EA454 – Car Horn Wiring Harness


Damage-free modified wiring harness

12V/24V horn relay wiring harness

Temperature: -40℃~+125℃

Simultaneous development and customization according to customer requirements.

Typical Application

  1. The original car is a horn that can be converted into pairs.
  2. The original car lines have a certain degree of aging,

The installation of this wiring harness is equivalent to adding a well-connected circuit to the original car, which not only protects the original car line but also protects the original car.

Also increases the loudness of the speakers.

EA454 – Car Horn Wiring Harness

Vast of automatic machines are lunched to ensure stable quality as well as cost performance products.


  1. The normal working voltage of the speaker is 9-16V.
  2. If the horn does not sound or the sound is small due to the aging of the original car line (the voltage drop is too large), the horn-modified wiring harness produced by our company can be installed.
  3. The horn should be installed away from the engine.
  4. When installing, the bell mouth should be inclined downward at 45°, so as to prevent the water from coming out.
  5. When honking the horn, do not hold down for a long time, generally not more than 30 seconds.
  6. If the horn works unstable, the following inspections can be carried out:

(a: Whether the copper terminals are loose or fall off)

(b: Whether the battery power is sufficient)

(c: Whether the speaker cable is too thin)

(d: Whether the horn button is damaged)

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