2001 Chevrolet Express 3500 Q&A
2001 Chevrolet Express 3500 Question: both brake lights work but they are very dim the third brake light works fine
Sounds like a bad ground, Check the wires - Valleyautotech
Check for a loose or corroded ground, the 3rd brake light is sometimes a more independent circuit, or an LED type of bulb system. - dandd
The tail light wiring harness in the cargo area is not protected very well. As a result it may become damaged due to normal wear a tear. This damage can causing some or all of the rear lights to ...