The AutoMeter 2-1/16-inch 18V electric voltmeter gauge keeps tabs on electrical system health with a patented air-core movement that reads reliably across 8–18 volts on negative-ground systems. It installs simply, offers modern white LED through-the-dial lighting, includes mounting hardware and instructions, and is compatible with standard 12 and 16 volt vehicle systems.
Autometer Ford 2-1/16in. 18V Electric Voltmeter Gauge