The digital voltmeter is the best basic tool for electrical troubleshooting, because it's calibrated and exact. But remember, the digital voltmeter can't detect a high-resistance fault if the circuit ...

These video training kits are designed for service managers who want to facilitate in-house training sessions on HVACR equipment servicing, and for HVACR instructors in secondary or post-secondary ...

These video training kits are designed for service managers who want to facilitate in-house training sessions on HVACR equipment servicing, and for HVACR instructors in secondary or post-secondary ...

From the earliest days in vehicle history, electrical energy has been used for powertrain, lighting, and a multitude of accessories. Today, modern vehicles use multiple microprocessors onboard and all ...

We’ve all had those long days where you wish you could just find the electrical problem and get to the next job — or go home! The best way to try and avoid these frustrating days is to review prints ...

When something goes wrong with a car's electrical system, it can be so frustrating and infuriating to diagnose that we sometimes just throw up our hands and blame the gremlins lurking in those ...

Class A motorhomes and smaller campers typically run on both AC and DC power. The former is your electrical hookup at the campground. It runs the energy-demanding thing like your air conditioner, ...

The day will come when trucks no longer have hood latches. Where the latch was will be a sticker that says, “Do not open. No user-serviceable parts inside.” Until then, we will still have electrical ...

In this educational film, Mr. Grant explains the basics of electricity to Frank and Joan while repairing Joan's flashlight. He demonstrates how a broken wire prevents electricity from flowing, leading ...

Electricity flows silently behind walls, mostly invisible until something goes wrong. Most homeowners live their entire lives without thinking twice about the wires snaking through their ceilings or ...

Few endeavors can intimidate or frighten '65-'73 Mustang owners more than diagnosing an electrical problem. To most, Mustang wiring and harnesses are complex mysteries. In actuality, the vintage ...

You were recently hired on as the electrical engineer and electrical services manager for a small company that has its offices and manufacturing on the same site. Eric, the personnel manager, is also ...