ORIGINAL REDDIT POST
Mystery Brake Light
Hey everyone! I have an 07 Corolla CE im working on and I've got a brake light out. I've changed the bulb and the fuse and it still won't come on. The light works for regular lighting, and the fuse i pulled out was perfectly fine but I changed it to be safe.…
Hey everyone! I have an 07 Corolla CE im working on and I've got a brake light out. I've changed the bulb and the fuse and it still won't come on. The light works for regular lighting, and the fuse i pulled out was perfectly fine but I changed it to be safe. Any advice on what the issue could be? Wiring harness/pigtail maybe?
Collected discussion
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Check the socket for corrosion with a multimeter, those 07 Corolla tail light grounds are notorious for causing weird single-bulb failures.
If the light bulb is OK and there is power, check the brake switch on the brake pedal with a multimeter.