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Headlight technology is not much complex, but there are many different ways headlights can fail, so if they stop working, you need to find out the type of failure you are dealing with. The troubleshooting process you follow will determine the kind of fault at your hands. While keeping this in mind, it will be immensely useful to start by examining whether both or just one headlight of your vehicle has stopped working and either of the high beam or low beam still working.
When headlights stop working, it usually indicates a physical or electrical issue with the bulbs. There can be many faults that can occur, which can cause the failure of headlights. Several components are working in headlights. The first and easiest one is the headlight fuse. If you find a blown a fuse, then simply replacing it may fix the problem.
If the fuses are not blown, the next step is to check the wiring between the fuse block or batteries.
Then locate and examine the headlight relay. You can check the relay whether it is working or not by pulling and shaking it; if something is trembling inside, it must have stopped functioning. Many other reasons are behind the failure of headlights except blown a fuse, bad wiring, and headlight relay. Some of them are listed below.
An experienced mechanic will visit your residence to examine the cause of the failure of your vehicle’s headlights. After testing it thoroughly, he will provide a detailed inspection report, including all the information on the problem and its possible fix.
The price will be included in the inspection report the mechanic will provide.