Service information that covers only electrical systems on all types of vehicles is an example of a ____ information source.

Service information that covers only electrical systems on all types of vehicles is an example of a specific information source. Specific information sources are focused resources that provide detailed insights or data regarding particular subjects or categories. In this case, the focus is solely on electrical systems, which may include components such as wiring diagrams, troubleshooting techniques, electrical maintenance guides, and specifications relevant to various vehicle makes and models. This type of targeted information source is invaluable for professionals in the automotive industry, such as technicians or engineers, as it aids in diagnosing and resolving electrical issues efficiently, ensuring that they have the precise information necessary for their work.