AutoMeter ATM3683 Sport-Comp II 18V Digital Voltmeter Gauge

Keep tabs on the health and output of your vehicles electrical system safely and accurately with AutoMeter’s ultra precise Digital Stepper Motor Voltmeter. With precise resolution and ultra smooth needle movement, this gauge operates anywhere from 8-18 volts on negative ground electrical systems. Peak value recall and a configurable warning point help you to keep your eyes on the task at hand. A direct plug in wiring harnesses included for ease of installation. GAUGE, VOLTMETER, 2 1/16", 18V, DIGITAL STEPPER MOTOR W/PK & WRN, SPORT-COMP II

• AutoMeter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up
• Set a custom alert specific to your vehicle & receive warning notification to highlight the need for driver attention
• Gauge kit includes wiring harness, mounting hardware, and detailed instructions for installation
• Modern white LED through-the-dial lighting provides clear visibility during nighttime use
• Acquire data for later review with one-touch Peak Recall functionality

Monitor your vehicle’s electrical system with the AutoMeter Sport-Comp II Digital Stepper Motor Voltmeter, part number ATM3683. Designed for negative-ground electrical systems, this gauge operates across an 8–18 volt range and provides precise voltage readings with smooth needle movement.

The gauge uses a self-calibration sequence during power-up to support accurate operation. A configurable warning point provides notification when attention is needed, while Peak Recall allows one-touch review of the highest recorded value. Modern white LED through-the-dial lighting supports clear nighttime visibility.

Key Features & Performance Benefits

• Digital stepper motor operation: Provides precise resolution and smooth needle movement.
• Configurable warning point: Allows a custom alert to highlight voltage conditions requiring driver attention.
• Peak Recall: Captures the peak value for one-touch review after driving.
• Self-calibration: Performs a calibration sequence during power-up to support accurate readings.

Key Product Specifications & Technical Data

• Brand: AutoMeter
• Part number: ATM3683
• Series: Sport-Comp II
• Gauge type: Digital voltmeter
• Operating range: 8–18 volts
• Electrical system: Negative ground
• Lighting: White LED through-the-dial lighting
• Functions: Peak Recall and configurable warning point

What’s Included in the Box

• Voltmeter gauge
• Direct plug-in wiring harness
• Mounting hardware
• Installation instructions

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1