Battery drainage

Tiny
TOYOTA2004
  • MEMBER
  • 2004 TOYOTA SEQUOIA
  • 80,000 MILES
If it is staying at parking more than one week, battery drains. I used solar power during parking to charge the battery, but it did not help.
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Sunday, May 8th, 2022 AT 5:27 PM

1 Reply

Tiny
SQM
  • EXPERT
Hello,

Sounds like the vehicle has excessive parasitic draw (current drain) on the battery.
Every electrical circuit with a battery will have some amount of parasitic draw, however it can become excessive due to any number of faulty components. Like a glove box light staying on or a shorted window switch etc.
In order to find the culprit, you will have to use a multimeter and check the current drain on the battery as you remove different fuses/relays.

Take a look at this video, it shows exactly what to do to find the draw:

https://youtu.be/z5F7WpgjaRs

Here is a helpful guide:

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

Let me know of any questions.
Thank you.
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Sunday, May 8th, 2022 AT 10:14 PM

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