A parasitic draw is a condition in which a vehicle’s battery is drained by one or more electrical components that continue to draw power even when the vehicle is turned off. This can lead to a dead battery and can be a frustrating problem to diagnose. There are a few simple steps that you can take to check for a parasitic draw.
First, you will need to gather a few tools. You will need a multimeter, a set of jumper cables, and a helper. Once you have your tools, you can begin the testing process.