Description
The Speedhut 3-3/8″ EV AEM 200 km/h Speedometer Gauge (FAE3-S3-EV) is a precision-engineered instrument designed specifically for electric vehicles. This metric speedometer integrates seamlessly with your EV’s CAN-Bus system at a 500K baud rate, receiving accurate speed readings directly from the vehicle’s ECU. By eliminating the need for traditional speed sensors, it simplifies installation and improves reliability. Featuring a standard 3-3/8 inch (85mm) size and a speed range up to 200 km/h, it ensures accurate and dependable speed monitoring for enhanced EV performance and awareness.
KEY FEATURES AND BENEFITS:
- Direct CAN-Bus Integration: Connects to your EV’s CAN-Bus system (500K baud rate) to obtain real-time speed data from the ECU.
- Precision Speed Display: Clearly displays vehicle speed up to 200 km/h in metric units.
- Sensor-Free Installation: Eliminates the need for traditional wheel or driveshaft speed sensors.
- Standard Size Compatibility: Fits a standard 3-3/8 inch (85mm) mounting hole, common in many dashboards.
- All Harnesses Included: Comes with EV CAN Harness, EV CAN Jumper Harness, and a 3 ft Power & Lighting Harness for simple installation.
SPECIFICATIONS:
- Gauge Type: Speedometer
- Signal Type: CAN-Bus (500K baud rate)
- Range: 0-200 km/h
- Size: 3 3/8 inch (85mm)
- Hole Size: 3.33 inches (85mm)
- Standard or Metric: Metric
- Included:
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
- EV CAN Jumper Harness
- EV CAN Harness
HOW TO USE:
- Connect the EV CAN Harness: Plug the provided EV CAN Harness into the appropriate port on your EV’s CAN-Bus system.
- Connect the EV CAN Jumper Harness: Use it to link the EV CAN Harness and the Speedometer gauge.
- Connect the Power & Lighting Harness: Attach the harness to the gauge’s terminals and connect the power and ground wires to your vehicle’s system. Connect lighting wires if needed.
- Mount the Speedometer: Fit the 3-3/8 inch gauge into a 3.33-inch (85mm) hole on your dashboard and secure it with the included hardware.
- Verify Functionality: Power on your EV and check that the gauge displays your current speed using the CAN-Bus data.
BENEFITS OF USING THE SPEEDHUT 3-3/8″ EV AEM 200 KM/H SPEEDOMETER GAUGE (FAE3-S3-EV):
- Accurate Speed Monitoring: Direct ECU data access ensures precision without calibration drift.
- No External Sensors Required: Simplifies wiring and setup by removing traditional speed sensors from the equation.
- Quick Installation: All required wiring harnesses are included for a streamlined setup process.
- Modern Dashboard Appearance: Clean, integrated look without bulky sensors or modules.
- Improved Driving Awareness: Real-time speed feedback helps you maintain control and legal compliance while driving.
FEATURES:
- Directly reads speed data: Connects to EV’s ECU using CAN-Bus protocol.
- 500K baud rate communication: Supports efficient and stable data transmission.
- Purpose-built for EVs: Engineered with electric vehicle systems in mind.
- Displays in km/h: Metric speed range from 0 to 200 km/h.
- Fits standard gauge slots: 3-3/8 inch (85mm) size fits most dashboards.
- Comes fully equipped: Includes necessary harnesses for power, lighting, and CAN-Bus connectivity.
- Simplified installation: CAN-Bus connection reduces wiring complexity.
- Accurate and reliable readings: Offers consistent, ECU-sourced speed monitoring.






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