Description
The Speedhut 2-1/16″ Spartan 10-20 Air/Fuel Gauge Wide Band (L2-WB4-LEG) is a wideband gauge designed to provide accurate monitoring of your engine’s air-fuel ratio. With a display range of 10 to 20 AFR, this gauge allows you to keep a close eye on your engine’s combustion mixture for optimal performance and efficiency. This gauge is specifically designed for use with the Spartan Lambda Controller. Its classic styling and LED illumination make it a functional and visually appealing addition to your vehicle’s instrumentation.
KEY FEATURES AND BENEFITS:
- Provides accurate wideband air-fuel ratio readings from 10 to 20.
- Specifically designed for compatibility with the Spartan Lambda Controller.
- Standard 2-1/16 inch (52mm) size for easy installation in common gauge pods.
- Features LED illumination for clear visibility.
- Includes necessary wiring harnesses for power and lighting.
SPECIFICATIONS:
- Gauge Type: Air/Fuel Gauge
- Gauge Subtype: Air/Fuel Wideband Gauge
- Controller Compatibility: Spartan Lambda Controller
- Range: 10-20
- Size: 2 1/16 inch
- Hole Size: 2.062″ (52mm)
- Input Voltage: 0 volts to 5 volts
- Ships With: 8 ft Tachometer Harness – for LED Lit Gauges (1 Wire 2 Pin Connector)
- Ships With: 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Preparation: Ensure you have a compatible Spartan Lambda Controller installed and properly connected to a wideband oxygen sensor (sold separately).
- Mounting the Gauge: Mount the Speedhut 2-1/16″ Classic Air/Fuel Gauge in a suitable 2-1/16 inch (52mm) gauge pod or mounting location.
- Wiring the Gauge: Connect the 3 ft Power & Lighting Harness to a suitable power source (typically 12V switched) and ground in your vehicle. This harness will also power the LED illumination.
- Connecting the Signal: Connect the signal output from the Spartan Lambda Controller to the input of the Speedhut Air/Fuel Gauge using appropriate wiring (note the 0-5V input requirement of the gauge).
- LED Lighting Connection: Connect the 8 ft Tachometer Harness to the gauge for LED lighting functionality.
- Testing: Once all connections are secure, turn on your vehicle’s ignition. The gauge should illuminate and display the air-fuel ratio reading provided by the Spartan Lambda Controller.
BENEFITS OF USING THE SPEEDHUT 2-1/16″ SPARTAN 10-20 AIR/FUEL GAUGE WIDE BAND (L2-WB4-LEG):
- Provides a clear and accurate visual representation of your engine’s air-fuel ratio.
- Enables precise monitoring of lean and rich conditions, crucial for engine tuning and diagnostics.
- Facilitates optimization of fuel efficiency and engine performance when used in conjunction with a tuning process.
- Helps identify potential engine issues related to fuel delivery or combustion.
- Offers a classic aesthetic with LED illumination that complements various interior styles.
FEATURES:
- Displays a wide range of air-fuel ratios from 10 to 20.
- Designed specifically to receive signal input from the Spartan Lambda Controller.
- Compact 2-1/16″ (52mm) diameter for versatile mounting options.
- Illuminated display for easy readability in various lighting conditions.
- Utilizes a 0-5 volt input signal for AFR data.
- Includes a dedicated power and lighting harness for straightforward electrical connections.
- Comes with an additional harness for LED lighting integration.






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