All rear brake lights work, except the lower right brake light

Tiny
PETEKREUZER
  • MEMBER
  • 2007 KIA SORENTO
  • 150,000 MILES
I installed a new brake switch, fuse, and new bulb. All rear brake lights work, except the lower right brake light. I checked for power with a voltmeter, no power. I'm at a loss from here. Pete
Monday, May 9th, 2022 AT 2:50 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,452 POSTS
If the left side works the system is working, you can see in the brake light wiring diagrams below there is a connection between the left and right brake light. I would use a test light to double check if you are getting power at the white wire near the brake light bulb. Here is a guide with the brake light wiring diagrams below:

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

and

https://www.2carpros.com/articles/brake-lights-not-working

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Monday, May 9th, 2022 AT 7:47 PM

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