What is a normal battery draw?
A normal amount of parasitic draw for newer cars is between 50-milliamp to 85-milliamp current draw. A normal amount of parasitic draw for older cars is a reading less than 50-milliamp. Anything past these amounts indicates an electrical issue and should be addressed by a mechanic.
How do you calculate drawing power from a battery?
Pull the negative off the battery. Put the test light between the post and the ground wire. If the light illuminates, you have a draw. Use the fuse pull method to find the draw; when the light goes out, you found the draw.
What causes a Volkswagen Beetle battery to drain?
Volkswagen Beetle: Battery Draining While Parked 1 Battery Cables. You’ll want to take a look at your Beetle’s battery posts where they bolt to the battery. 2 Bad Battery. When the battery drains when parked, the odds are that it’s the battery itself. 3 Alternator. 4 Beetle Battery Draining While Parked.
What happens if you have a dead battery on a VW?
Thinking that was the end of the problem, I went back to Haggerty VW and complained about having to pay over $1,000 and still having a dead battery, and they agreed to give me a $142.50 discount. I thought that was the end of it but I began to have a dead battery again on several occasions over the next several weeks.
How to find out if your car battery is parasitic?
How to Find a Parasitic Battery Drain. When your car battery goes dead overnight, usually either the battery is at the end of its life span, or you left something on, such as a light.
What causes a car to draw power from the battery?
Learn more… If your vehicle is drawing power from the battery and all of the lights and other electrical components are off, you might have a parasitic battery drain (or draw). Luckily, you can usually find the cause of a parasitic draw yourself. Start by connecting a digital multimeter to the negative battery terminal of your vehicle.