Holley - N2k Gateway

Order Quantity Price Per Item
2 $310.00
5 $299.00
Marine Mods CAN-2-CAN Gateway with Holley® Standard to NMEA2000 Protocol comes in two primary configuration options below. This covers all ECU models, however gauges displayed by the Sniper units is limited at this time.

  • Airboat / Off-Road Racing
  • Inboard Marine with Auxiliary Inputs

Each gateway comes with a short M12 to HEFI harness pigtail for ECU side connection. If mounting gateway further away from the ECU, a twisted pair extension cable is required.

* Quantity Discount (2 or more)
In multi-engine applications, one gateway is required per engine to set Instance on the NMEA network. Instance # is set by an internal dip switch. If more than two engines installed, please Contact Us before purchase for a custom instance firmware.

* Installation and Updated Instructions In Downloads Tab Above.

Full N2k gauge coverage list in table below. Custom protocol changes available upon request.
HEFI to NMEA2000Air Boat Inboard 
PGN 127488   Notes
Engine Parameter Rapid
Engine SpeedIncludedIncluded
Boost PressureIncludedIncluded
Tilt-Trim PositionN/AIncludedAUX INPUT # 1
PGN 127489   Notes
Engine Parameters   
Oil PressureIncludedIncluded
Oil TemperatureN/AIncludedAUX INPUT # 2
Alternator VoltsIncludedIncludedECU Voltage
Fuel RateIncludedIncluded
Total HoursN/AN/A
Coolant PressureN/AIncludedAUX INPUT # 3
Fuel PressureIncludedIncluded
Percent LoadIncludedIncludedECU Throttle Position
Percent TorqueN/AN/A
Status Indicators    
Check EngineN/AN/A
Over TempIncludedIncludedECU Defined
Low Oil PressureIncludedIncludedECU Defined
Low Oil LevelN/AN/A
Low Fuel PressureIncludedIncludedECU Defined
Low System VoltageIncludedIncludedECU Defined
Coolant LevelN/AN/A
Water FlowN/AN/A
Water In FuelN/AN/A
Charge IndicatorIncludedIncludedECU Defined
Preheat IndicatorN/AN/A
High Boost PressureIncludedIncludedECU Defined
Rev Limit ExceededIncludedIncludedECU Defined
EGR SystemN/AN/A
Throttle Position SensorN/AN/A
Emergency Stop ModeN/AN/A
Warning Level 1IncludedIncludedIAT Alarm
Warning Level 2N/AN/A
Power ReductionN/AN/A
Maintenance NeededN/AN/A
Comm ErrorN/AN/A
Sub or Secondary ThrottleN/AN/A
Engine Shutting DownN/AN/A
PGN 127493   Notes
Transmission Parameters   
GearN/AN/AECU Dependent
Oil PressureN/AN/AECU Dependent
Oil TemperatureN/AN/AECU Dependent
Discrete Status   
Check TransmissionN/AN/A
Over TemperatureN/AN/A
Low Oil PressureN/AN/A
Low Oil LevelN/AN/A
PGN 127505   Notes
Fluid Level   
Fluid TypeN/AN/A
Fluid LevelN/AN/A
Tank CapacityN/AN/A
PGN 127508   Notes
Battery Status   
Battery VoltageIncludedIncludedECU Voltage
Battery CurrentN/AN/A
Battery Case TemperatureN/AN/A
PGN 130310   Notes
Environmental Parameters    
Water TempN/AN/A
Outside Ambient Air Temp.IncludedIncludedIAT Value
Atmospheric PressureIncludedIncluded
PGN 128259   Notes
Speed Water ReferencedN/AN/A
Speed Ground ReferencedN/AN/A
Speed Water Referenced TypeN/AN/A
PGN 130576Notes
Small Craft Status
Port Trim TabN/AOptionalAUX INPUT # 4
Starboard Trim TabN/AOptionalAUX INPUT # 5
  • Availability: 26 In Stock
  • Model: CAN-2-CAN Gateway
  • Brand: Marine Mods Inc

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