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Battery drains out if car is not driven everyday

Tiny
ETHAN MATTOX
  • MEMBER
  • 2009 FORD FUSION
  • 3.0L
  • V6
  • AUTOMATIC
  • 143,500 MILES
Hello, I bought the car listed above SEL from my moms buddy and he did inform me of the issue before I bought it and I got it at a good price. However, I am wondering why this is happening and if I could fix it. Here is the problem: basically the battery will drain out unless I drive the car everyday. If I don't drive it it will b drain out the next day and I have to jump it. So I am wondering why this is happening? If I can fix it and how much it be?
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Monday, November 16th, 2020 AT 1:54 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

You have what is called a parasitic draw the drains the battery overnight.

I attached a guide for you to follow.

https://www.2carpros.com/articles/car-battery-dead-overnight

You need to test the current flow from the battery. If it is too high, then you remove the fuses one by one until it comes down to 50-75 milliamps.

Once you find the fuse, let me know so I can get a diagram of the fuse and what it controls.

Roy
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Monday, November 16th, 2020 AT 2:34 PM

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