Quick Overview For Classic Vehicles Running An Alternator With A 30 Amp Output Or Less, The Autometer Electronic Ammeter Will Provide Accurate, Fast Responding Information On Your Vehicles Charging Activity. A Traditionally Designed Unit, Installation Requires The Use Of A 10 Gauge Wire Or Larger For Safe Operation. Traditional incandescent lighting illuminates around the perimeter of the dial 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system Gauge kit includes bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Autometers Race Proven Air-Core Electric Instruments Provide Quick And Accurate Readings Attributes: GTIN: 00046074120572 Brand Name: AutoMeter Add-On: N/A Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 4 x 4 x 3 inches Weight: 0.5 lb PDF: PDF: 2650-1260