Parasitic draw is a situation that happens when a car’s electrical system continues to attract energy even after the car is turned off. This may result in various issues, together with a useless battery, which might go away you stranded. Testing for parasitic draw is a straightforward course of that may be achieved with a number of primary instruments.
To check for parasitic draw, you will have a multimeter and a set of jumper cables. First, join the multimeter to the damaging terminal of the battery and the constructive terminal of the car’s body. Then, flip off the car and await a couple of minutes. The multimeter ought to learn zero. If it doesn’t, then there’s a parasitic draw.
