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Author Topic:   Suzuki NMEA-2000 Interface
jimh posted 10-14-2012 09:23 AM ET (US)   Profile for jimh   Send Email to jimh  
If you have a late-model Suzuki outboard engine and have connected the engine to a NMEA-2000 network on your vessel, please tell me the component and part number you used for the adaptor cable to connect the engine's harness to the network.
Hoosier posted 10-15-2012 02:04 PM ET (US)     Profile for Hoosier  Send Email to Hoosier     
Here's the best source I know for Suzuki NMEA 2000 stuff.
jimh posted 10-15-2012 09:24 PM ET (US)     Profile for jimh  Send Email to jimh     
David--Tell me what component you are using. Thanks.
Hoosier posted 10-16-2012 09:41 AM ET (US)     Profile for Hoosier  Send Email to Hoosier     
It's not that simple. Lowrance has now got three generations of NMEA 2000 components out there, Blue, Red, and Black. The original was Blue, they had bayonet twist connectors, second was Red, with screw connectors. Now they are Black, still with screw connectors. I believe the Red and Black are interchangeable, but going from Blue to Red or Black requires and adaptor cable. I think this is what I have on my DF-175

Modular Instrument System Engine Interface
Suzuki DF40 thru DF300 Engine Interface

BUT, it's the Blue version that connects directly into a T in the master bus. The above part number has connectors for the new Black configuration.

My DF-115 is pre-NMEA 2000 so it doesn't have the capability. Lowrance does make a NMEA 2000 interface cable for Yamaha, so I'll be connecting them to the Blue system that came with the 23.

jimh posted 10-17-2012 12:00 AM ET (US)     Profile for jimh  Send Email to jimh     
David--Thanks for the information. If I read it correctly, your SUZUKI DF-175 is connected to your NMEA-2000 network with a Suzuki PN 990C0-88146 cable as shown here:

This cable seems to include a bit of electronics encapsulated into a molded assembly in the cable that is designated as a LOWRANCE EP-20 ENG INTERFACE.

The installation instructions are given here:

NOTE: Although the illustrations in the literature (linked above) shows the older LowranceNET BLUE connectors, the current version of this product uses the newer LowranceNET RED or BLACK connectors, which are the standard NMEA-2000 Micro-C DeviceNET connectors.

The wiring harness on the Suzuki engine end apparently contains two connectors for the following circuits:

--a connector for the TRIM circuit; 2-pole

--a connector for the engine's NMEA-2000 interface; 7-pole

Because of the extra connector for the TRIM circuit and the inclusion of some extra electronics, I make the inference that the SUZUKI engine does not provide any information about TRIM in its NMEA-2000 connection, so Lowrance added that onto the harness and provides it externally.

Hoosier posted 10-17-2012 10:07 AM ET (US)     Profile for Hoosier  Send Email to Hoosier     
Just speculating, but the electronics module built into the cable assembly may combine the trim data with the other NMEA data. I do not have a separate trim gauge, my trim status is displayed on a Suzuki (Lowrance LMF 400) multi-functon gauge which is connected on the NMEA 2000 network. It also shows water depth, speed, and position that it reads from the chartplotter.

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