This video covers the essential steps to properly test a car's alternator and diagnose common alternator issues. The guide demonstrates how to check the voltage regulator, diode rectifier, stator, and ...

One of the simplest tasks a digital multimeter can perform is a basic voltage test on a car battery. Positive and negative terminals, hooked up to the car or not, will give a base number. The ...

Using a 12-volt carbon pile tester on a 24-volt system will damage the tester. Connect the large lead of the tester to the cranking motor's battery post on the solenoid and the ground post of the ...

Proper safety procedures are critical when testing high-voltage systems. As the following examples prove, mistakes happen. However, when the safety of you and your coworkers is at stake, neglecting ...

Using a non-contact voltage tester is the quickest and easiest way to safely check for electrical current in a wire, an outlet, a switch, or an old lamp that has mysteriously stopped working. This ...

The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...