Easily installed pre-wired panel Measure charge in 2 battery installations Internally lit gauge for day or night useThis two-battery energy gauge, with its attractive, easy-to-install pre-wired panel, lets you measure the percent of charge in two-battery installations, such as a starting battery and auxiliary battery. The gauge is internally lit for day or night use. Plus, the Battery Energy Gauge comes complete with easy to follow instructions for do-it-yourself installations. Back plate size: 3.120'' H x 4.620'' WCut-out dimensions: 2.250'' H x 3.750'' WDial gauge measures: 2.25'' dia.
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