Posts Tagged: battery drain

How to perform a parasitic battery drain test

Step-by-Step Guide to Locating the Cause of a Parasitic Battery Drain Quick Summary If your battery keeps dying overnight, you’re likely dealing with a parasitic battery drain—an electrical component that continues drawing power after the ignition is off. To find the culprit, you’ll need to perform a parasitic battery drain test using either a current-draw method with an amp clamp or a multimeter, or a voltage-drop method that identifies the drain without removing fuses. The voltage-drop method is easier to perform and is just as accurate. It allows the vehicle … Read More