Last week, I waxed rhapsodic about why we wrench (the joy of solving problems, making choices, doing things our own way, ...

About a month ago, I wrote a piece that generated a lot of interest titled “Why retrofitting electric air conditioning is scarcely a slam-dunk.” To recap: I wanted to cool off my ’69 Lotus Elan +2, ...

alternator W connection ground wire in Digital D1This is probably obvious but I can't figure out if I need a ground wire on the Halmet digital D1 connection when connecting my alternator's w-wire. The ...

Back in 1966, a suitable toy for a geeky kid was a radio kit. You could find simple crystal radio sets or some more advanced ...

Hybrid relays combine a mechanical switch with a solid-state switch, and they are set up in parallel to control a single load.