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 ...

There are many tasks that must be mastered when restoring a pre-'50s bomba. But few elicit as much uneasiness as the electrical system. Whether the plan is to keep the 6-volt system or modernize it by ...