Muiltimeters Or Test Lights? Does It Matter?

I have been to a lot of car audio shops that use test lights, and not as many that use digital multimeters. Is one really “better” than the other for finding power sources?

Absolutely! A test light looks like a screwdriver with a sharp pointed end, and consist of a small bulb and a grounding wire or cable. It works by grounding the bulb, and once it comes in contact with a power source, it will complete the circuit and light the bulb. This is the easiest way to test power because the bulb either lights up for power or doesn’t if their isn’t any power.

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