Common Failures of CHANGAN 3721020N02AA Horn for CS35/CS75/Eado/CS35 Plus/Alsvin/CS85 Coupe
- Weak Sound Output: Some users of CS35, CS75 and other models with OE number 3721020N02AA reported the horn sound is too weak.
- No Sound: In CS35 Plus, Alsvin and CS85 Coupe, it's common that the horn fails to produce any sound due to wiring issues.
- Intermittent Function: The horn with OE 3721020N02AA may work intermittently in Eado models.
Maintenance Tips of CHANGAN 3721020N02AA Horn for CS35/CS75/Eado/CS35 Plus/Alsvin/CS85 Coupe
- First, when replacing the CHANGAN Horn (OE# 3721020N02AA) for models like CS35 and CS75, ensure the vehicle is turned off to prevent electrical shock.
- Before installation, check the horn's functionality by connecting it to a 12V power source. This can save time if the horn is faulty.
- Locate the original horn on CHANGAN CS35 Plus and Eado. Usually, it's near the radiator grille or in the engine compartment.
- When mounting the new horn, use the appropriate bolts and ensure it's securely fixed to avoid vibration noise.
- For CHANGAN Alsvin and CS85 Coupe, make sure the wiring is properly connected. Incorrect wiring can lead to the horn not working.
Warning: Always disconnect the battery before working on the CHANGAN Horn to prevent short - circuits and electrical damage.