2008 Chevrolet Silverado 1500 2WD "replace 3rd brake light 08" Questions

...3rd gear only) All wiring has been checked and tested and is good. I'm leaning toward the PCM. Any help would be great Thanks It may be a faulty speedometer with a short inside, or a short on ...

...3rd set of brake lights were out. We replaced the 4 of them and the cruise control immediately became functional again. I got this tip from a gentleman in the service department at a local Chevy ...