Greg Marchand is a noted author, technician, instructor, and former Toyota factory technical specialist. In this guide to quickly diagnosing electrical problems, taken from Intelligentmechanic.com's most popular technical course, Greg lays out the operational basics of electricity as it is applied to the automobile. He then applies these basics to testing electrical circuits for common electrical problems using a digital multi-meter. The five-step diagnostic process described within these pages will allow any technician, from the beginner, to the expert, to quickly, and accurately, diagnose common electrical concerns. Tools, techniques, wiring diagrams, and common electrical problems are discussed in an easy-to-read format. Hands-on exercises are also included for practice in a controlled environment. The simplicity with which complex ideas and processes are described make this book a must read for anyone looking to develop their electrical diagnosis skills.