What to Do When the Interior Dome Light Doesn't Work?
2 Answers
Disassemble the interior light Remove each interior light bulb one by one, install new interior light bulbs one by one, and plug the wiring harness connector into the interior light socket.
I often encounter this issue, and my experience as a seasoned driver tells me that there are usually several common reasons why the interior dome light doesn't work. First, the bulb might be burnt out. Dome light bulbs typically last a few years, and it's normal for the filament to break over time. Replacing it with a new bulb of the same model usually solves the problem, and it costs less than ten yuan. Next, check the fuse. Some car models have a dedicated fuse for the dome light in the fuse box—if it's blown, just replace it. I've also encountered switch issues, such as a faulty door switch causing the light to malfunction, where the light should turn on when the door is closed but doesn't. Another possibility is poor wiring contact; in older cars, loose or short-circuited wires can interrupt the current. My advice is to start with the simplest fix: try replacing the bulb after turning off the engine. If that doesn't work, locate and replace the fuse. Addressing the issue promptly avoids the hassle and safety risks of fumbling in the dark while driving at night. Regularly checking the bulb condition during routine maintenance can save you a lot of trouble.
