Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system—or even ...

For many, wiring is one of the most intimidating aspects of a restoration or project upgrade. Most mechanical repairs and aspects of a restoration are what we’d term “nut-and-bolt” work, meaning that, ...