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 ...

Always connect auxiliary power to a point on the vehicle that is electrically active all the time. Here's why. The safest and most-reliable point may be the test connector under the left side of the ...

Battery packs have become an integral part of everyday life, powering a growing range of portable electronic devices, cordless power tools, energy storage, and hybrid and electric vehicles.

Q: I have seen the jump-starting method of attaching the negative cable to a grounded metal car part recommended by you and many other experts. I have tried this method numerous times but have never ...

If your car battery is dead, you can jump start it with jumper cables and a second working vehicle. First, correctly identify the battery terminals and then, connect jumper cables in the right order.

I have disconnected and reconnected my battery terminals several times over the years. While I am careful not to get the wires crossed or touch each other, I have never thought about what order I do ...