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Old 24 August 2016, 07:20   #1
Country: UK - England
Town: Banbury
Boat name: G7
Make: Avon
Length: 4m +
Engine: 60hp outboard
Join Date: Aug 2016
Posts: 18
Lowrance LMS330

I've inherited an old unit along with the separate 2000 GPS which doesn't have a cable or plug! Is it possible to get the cable/plug and does this connect to the network socket?

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Old 24 August 2016, 10:39   #2
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
As I recall, the LMS-330 uses the Lowrance blue connector (large format) NMEA2000 connector (the connector diameter will be about a half inch or so in diameter, as opposed to the red, which is a bit larger than 1/4" - the lock ring will determine the color I'm talking about.)

I think the GPS unit (hockey puck looking thingie) connects directly to the head unit, rather than going onto a proper NMEA 2000 network. This changed somewhere along the way, but I'm pretty sure the 330 was before that change.

Installation instructions are on page 30 here (I think - check and make sure it matches yours since the model is different):

To shortcut the installation instructions, you'll connect the power leads (power/data connector on the back), and have a cable between head and GPS units (marked GPS on the head unit, I think.) The network port stays empty.
You may also need to power the NMEA 2K bus as well; I seem to remember having to do one other thing to get it working; but that may have been to pass data to the VHF. Sorry, it's been a while.)


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