Free Wiring Diagrams - No Joke - FreeAutoMechanic Wiring Diagrams This is not an automated service. Each Diagram that is requested has to be hand selected and sent. As this is a free service it receives an overwhelming amount of requests and may take up to a week or longer for a response. Download · Wire Download Wire for free for mobile or desktop. Available for iOS, Android, macOS, Windows, Linux, and web browsers.