2001 GMC Sierra 2500 HD Q&A
2001 GMC Sierra 2500 HD Question: Lt Brake Light out after 3 days of replacing the bulb. Has happened four times.
What is the most likely cause of my left Brake Light going out after about three days of replacing the bulb. Has happened four times. - Visitor
bad socket. check it for burnt terminals from overheating. Roy - mastertech6371
The socket or pigtail is notorious for burning out on this vehicle. Check for discoloration around the terminals. Brown or burned material indicates a problem. The pigtail is available as a replacement part and is easily replaced. - louis1953