Zerotolerence - Did you figure this out? I'm having the exact same problem.
Thanks for the help.
January, 26, 2008 AT 9:35 PM
The 2004 trailblazer had a factory recall for this problem, all the brake lights (except the third high brake light) would burn out early. Call your Chevy deal and see if your vehicle is part of this recall. If so, they will perform a 15 minute procedure to change a some module and you will be back on the road.