How to Read Circuit Schematics
How To Use Circuit Schematics (Part 1 Of 2):
We use two main troubleshooting tools, (1) the schematic, and (2) your knowledge of electricity and general electrical circuits. The wiring schematic can often be used without other diagnostic Information, as it often shows operating and troubleshooting information. This is enough to diagnose most electrical problems.
Look over the schematic example and familiarize yourself with some of the features found on the schematic.