For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

Last week, I stepped through the basics of automotive electrical circuits, explained how electrical current needs to flow ...

Cars are complex machines with thousands of parts that must work in harmony, but at the heart of it all lies your battery. If your dashboard battery light is on or your battery drains quickly, the ...

The Topdon BT200 Battery and Charging System Tester showed up at exactly the right time. I’ve gotten a couple of sporadic check engine lights from a low-voltage code with no noticeable difficulty ...