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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29427
Experience:  GM Grand Master Technician 2007. 14 years experience.
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I have a 2004 chevy pickup that the third brake light comes

Customer Question

i have a 2004 chevy pickup that the third brake light comes on when the key is on. other brake lights work normal. changed the fuse box near drviers door, but still has same issue. Tech says everything checks out to that point. is thi a common problem
Submitted: 1 year ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 1 year ago.

Hi there, I am Cam. NO this is not a common issue on these trucks, to start with can you tell me if removing the CHMSL fuse in the left dash fuse block makes the light go out?