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.Wiring Diagrams · Automotive Manuals · Vacuum Diagrams · Chevy · Ford · GMC How to get a car wiring diagram — Ricks Free Auto Repair Sep 30, 2017Every day in every auto repair forum I see people ask for a car wiring diagram. It’s really an impossible request. It shows the poster doesn’t understand how car makers design their wiring diagrams and they assume that the wiring diagrams are the same for each engine in that model year.