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ContinuousWave: Small Boat Electrical
E-TEC NMEA-2000 Interface
|Author||Topic: E-TEC NMEA-2000 Interface|
posted 03-18-2012 09:15 AM ET (US)
Today I started to connect my 2012 Evinrude E-TEC 130 to my Lowrance HDS 8. When I located the plug on the port side of the engine and matched it up with the cable plug, they are not a match. I'm wondering if the engine plug I am trying to connect to is the wrong plug. Or if the interface cable is not the right one. The interface cable number is 120-62. I'm thinking [Evinrude] have changed the engine plug over the years. The package I was sent only goes to 2008, but the dealer assured me it is the correct one.
posted 03-18-2012 09:47 AM ET (US)
If you are asking about the NMEA-2000 network connector on the EMM of an 2012 E-TEC outboard engine, the connector is a four-pole flat connector. It has four wires with red, black, blue, and white insulation. I do not believe there has been any change in that connector since 2008 to 2012.
Perhaps you have become confused and located the wrong connector on the E-TEC wiring harness near the EMM. There is also a connector there for the water pressure sensor, as well as a nearby connector for the diagnostic port.
Visit the E-TEC Owners Website to see an article I published there that includes illustrations with callouts that identify the various connectors. See my article in the REFERENCE section on E-TEC rigging to locate the connector.
I don't know precisely what part number you are referring to with your mention of the cable as "120-62." If you are talking about the Lowrance part
Lowrance 120-62 Evinrude Engine Interface
then the connector on the engine-end of the cable should be able to connect to a 2012 E-TEC engine's wiring harness for the NMEA-2000 network port.
My illustrations show the location on the 3.3-liter V6, not on your V4 engine, but I think they should be helpful in identifying the connector on your engine.
posted 03-18-2012 10:54 AM ET (US)
Thanks Jim. I followed your link and took another look at my engine. The connector is under the flywheel cowling on the port side and is the only connector that is not connected but is rather plugged and when removed exposes 3 flat brass prongs and has a black blue and pink wire. I'm not sure how to download pictures but will send a couple to your email.
posted 03-18-2012 12:46 PM ET (US)
I checked in the service manual I have for the V4 E-TEC. It does not show any connectors with a PINK (or SALMON) wire, except the water pressure sensor interface connector, which is a three-wire connector and has RED, BLACK, and SALMON (or PINK) wires.
The service manual shows the usual EMM NMEA-2000 connector, with the usual four-wires of RED, BLACK, BLUE, and WHITE.
You ought to just call Evinrude Customer Service and inquire with them to help located the EMM NMEA-2000 connector.
posted 03-18-2012 12:59 PM ET (US)
I got your email. Most of the pictures were out of focus and I could not make out much. One picture showed a three pin connector with RED, BLACK, and PINK wires. As I explained above, that is the water pressure sensor connector. The reason the Lowrance NMEA-2000 Engine Interface Cable P/N 120-62 will not mate with the water pressure sensor connector is because the two circuits are not intended to be connected. You need to locate the four-pole connector with the RED, BLACK, BLUE, and WHITE wires. This is the circuit which is intended to be connected to the interface cable, and you will find that this circuit has a mating connector.
The images you sent me were all very close-up views of the three pin connector, and they were not of any use in helping identify the location of the four-wire NMEA connnector.
I did not see any connectors with BLUE, BLACK, and PINK wires that you described. Perhaps you got those colors wrong.
You also need to be aware that it is a common practice that there will be a dummy plug connected to the connectors on the wiring harness that are not in use. The dummy plug acts as a dust and water shield and also prevents any electrical connection from occurring accidentally. You may have to remove the dummy plug from the connector in the wiring harness in order to prepare the connector to be mated to the Engine Interface cable you are trying to install.
The connector is probably an Amp Seal-Tite connector. Usually you can deduce the mechanism of release of the connector-connector latch mechanism from a close visual inspection of the connector body. There is typically a flexible plastic latch that is engaged in a small raised strike on the mating connector.
posted 03-18-2012 06:36 PM ET (US)
THANK YOU JIM. Went back and searched all the wiring and following the different colours found the connector pushed back in under the EMM. Wires now all run to the console just have to hook up the power, thanks again
posted 03-18-2012 10:33 PM ET (US)
You are most welcome. It is good to hear you found the connector. If you have more questions about the set-up, you might find my article about my HDS-8 installation to be useful. Most of the features regarding the engine instrumentation should be the same on the HDS-7. See HDS-8 Installation and also HDS-8 Article Index.
posted 03-19-2012 12:04 PM ET (US)
Here are three images that show the E-TEC EMM wiring harness with the connector for the NMEA-2000 interface (on a three-cylinder E-TEC). Thanks to Evagelos Maragos of Greece for publicly posting these excellent and very sharp pictures:
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