Description
The Speedhut 4-1/2″ 200 km/h EV Speedometer Gauge (FAE45-S3-EV) is a specialized instrument designed to provide accurate speed readings for electric vehicles. Engineered for seamless integration with EV CAN-Bus systems, particularly those utilizing AEM electronic control units (ECUs), this gauge offers a modern and reliable solution for monitoring your EV’s speed performance. By directly communicating with the vehicle’s ECU, it eliminates the need for traditional speed sensors, ensuring precise and real-time data. Its straightforward installation process and included wiring harnesses make it a user-friendly upgrade for any electric vehicle project.
KEY FEATURES AND BENEFITS:
- Speed Display Range: Displays speeds up to 200 km/h for comprehensive speed monitoring.
- CAN-Bus Integration: Operates at a 500K baud rate for accurate and responsive data transfer.
- ECU Compatibility: Designed to work with AEM and other EV CAN-Bus systems.
- Sensor-Free Operation: Eliminates the need for external speed sensors by reading data directly from the ECU.
- Optional Indicators: Supports 12 Volt activated turn signal and high beam indicators.
- Installation Accessories: Includes EV CAN Jumper Harness, EV CAN Harness, and 3 ft Power & Lighting Harness for simplified setup.
SPECIFICATIONS:
- Gauge Type: Speedometer
- Signal Type: CAN-Bus (500K baud rate)
- Range: 0 – 200 km/h
- Size: 4 1/2 inch
- Hole Size: 4.230 inches (108mm)
- Units: Metric (km/h)
- Optional Indicators: 12 Volt Activated Turn Signals, High Beam
- Included: EV CAN Jumper Harness, 3 ft Power & Lighting Harness, EV CAN Harness
HOW TO USE:
- Connect the EV CAN Harness: Plug the provided EV CAN Harness into the appropriate port on your Speedhut gauge.
- Connect to the EV CAN-Bus: Use the EV CAN Jumper Harness to connect the gauge to the EV’s CAN-Bus network (CAN high and CAN low wires at 500K baud rate).
- Connect Power and Lighting: Wire the 3 ft Power & Lighting Harness to a suitable 12V power source and ground to power the gauge and illumination.
- Optional Indicator Wiring: Connect the 12 Volt activated turn signal and high beam indicator wires to your vehicle’s respective outputs if needed.
- Mount the Gauge: Secure the 4-1/2″ speedometer into a 4.230″ (108mm) opening on your dashboard or panel.
- Verify Functionality: Turn on your EV and check that the gauge is displaying accurate speed readings from the ECU.
BENEFITS OF USING THE SPEEDHUT 4-1/2″ 200 KM/H EV SPEEDOMETER GAUGE (FAE45-S3-EV):
- Offers precise and dependable speed monitoring specifically for electric vehicles.
- Removes reliance on traditional speed sensors, reducing complexity and error potential.
- Compatible with AEM and other EV CAN-Bus systems for seamless integration.
- Included harnesses ensure an efficient and user-friendly installation process.
- Optional turn signal and high beam inputs add useful functionality to the gauge.
- Large 4-1/2″ display offers excellent readability for improved driver awareness.
FEATURES:
- 200 km/h Metric Display: Clear and easy-to-read speed representation.
- EV CAN Jumper Harness: Allows quick connection to the vehicle CAN-Bus.
- EV CAN Harness: Ensures stable and secure data transmission.
- 3 ft Power & Lighting Harness: For simple wiring and LED backlight operation.
- Turn Signal Inputs: Accepts 12V signals for blinkers.
- High Beam Input: Supports 12V high beam signal input.
- Standard 4-1/2″ Mounting: Fits most dashboards with a 108mm hole.






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