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How much voltage should be present at each point in the circuit?

Tracking down the cause of a short circuit that melted wires

Using a current probe to find a short circuit

How to tell which wheel bearing is bad

Using the valve stem seal protector that comes with your new seals

Car won't start? Is it the battery cable?

How to remove camshaft bearings

Checking for cracks using Magnaflux (magnetic particle crack detection)

How a Relay Works

Demonstration of Ohm's Law in the Real World

Checking for ignition spark using a spark tester

Duty cycle, frequency and pulse width--an explanation

Measuring duty cycle with a multimeter

How to test a diode

Replacing starter solenoid contacts (Nippondenso)

Removing a terminal from a connector

Determining a battery's state of charge

Battery construction and cells

Electricity & Magnetism

Testing a battery with a handheld tester

Using the tool room inventory management system

How to Use a Multimeter PART 3: MEASURING CURRENT

How To Use a Multimeter PART 2: MEASURING RESISTANCE

How To Use a Multimeter PART 1: MEASURING VOLTAGE