AutoMeter 3691 Sport-Comp II Electric Voltmeter 8-18V 2-1/16" Stepper Motor

2-1/16" VOLTMETER, 8-18V, SPORT-COMP II 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. A direct plug in wiring harnesses included for ease of installation. Modern white LED through-the-dial lighting provides clear visibility during nighttime use Gauge kit includes wiring harness, mounting hardware, and detailed instructions for installation 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 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system