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FAQ
Are Fox Marine Engine Gateways and Accessories NMEA 2000 certified?
No, Fox Marine Engine Gateways and Accessories (backbone/drop cables & T-connectors) are not certified by NMEA 2000. The components are designed to be compatible but have not been submitted for certification yet, however Fox Marine plans on proceeding through the certification process as soon as practical.
How many Fox Marine Engine Gateways are required to see data for two engines?
Two separate engine gateways must be purchased and installed, one for each engine.
What engine data is transmitted on the NMEA 2000 network?
MEFI-1,2,3,4 Engine Gateways
Engine # (as determined by DIP switch), Engine RPM, Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Throttle Position (Engine Load), & certain Active Alarms. Oil Pressure is transmitted with the purchase and installation of the optional Oil Pressure Kit.
ECM/PCM 555 Engine Gateways
Engine # (as determined by DIP switch), Engine RPM, Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Throttle Position (Engine Load), Oil Pressure, and Oil Temperature.
MEFI-5/6 Engine Gateways
Engine # (as determined by DIP switch), Engine RPM, Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Throttle Position (Engine Load), Oil Pressure, Oil Temperature, Fuel Pressure, and Engine Torque.
ECM-07/08 Engine Gateways
Engine # (as determined by DIP switch), Engine RPM, Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Engine Load, Oil Pressure, and Engine Torque.
PCM-09 Engine Gateways
Engine # (as determined by DIP switch), Engine RPM, Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Throttle Position (Engine Load), and Oil Pressure.
Why is an optional Oil Pressure Kit required to transmit oil pressure on the NMEA 2000 network?
MEFI-1, 2, & 3 ECMs do not have an input for oil pressure. The ECM has an input for an oil pressure switch which provides verification of oil pressure either greater than or less than ~10psi. Only some MEFI-4 ECMs have an oil pressure input, but that was optional and the sending unit varies between engine manufacturers and models. The Oil Pressure Kit offered as an optional add on is specifically designed to work with our new 5v analog input circuit and associated software to ensure accurate oil pressure readings and an isolated ground for circuit board protection.
What engine data is transmitted wirelessly via BLE (2.4GHz radio) to the Fox Marine MEFI Engine app?
Variations apply for specific ECMs but a typical list includes the following: Engine RPM, Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Manifold Air Temperature, Manifold Pressure, Barometric Pressure, Throttle Percent, Spark Advance, Knock Retard, Cam Retard, IAC Position, Desired Idle RPM, Engine Run Time, various Active and/or Logged Alarms: Engine Overtemp, Low Oil Pressure, Low System Voltage, General Warning 1, General Warning 2
You can also Read and Erase Engine Fault/Trouble Codes using our Fox Marine App (available for download as an iOS App at Apple's App Store and as an Android App at Google's Play Store).
What NMEA 2000 cables are compatible with Fox Marine Engine Gateways and Accessories?
All Fox Marine Engine Gateways and Accessories (backbone/drop cables & T-connectors) are compatible with standard NMEA 2000 and Devicenet micro-c connectors (same as Lowrance red).
What are the instructions for installation and usage?
The following steps are simplified instructions:
1) Mount the engine gateway.
2) Plug in the engine gateway to the diagnostic connector on the engine wiring harness.
3) Plug in a drop cable (from your NMEA 2000 network) to the NMEA 2000 connector on the engine gateway.
4) Start the engine.
5) Power on the NMEA 2000 network.
6) Enjoy engine data on your GPS/MFD & phone/tablet.
Feel free to review the Installation & Operating Instructions PDF for more details.
MEFI-1,2,3,4: https://fox-marine.com/documents/MEFI-1thru4 Fox Marine Installation and Operating Instructions.pdf
ECM/PCM 555: https://fox-marine.com/documents/ECM-PCM-555 Fox Marine Installation and Operating Instructions.pdf
MEFI-5/6: https://fox-marine.com/documents/MEFI-5-6 Fox Marine Installation and Operating Instructions.pdf
ECM-07/08: https://fox-marine.com/documents/ECM-07-08 Fox Marine Installation and Operating Instructions.pdf
PCM-09: https://fox-marine.com/documents/PCM-09 Fox Marine Installation and Operating Instructions.pdf
How long is the cable that connects the engine gateway to the diagnostic connector on the engine wiring harness?
The standard length is 8.5 feet, however custom length cables can be available for sale upon request.
What are the GPS or Multi-function Display requirements to view engine data?
The GPS/MFD must be NMEA 2000 compatible and should specifically list its ability to display engine data. Certain GPS/MFDs even list compatible Parameter Group Numbers which should include PGN127488 "Engine Parameters Rapid Update" and PGN127489 "Engine Parameters Dynamic".
What adapter cable is required to connect Raymarine displays with SeaTalkNG inputs?
Raymarine's Male Devicenet to SeaTalkNG Adapter Cable A06046 makes the connection from your standard NMEA 2000 micro-c drop cable or T-connector to the SeaTalkNG input on the back of your Raymarine display.
What adapter cable is required to connect existing Raymarine SeaTalkNG networks to a Fox Marine Engine Gateway?
Raymarine's Female Devicenet to SeaTalkNG Adapter Cable A06075 makes the connection from Raymarine's SeaTalkNG network to the standard NMEA 2000 connector on the Fox Marine Engine Gateway.
What adapter cable is required to connect Raymarine displays with an older SeaTalk2 (5-pin) input?
Engine data was successfully viewed on a Raymarine C120 with a SeaTalk2 input. Before going into the cable details, it must first be determined whether or not your GPS/MFD even supports engine data. A manufacturer firmware update may be required as well.
There are two methods to achieve the cable adaptation; one involves cutting/splicing, the other does not but costs more.
1) Purchase Raymarine's SeaTalk2 to SeaTalkNG Adapter Cable A06048 and cut off the SeaTalkNG end. Cut the female end off a standard NMEA 2000 micro-c drop cable. Join these two cables by splicing the red, black, blue, white, and bare drain wires together. Soldering and taping is recommended.
OR
2) Purchase Raymarine's SeaTalk2 to SeaTalkNG Adapter Cable A06048, Raymarine's Male Devicenet to SeaTalkNG Adapter Cable A06046, and Raymarine's SeaTalkNG 5 Way Connector A06064. Join the two cables with the 5 Way Connector by pluging into any two of the three white ports.
What adapter cable is required to connect Raymarine displays with an older E-Series Classic input?
Before going into the cable details, it must first be determined whether or not your GPS/MFD even supports engine data. A manufacturer firmware update may be required as well.
There are two methods to achieve the cable adaptation; one involves cutting/splicing, the other does not but costs more.
1) Purchase Raymarine's E-Series to SeaTalkNG Adapter Cable A06061 and cut off the SeaTalkNG end. Cut the female end off a standard NMEA 2000 micro-c drop cable. Join these two cables by splicing the red, black, blue, white, and bare drain wires together. Soldering and taping is recommended.
OR
2) Purchase Raymarine's E-Series to SeaTalkNG Adapter Cable A06061, Raymarine's Male Devicenet to SeaTalkNG Adapter Cable A06046, and Raymarine's SeaTalkNG 5 Way Connector A06064. Join the two cables with the 5 Way Connector by pluging into any two of the three white ports.
Which Motorola ECM/PCMs are compatible with the Fox Marine ECM/PCM 555 Engine Gatway?
All Motorola ECM-555 and PCM-555 variants with the 4-pin diagnostic connector are compatible with the Fox Marine ECM/PCM 555 Engine Gateway. For example, Mercury Marine part numbers ECM5550204, PCMBE0101, PCM0801, PCM0701, and ECM0501 are all compatible. The 4-pin diagnostic connector is sometimes labeled DIAGNOSTICS/DEPTH FINDER.
What MEFI version is my ECM (MEFI-1, 2, 3, or 4)?
If you aren't able to obtain the MEFI version from an email or phone call to the engine manufacturer, then unbolt the ECM mounting bolts (no need to disconnect any wires/connectors) to reveal the sticker with a GM/Delphi model number on the backside of the ECM. Correspond the GM/Delphi model number to the MEFI version below.
MEFI-1: 16159919, 16189069, 16220371, 16234539
MEFI-2: 16210729
MEFI-3: 16237009, 16236999, 12489488, 12489493
MEFI-4: 12569494, 12575479, 88962717, 88962718, 12584052
