While working on some high-intensity discharge (HID) headlights this week, I realized that soon many younger techs are likely to be inexperienced with these lighting systems—and it’s not their fault. In the transition years between halogen lighting and the LED era,...

I was recently off my feet due to some unplanned surgery. Normally I go stalking around the garage like the proverbial bull in the china shop, but not lately—my ankle was a mess. Have you ever had an injury or illness serious enough to impact the way you make a buck?...

The spark plug has a tough job to do, and it has to do it under extreme conditions. The terminal (top) end of the spark plug is connected to a high voltage supply source, the ignition coil. As current flows from the coil, a voltage potential builds between the center...