Troubleshooting electrical malfunctions can be frustrating because breaks in insulated wires or within components are not obvious. The most efficient way to pinpoint electrical problems is by ...

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 ...

A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

Global Training Solutions Inc. is excited to announce the availability of the Troubleshooting Skills Training Series. This simulation-based troubleshooting training system develops skills for ...

Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...

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 ...

The plant relies heavily on its compressed air system. Over the past year, incidents of low air pressure have increased in frequency. The new plant engineer made solving this problem one of her top ...

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 ...

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 ...

You’re the electrical supervisor in the maintenance department with seven electricians reporting to you. But maintaining electrical infrastructure is clearly outside their ability range. This recently ...