Best Amp clamps to measure current

When measuring current in car electrical circuits, it is only a matter of time until you make a mistake with ...
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Best battery & alternator testing devices

You can test the battery and alternator by using a multimeter. While measuring Voltage on the battery will tell you ...
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What is voltage drop?

Think of electricity flowing through a wire like water flowing through a hose. Voltage is like the water pressure pushing ...
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How to test fuse in car

Fuses are like the safety valves of your car’s electrical system. If a circuit gets overloaded (maybe a wire shorts ...
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How to use automotive test light for beginners

For quick checks, a test light is your new best friend. It’s simpler than a multimeter for basic checks and ...
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What is oscilloscope? Intro for DIY mechanics

If you follow this website, you’ve learned a bit about diagnosing cars with tools like OBD2 scanners. Now, let’s look ...
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Best oscilloscope for DIY mechanics

An oscilloscope is a must-have tool for actually diagnosing car issues, before making decision to replace a faulty part. You ...
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FNIRSI 2C23T Multimeter/Osiloscope/Signal generator | Owner’s review

This is currently my favorite tool for electrical testing as a DIY mechanic. It can act like a multimeter, oscilloscope, ...
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