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Home / GPS / Marine / Chartplotters / Fishfinders / Marine Transducers / Marine Power Cables
Power and connect your Garmin marine chartplotter or fishfinder with a genuine Garmin marine cable. ActiveGPS stocks a comprehensive range of power cables, data cables and NMEA 2000 cables for the full Garmin marine range - all listed below.
If you need to connect a transducer, we also stock a full selection of Garmin transducer adaptor cables.
Garmin GPSMAP 451s/551s Sounder Power/Data/Xdcr
£25.99
‣Includes cable with bare power/data wires.
‣Fits GPSMAP 400 and 500 series models with or without a sounder; on non-sounder models the transducer lead is simply not used.
Garmin GPSMAP 720s/750s Power/Data/Sonar Cable (19-pin)
£34.99
‣Includes cable with bare power/data wires.
‣Includes sounder/transducer connectivity.
Garmin 8-pin to 4-pin Sounder Adapter Cable
£17.99
‣Includes 4-pin cable with bare power wires.
‣Cable length is 1.8 metres (6 foot).
Garmin echoMAP/STRIKER Power/Data Cable (4-pin)
£21.99
‣Includes cable with bare power/data wires.
‣Cable length 6 feet (1.82 metres).
Garmin 4-Pin Threaded Power/Data Cable
£21.99
‣Includes cable with bare power/data wires.
‣Cable includes 6 foot (2metres) power/data cable and NMEA 0183 inputs/outputs
Garmin 8-Pin 3 Amp Power/Data Cable
£25.99
‣Includes cable with bare power/data wires.
‣Use with NMEA 0183 devices and a lamp or horn for visible or audible alerts.
Garmin 8-Pin 6 Amp Power/Data Cable
£21.99
‣Includes cable with bare power/data wires
‣GPSMAP 8-Pin 6 Amp Power/Data Cable
‣Use with NMEA 0183 devices and a lamp or horn for visible or audible alerts.
£19.99
‣Supply power to your Garmin NMEA 2000 with this genuine Garmin NMEA 2000 bare hardwire power cable.
Deliveries
We offer UK, Europe and Worldwide deliveries. We despatch orders at 4:30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 3:00pm. When possible we may despatch orders received after that time. No orders are despatched on Saturday, Sunday or Bank Holidays in England and Wales.
We offer FREE UK delivery on all orders of £50.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.
Garmin transducers are compatible with a wide range of Garmin ECHOMAP, GPSMAP and Striker chartplotters and fishfinders. Once connected, they provide a live view of what lies beneath your boat. ActiveGPS stocks the very latest Garmin transducers, including models that show not only what's directly below but also to the sides and in front of your vessel using ClearVü, SideVü and RealVü 3D Forward sonar technology.
To find the perfect transducer for your Garmin chartplotter or fishfinder and your specific boat, we recommend completing our online transducer selection form. If you already know which transducer you need, you can browse the full range of Garmin transducers available from ActiveGPS.
Why Buy from ActiveGPS?We are official authorised Garmin Internet Retailers, offering genuine Garmin products, accessories, and maps. All our stock is purchased directly from assigned Garmin UK distributors - we do not source from the grey market and never sell counterfeit products.
When you buy from ActiveGPS.co.uk, you can be confident that you’ll receive full Garmin support and the peace of mind that comes with purchasing authentic, reliable products.
This page was last updated on: 25th September 2026
