How to Test a Car Relay with Multimeter: A Step-by-Step Guide

Testing a car relay with a multimeter is a straightforward yet important procedure for diagnosing electrical issues in your vehicle. Relays are essential components in automotive electrical systems, as they control high-current circuits with low-current control signals. However, like any electrical component, relays can fail, leading to issues such as malfunctioning lights, windows, or other electronic systems. Fortunately, using a multimeter, you can quickly check whether a relay is functioning properly or needs replacing. This article will guide you through the process of testing a car relay with a multimeter, step by step.