GMC SIERRA BRAKE LIGHT NOT WORKING

Changed Heater Core In My Truck Now I Lost Power To Brake Lights Have Running Lights. Signals But No Brake Light When Brake Pedal Is Pressed...

Rear Brake Lights Dont Work On 01 Sierra, 6 Cyl Only The Cab Light. What Can I Look For?

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...

We Currently Cannot Figure Out Why Our Brake Light Will Not Work. The Signal Will Work, Just Not The Brake Part. We Have Replaced The Light...

I Have A 1996 Gmc Sierra And I Have Changed My Third Brake Light Completely And Checked The Fuses And Still Doesn't Work. What Could Be...