The GPS device is my Droid phone. The dc voltage measured 12 Volts. I put a fuse in the circuit and it kept blowing when I put the car cord in, so I was hesitant to plug in my phone. I checked with a friend who has several advanced EE degrees and he didn't think it would work. I told him I...
I have a 36 Volt golf cart using 6 - 6 Volt batteries in series. If I add a circuit by connecting an automotive accessory plug to opposite poles of two adjacent batteries, will I get a 12 Volt circuit to be used to power a gps device, and is there any danger to the device?