Description
The Speedhut 2-5/8″ 40-150C Trans Temp Gauge (L25-TT3-LEG) is a reliable instrument designed to provide accurate readings of your vehicle’s transmission fluid temperature. Monitoring this vital metric allows you to proactively manage your transmission’s health, potentially preventing costly damage and extending its lifespan. This gauge operates on the metric scale, displaying temperatures from 40 to 150 degrees Celsius, and features a clear 2-5/8 inch display for easy visibility.
KEY FEATURES AND BENEFITS:
- Accurate Temperature Monitoring: Provides precise readings of your transmission fluid temperature, allowing you to stay informed about its operating conditions.
- Metric Measurement: Displays temperature in Celsius (40-150°C), a widely used standard for temperature measurement.
- Performance Sender Included: Comes equipped with a high-quality 2-wire temperature sender designed for accurate and responsive readings.
- Complete Wiring Included: Ships with all necessary wiring harnesses, including a 3 ft Power & Lighting Harness for LED illumination and a dedicated Temperature Gauge Wiring Harness.
- Easy Installation: Designed with a 2-5/8 inch (68mm) hole size for straightforward mounting in compatible gauge pods or panels.
SPECIFICATIONS:
- Gauge Type: Temperature Gauge
- Gauge Subtype: Transmission Temperature Gauge
- Temperature Sender Type: 2-Wire Temp Sender (Performance)
- Range: 40-150 °C
- Size: 2 5/8 inch
- Hole Size: 2.67 inches (68mm)
- Standard or Metric: Metric
- Warning Light: No
- Included:
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
- Temperature Gauge Wiring Harness (2-Wire Cable)
- Speedhut Temperature Sensor
HOW TO USE:
- Mount the Gauge: Secure the 2-5/8 inch gauge in your desired location using the appropriate mounting hardware (typically a gauge pod or panel with a 68mm opening).
- Install the Temperature Sensor: Locate a suitable port on your vehicle’s transmission pan or fluid line. Install the included 2-wire temperature sensor in this location, ensuring a secure and leak-free connection.
- Connect the Sensor Wiring: Route the Temperature Gauge Wiring Harness from the installed sensor to the back of the gauge, connecting the wires according to the gauge’s wiring diagram.
- Connect Power and Lighting: Attach the 3 ft Power & Lighting Harness to the gauge. Connect the power wire to a switched 12V power source in your vehicle, the ground wire to a suitable ground point, and the lighting wire to your vehicle’s headlight or dimmer circuit if desired for illumination control.
- Verify Functionality: Once all connections are made, start your vehicle and observe the gauge to ensure it is receiving power and displaying the transmission temperature. Allow the vehicle to warm up to check for accurate readings.
BENEFITS OF USING THE SPEEDHUT 2-5/8″ 40-150C TRANS TEMP GAUGE (L25-TT3-LEG):
- Early Detection of Overheating: By constantly monitoring your transmission’s temperature, you can identify potential overheating issues before they cause significant damage.
- Prevention of Costly Repairs: Addressing high temperatures early can help prevent premature wear and failure of transmission components, saving you money on expensive repairs.
- Optimal Transmission Performance: Maintaining the correct operating temperature ensures smooth shifting and efficient power transfer.
- Extended Transmission Life: Consistent monitoring and proactive maintenance based on temperature readings can contribute to a longer lifespan for your vehicle’s transmission.
- Increased Awareness: Provides you with valuable information about your vehicle’s internal operating conditions, allowing for more informed driving habits, especially under demanding conditions like towing or heavy traffic.
FEATURES:
- Clear and easy-to-read 2-5/8 inch (68mm) dial face displaying temperatures in Celsius.
- Utilizes a responsive 2-wire performance temperature sensor for accurate data acquisition.
- Includes a dedicated Temperature Gauge Wiring Harness for a direct connection to the sensor.
- Comes with a 3 ft Power & Lighting Harness, enabling illumination of LED-lit gauges and clocks.
- Designed for straightforward installation in standard 2-5/8 inch gauge openings.
- Provides real-time feedback on transmission fluid temperature, crucial for vehicle maintenance.






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