Description
The Speedhut 2-5/8" Dyjonet 10-18 Air/Fuel Wide Band Gauge (L25-WB5-LEG) is a precise instrument engineered to provide accurate real-time monitoring of your engine’s air/fuel ratio. Designed for seamless integration with Dynojet Commander 2 wideband controllers, this gauge offers a clear analog display of AFR values ranging from 10 to 18. Its 2 5/8 inch size ensures it fits standard gauge pods, while the included wiring harnesses simplify the installation process for LED-illuminated setups. This gauge is an essential tool for anyone looking to optimize engine performance and ensure proper fuel mixture.
KEY FEATURES AND BENEFITS:
- Accurate Air/Fuel Monitoring: Provides precise readings of your engine’s air/fuel ratio, crucial for tuning and performance optimization.
- Dynojet Commander 2 Compatibility: Specifically designed to work with Dynojet Commander 2 wideband controllers, ensuring reliable and direct data interpretation.
- Clear Analog Display: The 2 5/8 inch analog display offers easy readability of air/fuel ratio values between 10 and 18.
- Simplified Installation: Comes with an 8 ft tachometer harness (1 Wire 2 Pin Connector) and a 3 ft power & lighting harness, both designed for LED-lit gauges, facilitating a straightforward wiring process.
- Optimal Size: The 2 5/8 inch (66mm) diameter fits common gauge mounting solutions, and it requires a 2.67 inch (68mm) mounting hole.
- LED Illumination Ready: Designed for use with LED lighting systems, enhancing visibility and aesthetics within your vehicle’s interior.
SPECIFICATIONS:
- Gauge Type: Air/Fuel Gauge
- Gauge Subtype: Air/Fuel Wideband Gauge
- Controller Compatibility: Dynojet Commander 2
- Range: 10-18 AFR
- Size: 2 5/8 inch (66mm) Diameter
- Mounting Hole Size: 2.67 inches (68mm)
- Input Voltage: 0 volts (for AFR 10) to 5 volts (for AFR 18)
- Included:
- 8 ft Tachometer Harness – for LED Lit Gauges (1 Wire 2 Pin Connector)
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Mount the Gauge: Locate a suitable 2.67 inch (68mm) diameter hole in your desired mounting location and secure the Speedhut gauge using its mounting hardware.
- Connect to the Dynojet Commander 2: Connect the appropriate signal wire from your Dynojet Commander 2 wideband controller to the input signal wire of the Speedhut gauge. This will typically be an analog output signal (0-5V corresponding to 10-18 AFR). Refer to the wiring diagrams for both the Speedhut gauge and the Dynojet Commander 2 for specific wire identification.
- Connect the Power Harness: Connect the 3 ft power & lighting harness to a suitable 12V power source in your vehicle. Ensure proper grounding. This harness will power the gauge’s operation and the LED illumination.
- Connect the Lighting (if applicable): Utilize the power & lighting harness to connect the gauge’s LED lighting to your vehicle’s lighting system if you desire the gauge to illuminate with your headlights or other interior lights.
- Connect the Tachometer Harness (if needed for other gauges): The included 8 ft tachometer harness (1 Wire 2 Pin Connector) is provided as a standard harness for Speedhut’s LED-lit gauges. While this specific air/fuel gauge doesn’t directly use a tachometer signal, this harness might be used for powering the LED illumination. Ensure you connect it according to the wiring instructions.
- Verify Functionality: Once all connections are made, start your vehicle and observe the gauge’s readings. The gauge should display the current air/fuel ratio as reported by the Dynojet Commander 2.
BENEFITS OF USING THE SPEEDHUT 2-5/8" DYJONET 10-18 AIR/FUEL WIDE BAND GAUGE (L25-WB5-LEG):
- Engine Tuning Precision: Provides the vital air/fuel ratio data needed for accurate engine tuning, leading to optimized performance, fuel efficiency, and reduced emissions.
- Early Problem Detection: Allows you to identify potentially harmful lean or rich conditions before they cause engine damage.
- Seamless Integration: Designed specifically for Dynojet Commander 2 systems, ensuring hassle-free compatibility and reliable data.
- Clear and Instant Feedback: The analog display offers a quick and easy-to-understand representation of your engine’s air/fuel status.
- Enhanced Interior Aesthetics: The LED-lit design integrates smoothly with other illuminated gauges in your vehicle.
- Straightforward Installation: The inclusion of specific wiring harnesses simplifies the connection process, especially for LED lighting.
FEATURES:
- Analog Display: Presents air/fuel ratio in a traditional, easy-to-read format.
- Direct Dynojet Commander 2 Interface: Engineered for plug-and-play compatibility with specified controllers.
- Compact 2 5/8" Size: Fits into standard gauge pods and mounting locations.
- Included Wiring: Comes with dedicated harnesses for power, lighting, and potential tachometer signal (for LED power).
- Requires 2.67" Mounting Hole: Standard size for easy installation.
- 0-5V Input Range: Matches the analog output of compatible Dynojet controllers.






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