Speedhut 4-1/2" 160 mph GPS Speedometer / 8K Tachometer (R45-DS4-REV)
The Speedhut 4-1/2" 160 mph GPS Speedometer / 8K Tachometer (R45-DS4-REV) offers a cutting-edge solution for drivers seeking precise and reliable vehicle instrumentation. This dual-function gauge seamlessly integrates a GPS-enabled speedometer with a high-performance tachometer into a single, compact 4-1/2 inch unit. Experience accurate speed readings without the complexities of traditional sensors, thanks to advanced GPS technology. The accompanying tachometer is engineered for broad compatibility, working effectively with virtually any engine that produces a tach signal exceeding one volt. Built with quality and ease of use in mind, this gauge is a testament to American craftsmanship, providing drivers with essential data for confident and informed driving.
KEY FEATURES AND BENEFITS:
Dual Gauge Convenience: Combines a 160 MPH GPS speedometer and an 8,000 RPM tachometer in one unit, saving dashboard space and simplifying installation.
Effortless GPS Speedometer: Utilizes GPS for real-time, highly accurate speed readings, eliminating the need for mechanical or electronic speed sensors and the associated calibration for tire sizes or gear ratios.
Global Operation: Functions worldwide using free GPS technology without requiring any subscription fees. The system is designed to receive data only, ensuring user privacy.
Broad Tachometer Compatibility: Calibrated to operate with a wide range of engines producing a tach signal over one volt, supporting 1/2 pulse to 6 pulses per revolution.
Precise Readings: An internal microprocessor ensures pinpoint accuracy for both speed and RPM readings.
Robust Construction: Features a solid billet aluminum bezel for enhanced durability and a refined aesthetic. The weather-resistant design ensures reliable performance in various environmental conditions.
Simple Mounting: The slim case design and convenient spin-lock ring facilitate an easy and secure installation process.
Reliable Performance: A high torque stepper motor guarantees smooth and accurate pointer movement, even under demanding driving conditions.
American Made: Proudly manufactured in the USA, ensuring high standards of quality and craftsmanship.
Gauge Type: Dual GPS Speedometer / Tachometer
Speedometer Range: 0-160 MPH
Tachometer Range: 0-8,000 RPM
Gauge Size: 4-1/2 inch (4.5")
Mounting Hole Size: 4.250 inches (108mm)
Standard or Metric: Standard (MPH)
3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
GPS Antenna with 9.8 ft long cable and male SMA connector
Wiring Harness (2-Wire Cable)
Mount the Gauge: Locate a suitable 4.250" (108mm) diameter hole on your dashboard or mounting panel. Insert the gauge into the hole from the front. Secure the gauge from the back using the provided spin-lock ring by twisting it until the gauge is firmly held in place.
Connect the Power Harness: Connect the 3 ft Power & Lighting Harness to the designated terminals on the back of the gauge. Ensure the positive (12V) and negative (ground) wires are correctly connected to your vehicle's electrical system. This harness also provides power for any LED illumination features of the gauge.
Install the GPS Antenna: Choose a location for the GPS antenna that offers a clear line of sight to the sky. The antenna is waterproof and can be mounted externally or internally (ensure no significant obstruction like a metal roof). Connect the GPS antenna to the gauge using the 9.8 ft cable with the male SMA connector.
Connect the Tachometer Harness: Connect the 2-Wire Wiring Harness to the tachometer signal output from your engine's ignition system or ECU (Engine Control Unit). Consult your vehicle's service manual to identify the correct tachometer signal wire. Connect the other end of the harness to the designated terminals on the back of the gauge.
Power On: Once all connections are secure, turn on your vehicle's ignition. The gauge should power up. The GPS speedometer will begin acquiring a satellite signal, which typically takes a few seconds. Once a signal is acquired, the speedometer will display your current speed. The tachometer will display the engine's RPM based on the signal it receives.
BENEFITS OF USING THE SPEEDHUT 4-1/2" 160 MPH GPS SPEEDOMETER / 8K TACHOMETER (R45-DS4-REV):
Simplified Installation: The GPS speedometer eliminates the need for complex wiring to the transmission or wheel sensors, making installation significantly easier.
Versatile Compatibility: The tachometer is designed to work with a wide array of engine types and configurations.
Clean and Integrated Look: Combining two essential gauges into one unit creates a cleaner dashboard appearance and saves valuable space.
Reliable Performance: Built with quality components and a weather-resistant design, ensuring consistent and dependable operation in various driving conditions.
Real-time speed display derived from satellite positioning.
Engine speed monitoring capability up to 8,000 revolutions per minute.
Integrated odometer to track total vehicle mileage.
Resettable trip meter for measuring individual journeys.
Calculation and display of 0-60 mph acceleration time and distance.
Measurement of 1/4 mile time and speed.
Indication of current direction heading.
Precise GPS-based clock.
Slim gauge housing for flexible mounting options.
Durable billet aluminum outer ring.
Designed to withstand various weather conditions.
Product identification
- Brand: Speedhut
- Model / MPN: R45-DS4-REV




