NMEA connection form Garmin 126SV to Yamaha F175

  • HMoshier
    Posts: 120
    February 1, 2025 at 11:19 am #2314429

    Looking at adding a NMEA network to my boat. I’ve searched the web but can’t seem to find exactly what I need. I know I need a Yamaha cable (not sure it the motor has one already or where it would be routed in my MX1825) and a Garmin cable. But what is needed in-between? This there a “black box” or only a “T”?

    Does the Garmin get power from the network? I currently have it powered by a separate 14vdc lithium. If the motor is powered by a starting battery, can I use still the 14vdc lithium to power the Garmin or will that cause issues? (I’m thinking, yeah, it will)

    First time looking into this and I don’t want to fry anything in the process.

    dandorn
    M.I.N.N.E.S.O.T.A.
    Posts: 3229
    February 1, 2025 at 1:05 pm #2314464

    Under the cowling you will see a white block connector with either a white cap on the block or a wire with block attached to it.

    I’d start there.

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