electrical troubleshooting

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A comprehensive guide showing how to use a multimeter or DMM. A multimeter is a useful instrument in a home toolkit for measuring voltage, current and resistance and also for tracing breaks in wires, testing diodes, capacitors and fuses.

Diagnose electrical problems by chasing voltage drops, instead of the old-fashioned way -- checking continuity. Including Mike Allen's Physics 101 introduction to Ohm's law.

Clamp Multimeter How To Use For Dummies is an Illustrated Guide on Measuring Current on a Wire of a Gadget. Working Principle Also Explained.

Your car or truck's electrical system isn't as complicated as you think

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Here is a video on a couple testing procedures and tricks you can use when testing for a bad spark plug wires or even an ignition coil or distributor. A bad ...

Super simple ignition wire tester, just attach ignition wire to spark plug then clamp to a good ground.

Here is a video on how you can test your MAF Sensor using a basic $5 Multimeter. I also show you how you can figure out the wires without a wiring diagram. P...

Here is a video on how to test a throttle position sensor with a basic multimeter, I also show you how to do this without a wiring diagram. Multimeter used i...

Learn how to easily test a spark plug to rule it out as the cause of your engine problem. A simple and highly effective method(when done properly) that I've ...

Here is a quick video on how to test a Throttle Position Sensor TPS with a multimeter. Also I show you how you can figure out what each wire on your sensor i...

If the time to wire or re-wire your custom vehicle or hot rod has finally arrived, this is the how-to guide you've been waiting for. It seems that automotive wiring projects have always been surrounded by mystery, and when it comes to determining the right kind of wire your project needs, or what's the correct type of fuse, and then add weird-sounding words like diodes or solenoids, and the mystery, in reality, turns out to be nothing more than a bunch of misinformation or, in most cases, a…

In this video I show you exactly how you can quickly determine whether you have a bad ignition coil pack or not and what is the correct testing procedure to ...

Diagnostics24. Take Care Of Your Car And Make It Last. Photo by Rob Ellis' When handling auto repairs, you may feel overwhelmed and lost. If this is your case, you need to learn more about auto repairs. Continu