Speedhut Voltage Gauge 6-18V

The Volt Gauge keeps you informed on your electrical system so you can spot charging issues during startup, idle, or heavy accessory use before they leave you stranded. Designed to track voltage in real time, it gives you a clear view of battery and alternator performance as conditions change. A built-in warning light alerts you when voltage moves outside safe operating range for added protection. A precision stepper motor keeps the needle smooth and steady—no fluctuation, no guesswork. Built with a durable housing and solid aluminum bezel, it’s made for real driving conditions and long-term use. Made in the USA and backed for life. Track-Tested. USA-Built. Backed for Life. Key Features: Real-Time Voltage Monitoring — tracks electrical system performance at a glance Warning Light — alerts when voltage moves outside safe range Charging System Insight — helps identify battery, alternator, and wiring issues early 12V and 24V Options — supports a wide range of vehicle electrical systems Microprocessor-Driven — real-time accuracy Stepper Motor Precision — smooth, accurate pointer Weather-Resistant Build — built for street, track, and off-road Made in the USA — backed by a lifetime warranty Voltage Gauge Instructions (pdf)