You may have to locate the fuse box and start removing fuses one at a time to see which circuit is excessively draining the battery.
How do I find a parasitic battery drain in my car?
This article has been viewed 1,769,377 times. If you need to find a parasitic battery drain, turn off all of the vehicle's electrical components, engage the emergency brake, and remove the key from the ignition. Next, use a vehicle battery charger to charge the battery to 100%.
How do I know if my car battery is dying?
This includes lights, radio, air conditioning, and more. You may be able to tell when your car battery starts to die if you find it difficult to start, have flickering lights, or a weakening alarm system. Your car battery may begin to drain for 8 reasons:
How long does it take to drain a car battery?
Remember that the drain doesn't have to take your battery to zero overnight, just low enough for it to not start. If the battery drains when the vehicle sits for three or four days, that's a lower amp draw than one that drains the battery overnight.
Why does my car battery drain when the lights are off?
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.
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