AutoMeter GS Series 2-1/16in Voltmeter 18V Electrical Gauge Full Sweep

2010–2025 Universal Fit for Street and Race Vehicles

Part #: 3891

Overview

The AutoMeter GS Series 2-1/16 inch Voltmeter is a high-precision electrical gauge designed to help you monitor your vehicle's electrical system with confidence. Whether you're a street enthusiast, a race car driver, or a professional tuner, this voltmeter provides real-time, accurate readings of your vehicle's voltage output, ensuring your electrical system remains healthy and reliable. Its full sweep needle movement and digital stepper motor technology deliver smooth, precise indication, making it an essential instrument for maintaining optimal vehicle performance.

Designed for both daily drivers and high-performance applications, this voltmeter allows you to keep a close eye on your electrical system's status, helping prevent issues caused by low or excessive voltage. Its compatibility with nearly all street and race electrical systems makes it a versatile choice for a wide range of vehicles, from classic cars to modern performance machines. With its straightforward installation and clear display, you'll get peace of mind knowing your vehicle's electrical health is always under control.

Key Features

The AutoMeter GS Series voltmeter combines advanced technology with durable construction to deliver reliable performance and ease of use. Key features include:

• High-precision digital stepper motor for ultra-smooth needle movement and accurate readings
• Full sweep 2-1/16 inch (52mm) gauge design for easy visibility in the cockpit
• Operates reliably from 8 to 18 volts, compatible with negative ground electrical systems commonly found in street and race vehicles
• Race-proven digital circuitry ensures consistent and precise voltage monitoring under demanding conditions
• Plug-in wiring harness included for quick and straightforward installation, reducing setup time and complexity
• Built with durable, high-quality materials to withstand harsh automotive environments
• Clear, easy-to-read digital resolution for quick assessment of electrical system health
• Suitable for a wide range of applications, from daily drivers to high-performance race cars
• Designed to help you detect electrical issues early, preventing potential breakdowns or damage

Construction & Design

The AutoMeter GS Series voltmeter features a robust, compact housing constructed from high-quality materials that resist vibration, heat, and environmental stress. Its 2-1/16 inch (52mm) diameter ensures compatibility with standard gauge pods and mounting locations. The digital stepper motor provides precise needle positioning with minimal lag, offering a smooth and accurate display of voltage levels. The clear lens and high-contrast display ensure excellent visibility in all lighting conditions, whether day or night. The included plug-in wiring harness simplifies installation, allowing you to connect the gauge directly to your vehicle's electrical system without the need for extensive wiring modifications.

Performance & Sound

While primarily a monitoring instrument, the AutoMeter GS Series voltmeter offers reliable, real-time voltage readings that help you maintain optimal electrical system performance. Its precise digital stepper motor ensures consistent needle movement, providing an intuitive and responsive display. This gauge does not produce sound but offers a visual indication that is critical for diagnosing electrical issues before they become serious problems. Its wide operating voltage range ensures accurate readings across various electrical setups, supporting your vehicle's overall reliability and performance.

Installation & Fitment

The AutoMeter GS Series voltmeter is designed for easy, bolt-on installation. The included plug-in wiring harness connects directly to your vehicle's electrical system, eliminating the need for complex wiring or splicing. The gauge mounts into standard 2-1/16 inch (52mm) gauge openings, making it compatible with most aftermarket gauge panels and OEM dashboards. No cutting, drilling, or tuning is required, allowing you to install this voltmeter quickly and securely. Its compact design and straightforward wiring make it suitable for both novice and experienced automotive enthusiasts.

• Plug-and-play wiring harness for quick installation
• Standard 2-1/16 inch (52mm) mounting size fits most gauge pods and panels
• No cutting, drilling, or tuning necessary
• Suitable for negative ground electrical systems from 8 to 18 volts

What's Included

• AutoMeter GS Series 2-1/16 inch voltmeter gauge
• Plug-in wiring harness
• Installation instructions

Ideal For

• Street car enthusiasts seeking reliable electrical monitoring
• Race teams and performance drivers needing precise voltage readings under demanding conditions
• DIY mechanics looking for an easy-to-install, high-quality gauge
• Anyone wanting to prevent electrical system failures and maintain vehicle reliability

Emissions Note

This product is designed for use in vehicles with negative ground electrical systems and does not impact emissions. It is intended solely for monitoring purposes and complies with standard automotive electrical regulations.