What's wrong with the headlights being out: Hot topics and solutions on the entire network in the past 10 days
Recently, car headlight failure has become one of the hot topics for car owners. Whether it is traditional halogen lamps, xenon lamps or LED lamps, the sudden failure to light up has bothered many car owners. This article will combine the hot contents of the entire network for the past 10 days to analyze common reasons, solutions, and user attention trends for headlights.
1. Statistics of popular topics across the network (next to 10 days)
| Ranking | Topic keywords | Search volume (10,000) | Main discussion platform |
|---|---|---|---|
| 1 | Reasons for the headlights not on | 28.5 | Autohome, Zhihu |
| 2 | LED headlight failure | 19.2 | TikTok, B station |
| 3 | Headlight fuse replacement | 15.7 | Kuaishou, Baidu Post Bar |
| 4 | Things to note when modifying headlights | 12.3 | WeChat community, Xiaohongshu |
| 5 | Headlights enter water on rainy days | 8.9 | Understand the Che Emperor, Weibo |
2. Five common reasons why the headlights are not on
1.Circuit problem: Nearly 35% of cases are related to fuse blown or relay failure, which is manifested as the headlight is completely unresponsive.
2.Damage to the light bulb: The lifespan of traditional halogen bulbs is about 500 hours, and the LED lamp is about 30,000 hours, but the unstable voltage will significantly shorten the lifespan.
3.Switch failure: The oxidation of the combined switch contacts causes poor contact, which is mostly found in vehicles over 5 years of age.
4.Line short circuit: Short circuit problems caused by modified headlights or line aging may be accompanied by burning smell.
5.Control module failure: The lighting control module of high-end models is damaged and requires professional equipment inspection.
3. The top 3 solutions that users pay most attention to
| Solution | Operation difficulty | Average cost (yuan) | Applicable scenarios |
|---|---|---|---|
| Replace the fuse | ★☆☆☆☆ | 5-20 | Suddenly it doesn't light up and other appliances are normal |
| Replace the light bulb | ★★☆☆☆ | 50-800 | One side does not light or the light becomes dark |
| Check the grounding wire | ★★★☆☆ | 0-100 | The light flashes or turns off sometimes |
4. Analysis of recent hot events
1.Complaints for headlight failure of new energy vehicles have increased: The automatic headlights of a certain brand of electric vehicles failed due to a bug in the smart lighting system, and the manufacturer has released an OTA upgrade.
2.Modified headlights cause spontaneous combustion cases: Douyin has a hot news that a car owner modified the headlights by himself, causing the line to overheat. Experts recommend that the modification should not exceed 30% of the original car's power.
3.Headlights in heavy rainy weather have increased in demand for help: Heavy rains in many places in the south caused water to enter the headlights with poor sealing, and dehumidification of desiccant becomes a popular sharing content for Xiaohongshu.
5. Professional maintenance suggestions
1.Priority check for the safety box: Most models of headlight insurance are located in the engine compartment fuse box, refer to the location diagram of the instruction manual.
2.Use multimeter to detect: Measure the voltage of the lamp socket, and the normal battery voltage should be (12V or 24V).
3.Pay attention to waterproofing: After modifying the headlights, it is recommended to use special headlight sealant.
4.Timely upgrade the system: Car models with adaptive headlights, the 4S store can refresh the light control module program.
Through the above analysis, it can be seen that although headlight failures are common, most of them can be checked by themselves. It is recommended that car owners check the lighting system regularly, choose regular products when modifying, and contact professional maintenance personnel to deal with complex faults in a timely manner.
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