more than likely some of the wires are loose
size of bolt on break calliber on Chevy trailblazer
Be sure the dash illumination dimmer switch is not turned off.
Make sure your brake lites work.If they dont replace brake lite switch
What does code co298 mean on a 2002 Trail Blazer
how can we drop reserve tire on Chevy trail blazer
the location of the air pump on 2005 Chevrolet trail blazer
The 2000 Chevy Trail Blazer doesn't have a timing belt.
How do you Change Windshield Wiper Blades on a 2004 Chevrolet Trail Blazer?
How do you reset check engine light for the 2009 Chevy trail blazer?
jeep
It is possible that the wiper pulse board is defective.
They are integrated into the cluster. They can be replaced if you are patient and can solder well. A variety of colors are available on EBay. www.trailvoy.com Trailblazer enthusiasts forum