
32 here s a very simple do it yourself project with useful benefits such as detecting or preventing a power problem on your boat most boats have 12 volt electrical systems powered by one or more batteries that are recharged by the engine s alternator or other electrical sources such as solar panels or a wind generator if you don t already have a voltmeter wired into your system to keep you should cover it or tap it to the gauges fuse on the fusebox if the gauge came with a fused lead use that if you re installing several you can tie the ignition leads for all of them together including the voltmeter signal and use just one fuse the size depending on the number of gauges those who don t will provide alternative wiring color codes on a wiring diagram associated with the engine versus the whole boat figure 1 tachometer terminals to troubleshoot the instruments you ll need a voltmeter and.
maybe a digital cl having the engine service manual in hand will be important to deal with slight variations americanmuscle is proud to offer free shipping on any order over 49 how to install an auto meter pro p ultra lite voltmeter gauge electric on your 1979 2012 musta voltmeter 1 using 18 gage wire route one length through firewall if a new hole is drilled in the firewall a grommet is re mended attach one end to the negative