Electrical

  • A window that won't roll back up is not the only power window complaint you may face. Other common faults are windows that only move partially through their travel before grinding to a halt, work in one direction only or no longer respond to their au
  • The Jeep Wrangler belongs to a fellow employee and just needed a routine oil change. A simple task, right? No matter what the customer complaint is, I always do a complete visual inspection so I can advise my customer on his or her car's current cond
  • There are hundreds of color-coded wires on every vehicle, some of them carrying loads, but many more conductors these days are carrying delicate signals that require almost no current at all through tiny little wires.
  • This van is kicking me around, Donnie told me. I had been out of the field for a few years, having traded my toolbox for a grade book, an office and classroom, laser pointer and a lab full of automotive students. My old friend and fellow drivability
  • Sparking your knowledge of electricity can help you solve basic problems in the bay.
  • Most automotive repair professionals have a working knowledge of the operation of the basic oxygen sensor. However, newer wideband designs are more sophisticated and often misunderstood by even the most experienced technicians.
  • As long as vehicles have been rolling, the speed of the load-carrying wheels has been an issue. When I was a young boy watching western movies in the 1960s, I could always tell when a wagon was going to crash, because the camera would focus on a wood
  • To troubleshoot any power door lock system, understanding that particular system is key (pun intended). In the beginning, power locks basically were reversible motors with a threaded armature that would spin around a rod with matching threads. Spinni
  • The operation of electric cooling fans is not complicated, and troubleshooting a loss of fan operation usually is pretty straightforward. This month, we'll share a few tips on diagnosing common faults.
  • No-crank or slow-crank concerns are among the most common customer complaints we deal with as automotive service professionals. If you can verify the concern, these are relatively easy to diagnose when compared to the myriad of possible engine perfor
  • For more than 40 years, the auto industry has devoted a major portion of its engineering resources to reducing exhaust gas emissions. In the U.S., it all began with positive crankcase ventilation, introduced in 1967. Air Injection Reaction (AIR) was
  • Vehicles today feature more safety technologies to keep vehicles from being in an accident, including changes to the brake systems, stability control and new blind spot detection. Here's a description of some of the systems you'll see in your bays to
  • You don't use one testing method to dianose drivability problems, do you? In fact, I bet you know more than one technique for testing nearly every system on the car. We learn these various techniques in order to accurately troubleshoot the problem at
  • April marks the beginning of a new A/C season for many. Now is a good time to take a look at how to properly service these systems, as well as other parts of A/C service you might not expect to see.
  • Today's cars are getting more and more electronic, with computer modules controlling engine management systems to automatically turning on the wipers at the first hint of rain. Diagnosing problems in these circuits can be involved, and the more testi