2004 GMC Sierra Brake light problem

2004 GMC SIERRA

100,000 MILES • V8 • 4WD • AUTOMATIC

MIKECHM3

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I have a 2004 GMC sierra , the brake lights stopped working fuse is still good center brake light still works even the running lights still work in the same bulb but the two brake lights wont work. Can anyone help? Thanks.

Mar 3, 2009 at 8:04 AM

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JDL

AUTOMOTIVE REPAIR CONTRIBUTOR
16,098 POSTS

Hello, check the vehicle stop fuse 15 amp in the left i/p fuse block, see if the circuit is hot, when you step on the brake. If the high-mount brake lite works, that circuit is probably ok. For the lower brake lites, that circuit runs through the underhood fuse block. For the right side stop lamp the voltage wire is lite blue, black is ground.

Mar 3, 2009 at 8:58 AM