No brake lights.

Asked by Austin Dec 15, 2018 at 04:30 PM about the 2004 Chevrolet Trailblazer LT 4WD

Question type: Maintenance & Repair

3rd brakeight works other two doesn’t. I’ve
done replaced brake light switch. Bulbs and
fuses are good and still no lights?

5 Answers
11,225

FJ4072 answered 5 years ago

Austin, have you been experimenting with LED bulbs for the brake light? Let me know, there is a very important piece of info you're missing. If not, check the fuse box under the rear seat (drivers side) not under the hood. Rear fuse block is where the correct fuses are, bet they're blown. If not, check for power at the socket and trace back.

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GuruSMCW7 answered 4 years ago

3rd brake light works but both sides are not working. Bulbs and fuses are good. Is there a brake relay fuse. If so where would I find it?

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Jboggess34 answered 4 years ago

I am having the same exact issue right now. I have tested my fuse under the seat and have a good reading. What could be causing this? It’s got to be a problem from between the rear fuse outlet and the two brake lights itself. Everything is working except the left and right break lights.

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