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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Brake lights not workin only the one on the hatch, shiftier

Customer Question

Brake lights not workin only the one on the hatch, shiftier button not depressing when its in park
JA: Have you checked the brake fluid? How's the level and when was it last changed?
Customer: no i haven't lately and it was fine
JA: What is the model/year of your Chevy?
Customer: 2002 trailblazer
JA: Are you fixing your Trailblazer yourself? What have you tried so far?
Customer: yes I am, nothing yet thinking it might be the brake switch?
JA: Anything else you want the mechanic to know before I connect you?
Customer: no, I just realized it's Easter and I' bothering you :/
Submitted: 6 months ago.
Category: Chevy
Expert:  GM Bob replied 6 months ago.

Hello! My name is***** to JustAnswer. I'm reviewing your question now, and will post back with your reply momentarily.

Expert:  GM Bob replied 6 months ago.

Do you have a test light or voltmeter?

Customer: replied 6 months ago.
Expert:  GM Bob replied 6 months ago.

In the rear fuse box under the driver side rear seat. Fuse #34 15amp fuse is for the brake lights.

Need to check the fuse. Should have power when brake pedal is pressed.

You may have two problems

Do you hear a click in the shifter with key on and foot on the brake pedal?

Customer: replied 6 months ago.
checked fuses , no click
Customer: replied 6 months ago.
we'll talk tomorrow!
Expert:  GM Bob replied 6 months ago.

So you check both fuse boxes?

Need to know if power is getting to the brake fuse.

Need to get a test light or meter.

Talk to you tomorrow.

Thank you