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Automotive Online Interactive Practice Tests. Master Automotive Wiring Diagrams and Electrical Symbols - Auto-Facts.org. Learning how to read a wiring diagram is like learning a new language. Here we’ll talk about what the common symbols stand for so you can take your auto repair game to the next level. Watch the Diy automotive wiring diagrams video at the bottom of the page to find out how to use this information to pinpoint electrical problems like a pro.
Don’t have time to soak up this much knowledge? Bookmark this page or share it with a friend. My Name is Mark and I’m a Certified Master Technician. On this page you’ll find in depth definitions for some of the most common symbols used in the industry standard line drawings. In the electrical schematics to follow you will see symbols are arranged in a circuit to reflect the function, power state, and relative location of various components. An electrical symbol may have a slight resemblance to the actual component or its main function. These lines actually represent current flow in and out of components connection points.