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Most signal and marking lighting devices have light sources (bulbs), which can be based on either filament or LED technology. To assure field replacement, it is important that light source types employed be readily available in normal service channels. This document defines the physical, electrical, and photometric characteristics necessary to achieve a proper replacement for popular types of signal and marking light sources. Some of the design characteristics in this document are listed solely for the sake of standardization and are not intended to describe the performance of lighting devices (lamp assemblies) on the vehicle. Halogen filament light sources suitable for signal and marking lighting are specified in SAE J2560.

Most signal and marking lighting devices have light sources (bulbs), which can be based on either filament or LED technology. To assure field replacement, it is important that light source types employed be readily available in normal service channels. This document defines the physical, electrical, and photometric characteristics necessary to achieve a proper replacement for popular types of signal and marking light sources. Some of the design characteristics in this document are listed solely for the sake of standardization and are not intended to describe the performance of lighting devices (lamp assemblies) on the vehicle.

Most lighting devices on motor vehicles today are required by law and are essential to operation on public roadways. Additionally, most lighting devices have replaceable light sources (bulbs). To assure field replacement, it is important that bulb types employed be readily available in normal service channels. This document attempts to define the physical, electrical, and photometric characteristics necessary to achieve a proper replacement for popular types of bulbs. Some of the design characteristics in this document are listed solely for the sake of standardization and are not intended to describe the performance of lighting devices (lamp assemblies) on the vehicle.

Many of the lighting devices on motor vehicles are required and essential to operation on public roadways. To assure field replacement, it is important that the bulb types employed be readily available, when needed, in normal service channels. Therefore, this document lists an assortment of current popular types, together with their design characteristics, which are recommended for use wherever practicable. It is recognized that because of constantly changing and improving technology, the list may be incomplete. Also, instances may arise in the design of some devices that require the employment of other types while achieving the desired performance. Some of the design characteristics in this document are listed solely for the sake of standardization and have no bearing on how lamp bulbs perform in lighting devices on the highway.

Many of the lighting devices on motor vehicles are required and are essential to operation on the highway. To maintain lighting performance, it is important that the bulb and sealed unit types employed be readily available, when needed, throughout the country in normal service channels. Therefore, this SAE Standard lists an assortment of current popular types, together with their design characteristics, which are recommended for use wherever practicable. It is recognized that because of constantly changing and improving technology, the list may be incomplete. Also, instances may arise in the design of some devices which require the employment of other types while achieving the desired performance. Some of the design characteristics in this standard are listed solely for the sake of standardization and have no bearing on how lamp bulbs perform in lighting devices on the highway. A condensed list of specifications and their applicable tolerances is presented in SAE J1049.

Most lighting devices on motor vehicles today are required by law and are essential to operation on public roadways. Additionally, most lighting devices have replaceable light sources (bulbs). To assure field replacement, it is important that bulb types employed be readily available in normal service channels. This document attempts to define the physical, electrical, and photometric characteristics necessary to achieve a proper replacement for popular types of bulbs. Some of the design characteristics in this document are listed solely for the sake of standardization and are not intended to describe the performance of lighting devices (lamp assemblies) on the vehicle.

Many of the lighting devices on motor vehicles are required and are essential to operation on the highway. To maintain lighting performance, it is important that the bulb and sealed unit types employed be readily available, when needed, throughout the country in normal service channels. Therefore, this SAE Standard lists an assortment of current popular types, together with their design characteristics, which are recommended for use wherever practicable. It is recognized that because of constantly changing and improving technology, the list may be incomplete. Also, instances may arise in the design of some devices which require the employment of other types while achieving the desired performance. Some of the design characteristics in this standard are listed solely for the sake of standardization and have no bearing on how lamp bulbs perform in lighting devices on the highway. A condensed list of specifications and their applicable tolerances is presented in SAE J1049.

Many of the lighting devices on motor vehicles are legally required and arc essential to safe operation on the highway. To maintain performance, it is important that the bulb and sealed unit types employed he readily available, when needed, throughout the country in normal service channels. Therefore, this SAE Standard lists an assortment of current popular types, together with their characteristics, which are recommended for use wherever practicable. It is recognized that because of constantly changing and improving technology, the list may be incomplete. Also, instances may arise in the design of some devices which require the employment of other types while achieving the desired performance.