• In Part 11 of this series on ground circuits, we look at measuring ground side voltage.
    Ground Circuits
  • Have you ever heard the saying "Fool me once, shame on you. Fool me twice, shame on me?" or "Sometimes I'm my own worst enemy?" I had reason recently to have to use each saying while working on a 2004 Cadillac CTS (DM).
  • Connected cars are an integral part of our digital lifestyle, but is the data they generate secure?
    Tracy Martin
  • In Part 10 of this series on ground circuits, we look at establishing a good DMM ground.
    Ground Circuits
  • Refrigerant levels aren’t the only specification that is dropping. Lubricating oil specs are also on the decline, with several models using less than two ounces.
    Pete Meier
  • Here are a few examples and solutions to common and uncommon problems  to make diagnosis as straightforward as problem-free as possible.
    Motor Age Magazine
  • What do you do when there is no As Built data published for the vehicle? Jaime Lazarus leads you through this reprogramming nightmare and shares his successful conclusion.
  • This Ford pickup had been around from shop to shop, even making appearances at a local dealership. The initial complaint seemed simple enough: no start, no communication and no odometer. Then why did the dealer technician toss his hands up in surrender after a month and a half without a solution? It's all about a testing method we've preached about before - voltage drop!