Over my almost 60 years in the auto repair industry as an ASE and GM Master Technician, and vocational education automotive technology instructor, I have seen firsthand how vehicles have evolved from ...

Not long after I began contributing to Hagerty eight years ago, I wrote a detailed four-part piece on electrical relays and how they work in cars. You can still find the articles here (Part I: Why We ...

We may receive a commission on purchases made from links. You hop in the car, turn the key or push the start button ... nothing. Or maybe one of your headlights goes out when you're driving at night ...

What is an automotive relay? In simple terms, an automotive relay is a small cube shaped electronically operated electromechanical switch. It uses an electromagnetic device to mechanically maneuver a ...

How the smart fuse itself works, as opposed to a regular fuse, in a car. Operation of the smart fuse’s power-on and bang-bang functionalities. How the smart fuse’s boot-up operation works. From ...