Q.I've got a '55 DeSoto Firedome two-door Sportsman hardtop with 57,000 miles on the odometer. It has the 291ci Hemi and a Powerflite transmission. I've rewired the car and converted it to 12 V so I ...

Manufacturers are investing huge sums into battery technology to maximize the range and performance of new electric cars. However, if you pop the hood of a modern EV, you might find a regular old ...

The Tesla Cybertruck is equipped with an all-new 48-volt low-voltage system, which replaces the outdated but still the popular, 12-volt system. This move from 12- to 48 volts for auxiliary onboard ...

Most people don’t realize an electric vehicle (EV) needs, or even has, a conventional 12-volt battery. They’re rarely talked about, but they should be! An EV’s 12-volt battery is just as essential as ...

Rivian recently faced a flurry of dying 12-volt batteries on its vehicles, last time because of a botched software update. This must have caused the EV startup a lot of money because it decided to ...

Q I’m hoping you can take a little of the mystery out of my sport-utility vehicle’s voltmeter. My previous cars always had red lights instead of gauges. The oil pressure and temperature gauges are ...

With fuel economy regulations tightening and connectivity and autonomous-driving capability proliferating, the old-fashioned 12-volt automobile electrical system has reached the end of the road.

A 12-volt outlet is a convenient feature on many vehicles allowing you to use electronic devices while driving or riding in the car. However, it's important to note that these outlets are intended for ...

Rivian owners have designed an adapter kit to replace the proprietary 12-volt lead-acid batteries in their vehicles with cheaper, off-the-shelf parts. A complementary solution could also allow keeping ...

Vehicle electrical engineers are like kids in a sandbox these days. The transition to 48-volt vehicle architecture represents nearly endless potential for improvement in efficiency and functionality ...