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Half of the fuse box does not have power?

Tiny
KRAXIS40
  • MEMBER
  • 2008 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 175,000 MILES
Purchased the truck listed above 2500 used and after a week started having electrical issues. The first thing was the wipers and fluid came on without me initiating it. The truck had 2 batteries witch one started to boil while on a road trip. I disconnected it and went on my way. Next, I noticed I have power to only 1/2 of my fuse panel under the hood. Driver seat motor is good but won't work?
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Saturday, June 24th, 2023 AT 7:34 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 45,734 POSTS
Okay, the first thing we need to do is check the mega fuses under the hood, this guide can help you and I have included the power distribution wiring diagrams so you can see which fuses to check and how the system works.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Saturday, June 24th, 2023 AT 12:58 PM

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