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. Free Wiring Diagrams - No Joke - FreeAutoMechanic Free wiring diagrams for your car or truck. Including lighting, engine, stereo, hvac wiring diagrams. Get your Free Automotive Wiring Diagrams Sent right to you, Free Wiring Schematics. Free Wiring Diagrams . Free Auto Repair Manuals . Free vehicle specific wiring diagrams available upon request. Labeled diagram of car engine - Carsut The labeled diagram of car engine shared here is one of the best free car engine diagrams you can find. This is because the engine shown in the diagram below is one of the most basic yet simple car engines ever built over the century. It is an Austin 848 cc engine completed with all the important engine parts which make the engine runs.