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Description
The Speedhut 4" 6K RPM Diesel Tachometer (L4-TC8-LEG) is an essential instrument for monitoring the performance of your diesel engine. Designed with a classic 4-inch gauge face, this tachometer provides accurate and real-time readings of your engine's revolutions per minute, up to a maximum of 6,000 RPM. Its versatile compatibility with various diesel signal types, including alternators with 'R' or 'W' terminals, crank sensor signals, and magnetic pulse sensors, makes it a suitable choice for a wide range of diesel vehicles and applications. While this specific model does not feature an internal shift light, its clear and precise display ensures you can easily track your engine's operating range. The gauge is built with a robust design and includes the necessary components for installation in LED-lit configurations.
KEY FEATURES AND BENEFITS:
- Accurate RPM Monitoring: Provides precise readings of your diesel engine's revolutions per minute, allowing for optimal performance and preventing over-revving.
- Wide Diesel Signal Compatibility: Works seamlessly with alternators featuring 'R' or 'W' terminals, crank sensor signals, and magnetic pulse sensors, ensuring broad applicability.
- Clear 4-Inch Display: The easy-to-read 4-inch gauge face allows for quick and effortless monitoring of engine speed.
- Included Wiring Harnesses: Comes equipped with an 8 ft Hertz Tachometer Harness (for LED-lit versions) and a 3 ft Power & Lighting Harness (for LED-lit gauges and clocks), simplifying the installation process.
- Gauge Programming Button: Includes a programming button specifically for LED-lit models, allowing for customization of lighting features.
- Standard and Metric Units: While the primary RPM reading is in standard units, the gauge design may incorporate both standard and metric scales for broader understanding.
SPECIFICATIONS:
- Gauge Type: Tachometer
- Tachometer Signal Type: Diesel (alternator with an 'R' or 'W' terminal, crank sensor signal, magnetic pulse sensor)
- Range: 0 - 6,000 RPM
- Size: 4 inches
- Hole Size: 3.93 inches (100mm)
- Internal Shift Light: No
- Ships With:
- Gauge Programming Button (For LED-Lit gauges)
- 8 ft Htz Tachometer Harness (LED Lit)
- 3 ft Power & Lighting Harness - for LED Lit Gauges and Clocks
HOW TO USE:
- Identify the Appropriate Signal Source: Determine which signal your diesel engine provides (alternator 'R' or 'W' terminal, crank sensor, or magnetic pulse sensor).
- Mount the Tachometer: Install the 4-inch tachometer into a 3.93-inch (100mm) diameter hole in your desired location. Secure it using the appropriate mounting hardware (typically a spin-lock ring).
- Connect the Wiring Harnesses:
- Connect the 8 ft Hertz Tachometer Harness to the designated terminals on the tachometer and to the appropriate output signal from your diesel engine (alternator, crank sensor, or magnetic pickup).
- Connect the 3 ft Power & Lighting Harness to a suitable power source (typically 12V) and ground, as well as to the tachometer for its operation and illumination (if applicable).
- Use the Programming Button (for LED-lit gauges): If your model features LED illumination, use the included Gauge Programming Button to customize the lighting settings according to your preference. Consult the Speedhut documentation for specific programming instructions.
- Verify Operation: Once all connections are secure, start your engine and observe the tachometer to ensure it is reading the engine's RPM accurately.
BENEFITS OF USING THE SPEEDHUT 4" 6K RPM DIESEL TACHOMETER (L4-TC8-LEG):
- Optimize Engine Performance: By accurately monitoring RPM, you can ensure your engine is operating within its optimal range for power and efficiency.
- Prevent Engine Damage: Keeping an eye on the RPMs helps prevent over-revving, which can lead to serious engine damage and costly repairs.
- Improve Driving Experience: Having a reliable tachometer allows for smoother gear changes in manual transmissions and a better understanding of the engine's behavior under different driving conditions.
- Easy Installation: The inclusion of the necessary wiring harnesses simplifies the installation process, especially for LED-lit models.
- Enhanced Vehicle Aesthetics: The classic 4-inch gauge design can complement the interior of a variety of vehicles.
FEATURES:
- Versatile Signal Input: Accepts signals from various diesel engine components, ensuring broad compatibility.
- Programming Capability (LED Models): Allows customization of the gauge's illumination.
- Standard Mounting: Designed for straightforward installation in a 3.93-inch (100mm) hole.
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