Posts Tagged: How to use a test light

How to diagnose electrical issues with an automotive test light

Use an automotive test light to diagnose electrical issues An automotive test light is a valuable tool for any DIY mechanic or professional technician. By understanding how to use it properly, you can quickly diagnose a wide range of electrical issues in vehicles. An automotive test light is a simple tool used to check for the presence of voltage or ground in a circuit. It consists of a probe, a ground clip, and an indicator (usually a light bulb or LED). Types of Test Lights There are two types of … Read More