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Not started everyday the battery drains

Tiny
SHANED88
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 260,000 MILES
If the truck is not started everyday the battery drains. I tested everything even pulled the fuses out, but nothing is helping.
Tuesday, October 2nd, 2018 AT 2:39 AM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Did you have the battery load tested? If the battery is shorted internally, it will drain itself.Also, did you do a parasitic draw test? Use an amp meter and remove the negative cable. Install the amp meter leads to the battery and the cable. Let it sit for one hour and then check the reading. It should have only 50-75 milliamps of draw.

https://www.2carpros.com/articles/car-battery-load-test

https://www.2carpros.com/articles/car-battery-dead-overnight
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Thursday, May 13th, 2021 AT 6:37 PM
Tiny
SHANED88
  • MEMBER
  • 2 POSTS
I let it sit a for a while and then I heard the fuel pump running so I replaced the fuel pump relay all fixed.
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Thursday, May 13th, 2021 AT 6:37 PM

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