A parasitic draw is a situation through which a car’s battery is drained by a number of electrical parts that proceed to attract energy even when the car is turned off. This could result in a useless battery and is usually a irritating drawback to diagnose. There are a number of easy steps that you may take to test for a parasitic draw.
First, you will have to assemble a number of instruments. You’ll need a multimeter, a set of jumper cables, and a helper. After you have your instruments, you may start the testing course of.