WIRING DIAGRAMS Repair Guide - AutoZone AutoZone Repair Guide for your Chassis Electrical Wiring Diagrams Wiring Diagrams Free Wiring Diagrams - No Joke - FreeAutoMechanic Just submit a request for the wiring diagram you want (ex. "Need wiring diagram for charging system") We will provide you with the basic free wiring diagrams in an email that can be viewed, saved or printed for future use. Automotive basic wiring diagrams are available free for domestic and Asian vehicles. Free Auto Repair Diagrams - FreeAutoMechanic Free Auto Repair Diagrams Below we provide access to three basic types of diagrams that will help in the troubleshooting and diagnosis of an automotive related problem. Wiring diagrams are one of the most common these days with all the added electronics. The bells and whistles tend to break the most often.