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 ...

The last method to test cables is to use a clip-on ammeter to measure current while cranking and still measure the voltage at both ends of the circuit. For example, say you measured a 1.0-volt ...

Ever wondered how pros test auto wiring without stripping wires? This Harbor Freight kit helps you do it, like they do, without zapping yourself.