Speedhut 2-1/16" 12K RPM Tachometer (L2-TC5-LEG)
The Speedhut 2-1/16" 12K RPM Tachometer (L2-TC5-LEG) is a precision instrument designed to deliver accurate engine speed readings in a compact and reliable format. Suitable for a variety of vehicles with standard spark plug ignition systems, this tachometer supports engines ranging from 1 to 12 cylinders. The 2 1/16-inch size fits easily into standard 52mm gauge openings, and its 0-12,000 RPM range ensures broad compatibility with performance and daily driver applications. Complete with wiring harnesses and a mounting ring, installation is made straightforward for both professional and DIY use.
KEY FEATURES AND BENEFITS:
Wide Compatibility: Supports 1 to 12 cylinder engines for broad application across many vehicle types.
Accurate RPM Measurement: Displays a full 0–12,000 RPM range for precision monitoring.
Standard Fitment: Compact 2 1/16 inch size fits standard 52mm gauge openings.
Simple Wiring: Includes 3 ft power & lighting harness and 8 ft tachometer harness for easy setup.
Reliable Signal Input: Designed for use with the negative side of the ignition coil or ECU tach output.
Professional Mounting: Includes a secure mounting ring for a flush dashboard installation.
Gauge Type: Tachometer
Compatibility: 1-12 cylinder engines
Range: 0 – 12,000 RPM
Size: 2 1/16 inch
Hole Size: 2.062 inches (52mm)
Internal Shift Light: No
Gauge Mounting Ring: Included
3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
8 ft Tachometer Harness – for LED Lit Gauges (1 Wire 2 Pin Connector)
Prepare the Mounting Location: Ensure a 2.062 inch (52mm) hole exists in the dashboard or gauge pod.
Connect the Power and Lighting Harness:
Red wire to +12V accessory power (switched ignition).
Black wire to chassis ground.
White wire to +12V dash lighting circuit (if gauge illumination is desired).
Connect the Tachometer Signal Harness:
Yellow wire to tach signal source:
Negative (-) side of ignition coil for standard systems.
ECU tach output for compatible ECUs (refer to vehicle wiring diagram).
Mount the Tachometer: Insert into the 52mm hole and secure with the included mounting ring from behind the panel.
Verify Connections: Check all connections are secure and insulated properly.
Test the Tachometer: Start the engine and confirm RPM readings are displayed correctly.
BENEFITS OF USING THE SPEEDHUT 2-1/16" 12K RPM TACHOMETER (L2-TC5-LEG):
RPM Monitoring: Helps avoid engine over-revving and potential damage.
Improved Shifting: Provides accurate RPM data for optimal gear changes in manual transmission vehicles.
Performance Tuning: Enables fine-tuning and peak performance tracking for enthusiast driving.
Compact Fit: Integrates easily into dashboards without occupying excess space.
Hassle-Free Installation: Comes with all necessary wiring and mounting hardware.
Clear 0 to 12,000 RPM scale for immediate engine speed visibility.
Engineered for use with standard spark plug ignition systems.
Compatible with engines from 1 to 12 cylinders.
Compact 2 1/16 inch diameter for flexible mounting options.
Includes dedicated 3 ft power & lighting harness for easy connection.
Comes with an 8 ft tachometer signal harness and secure 2-pin connector.
Secure installation using the included gauge mounting ring.
Product identification
- Brand: Speedhut
- Model / MPN: L2-TC5-LEG




