SAE J 377:2007 PDF Download

The SAE J 377:2007 standard specifies the minimum operational requirements for electrically driven horns installed on new automotive vehicles. The standard focuses on establishing guidelines for the operational life, environmental conditions, and sound level output of these devices. It aims to ensure that these horns meet the necessary standards for effective and efficient sound signaling on the road.

The standard also lays out the requirements for test equipment, environment, and procedures to be utilized during the evaluation of these horns. This ensures that the testing is conducted in a consistent and standardized manner, leading to accurate and reliable results. By adhering to these guidelines, manufacturers can ensure that the horns installed on their vehicles meet the specified sound level requirements and can effectively signal traffic in various conditions.