Download 12V Meter Diagram PNG

Download 12V Meter Diagram
PNG. On a battery, touch the red lead to the positive terminal. If the gauge came with a fused lead, use that.

DC 100V 50A Digital Voltmeter Ammeter 12v 24v Discharge ... from 112.124.9.237

Its time to start wiring things up. So, if you measure voltage from each phase to ground. The way i had it setup for the past 3 weeks was thinner two wires, red & black to my 22ah battery.

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.

This will complete the parallel circuit and cause the meter to display the voltage. 4.6 out of 5 stars 731. Simple voltage booster based on linear technologies lt1372, includes pcb design: Use the flashlight or drop light to see the wiring under the dash.