Description

The Speedhut 2-5/8" 16K RPM Shift-light Tachometer (R25-TC8-REV) is a precision instrument designed to provide accurate engine speed readings for a wide variety of vehicles. Its clear display and integrated shift light allow drivers to monitor their engine’s performance effectively. The included wiring harnesses and mounting hardware ensure a straightforward installation process. This tachometer is a valuable addition for anyone looking to closely track their engine’s revolutions per minute.

KEY FEATURES AND BENEFITS:

• Accurate RPM readings: Provides readings up to 16,000 for precise engine monitoring.
• Internal shift light: Helps drivers optimize shift points.
• Compatibility: Works with standard spark plug ignition systems for versatile use.
• Engine range: Supports 1 to 12 cylinder engines for broad application.
• Compact size: 2 5/8 inch gauge is easy to read yet space-saving.
• Secure installation: Includes a mounting ring for simple and stable mounting.
• Wiring harnesses included: Comes with a 3 ft Power & Lighting Harness and an 8 ft Tachometer Harness for easy wiring.
• Unit support: Displays readings in both Metric and Standard units.

SPECIFICATIONS:

• Gauge Type: Tachometer
• Range: 0-16,000 RPM
• Size: 2 5/8 inch (66.7 mm)
• Hole Size: 2.68 inches (68 mm)
• Internal Shift Light: Yes
• Compatibility: 1-12 cylinder engines
• Tachometer Signal Type: Standard spark plug ignition systems
• Included:
  • 3 ft Power & Lighting Harness
  • 8 ft Tachometer Harness
  • Gauge Mounting Ring

HOW TO USE:

• Mount the Gauge: Select a suitable location on your dashboard or instrument panel and drill a 2.68-inch (68mm) hole. Secure the tachometer using the included mounting ring.
• Connect the Power Harness: Attach the 3 ft Power & Lighting Harness. Connect the red wire to a switched 12V power source, the black wire to ground, and the additional wire (often orange or white) to your vehicle’s lighting circuit for illumination with headlights. Refer to your vehicle’s wiring diagram for exact connections.
• Connect the Tachometer Signal Harness: Connect the 8 ft Tachometer Harness to the back of the tachometer. Connect the other end to the negative (-) terminal of the ignition coil or the designated tachometer output signal wire from your vehicle’s ECU.
• Ground the Gauge: Ensure a clean ground connection by attaching black wires to an unpainted metal part of the vehicle chassis.
• Configure for Your Engine: Set the number of cylinders or pulses per revolution using the switch or programming sequence as detailed in the Speedhut manual.
• Test the Operation: Start the engine and verify the tachometer reads RPM correctly and that the shift light illuminates at the desired RPM.

BENEFITS OF USING THE SPEEDHUT 2-5/8" 16K RPM SHIFT-LIGHT TACHOMETER (R25-TC8-REV):

• Precise Engine Monitoring: Provides real-time RPM data crucial for performance and maintenance.
• Optimized Shifting: Integrated shift light signals optimal gear changes, maximizing acceleration and preventing engine over-revving.
• Broad Compatibility: Supports engines with 1 to 12 cylinders using standard ignition systems.
• Easy Installation: Comes with necessary wiring harnesses and mounting ring for hassle-free setup.
• Clear Display: The 2 5/8 inch gauge size ensures visibility during driving.
• Enhanced Vehicle Info: Adds vital instrumentation to better understand vehicle performance.
• Unit Flexibility: Supports both metric and standard units.

FEATURES:

• Displays engine speed up to 16,000 RPM for high-performance applications.
• Incorporates an internal LED shift light adjustable to a specific RPM.
• Utilizes a standard spark plug ignition system signal for easy connection.
• Compatible with 1 to 12 cylinder engines.
• Compact 2 5/8 inch (66.7 mm) diameter size for versatile mounting.
• Requires a 2.68 inch (68 mm) mounting hole.
• Includes a spin-lock gauge mounting ring for secure installation.
• Ships with a 3 ft power & lighting harness for electrical and illumination connections.
• Includes an 8 ft tachometer harness (single wire with 2-pin connector) for RPM signal input.
• Supports both standard and metric unit displays.