Where is the horn relay of BYD F6 located?

1 Answers
OArya
07/30/25 4:34am
BYD F6 horn relay is located in the fuse box behind the left side panel of the driver's compartment. When the horn button is pressed, current flows through the circuit to the electromagnetic coil of the horn relay. The coil then attracts the movable contact switch to close, allowing current to reach the horn. Here are more relevant details: During daily driving, car horns often malfunction or fail, mainly due to the following reasons that require attention during operation: 1. Prolonged overload driving of the horn: The horn may burn out due to overheating as the coil temperature rises, causing certain structural components to melt, crack, or burn out. Under normal use, the coil temperature can reach 180°C, and the consequences of improper use can be imagined. 2. Mechanical failure: Overdriving the horn causes the diaphragm to move beyond its range and separate from the coil, or the coil to separate from its seat. The folded edge of the diaphragm or the horn's suspension may tear. Any of these situations can lead to horn failure. When the folded edge or suspension is torn, the coil will rub because the diaphragm assembly can no longer be properly suspended in the center. Small cracks may not be noticeable at first, but over time, as the cracks enlarge, the horn will eventually fail. 3. Horn failure may also result from a combination of the above two factors: For example, if the amplifier suddenly outputs a large instantaneous energy (such as a sudden increase in volume), the horn will vibrate intensely, causing the coil to move out of the magnetic gap. When it tries to return, misalignment may prevent it from returning to its original position.
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