we are happy to help provide purchase information and direct you to the appropriate manufacturer or warranty resource.

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