Garmin J1939 Cable f/GPSMAP Units - 10m [010-12390-30]

Garmin J1939 Cable f/GPSMAP Units - 10m [010-12390-30]

Marsoni

M251S

$125.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Garmin J1939 Cable f/GPSMAP Units - 10m [010-12390-30]J1939 Cable for GPSMAP Units 10m Connect your GPSMAP 8400 or 8600 series chartplotter to a J1939 network to gain access to features, such as engine or generator monitoring. Like the NMEA 2000 network, the J1939 network follows a standard and uses proprietary messages. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

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I used this as a junction point on a 1 gauge wire. I added an 8 gauge wire to one side, and the cover would not seat. I had to bend and maneuver the ring terminals to make the cover catch. For the price of the items, if used without any secondary wires attached and interior use only, this is an unbeatable deal.

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Reviewed in the United States on January 30, 2026

Verified Purchase

Joe M. Blair

Massapequa, US

★★★★★ 5

Great Quality

Size: 300A

Exactly what I needed. Good quality and worked perfectly.

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Reviewed in the United States on May 21, 2025

Verified Purchase

Junior

Houston, US

★★★★★ 5

Great

Size: 300A, Size: 300A

Easy to install works great and really good quality and clean looking

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Reviewed in the United States on February 24, 2025

Verified Purchase

Bigzbe

Chelsea, US

★★★★★ 5

Nice!

Size: 300A

I was not expecting these to be this nice. You just can't beat the value. They look great and feel like they will hold up a long time. I definitely recommend!

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Reviewed in the United States on July 17, 2024

Verified Purchase

Meeikal

Bozeman, US

★★★★★ 5

Solid choice for fuse holder

Size: 300A Fuse Holder

It’s awesome, solid connections for running 0 gauge wire. No issues after using for months! Might upgrade to using 0 gauge wire ferrules to use with this but for now everything is working well.

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Reviewed in the United States on January 14, 2026