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Download How to Diagnose and Repair Automotive Electrical Systems by Tracy Martin free pdf

How to Diagnose and Repair Automotive Electrical Systems by Tracy Martin.


Download How to Diagnose and Repair Automotive Electrical Systems by Tracy Martin free pdf


Preface
While the automotive electrical field has always W fascinated me, it has taken me about 25 years to get to the position of writing this book. I have spent years working in my garage on all makes of vehicles. It has oftentimes been a long and arduous process of trial and error, discovering what works and what doesn't, how to fashion "short-cuts," and most importantly, how to break it all down into simple, easy-to-understand sound bites of information that a reader or beginning mechanic can quickly understand and digest. Fortunately, what has made this process somewhat easier is that I have been taught by some of the best people in the fields of automotive repair and training, Many of the instructional methods used to convey technical information in this book have been borrowed from colleagues, friends, and fellow mechanics and then elaborated upon. However, throughout my experiences I have often been struck by the notion that the related areas of automotive electricity, electronics, and diagnostic testing are needlessly complicated and presented in a confused manner. I have endeavored to correct this imbalance in this book.

In the early 1980s I worked as a lab technician at a large turbocharger manufacturer in Southern California. This company was one of the few pioneering innovators in design and construction of turbochargers for the diesel and automotive markets. It also had the largest engine dynamometer facility on the West Coast. Many auto manufacturers introduced the advantages of turbocharging an engine in the early 1980s, and as a technician in the right place at the right time, I was fortunate enough to see new and developing automotive technology years prior to its incorporation into production vehicles. This environment was the setting in which I received an introduction to some of the earliest electronic engine management systems, their modes of operation, and their inherent "teething" problems.

Along with fellow technicians, I had the opportunity to install test engines into various dyno test cells (soundproof rooms), mounting all the electronics on a plywood board next to the engine. As engine testing progressed, the computer-controlled carburetor or fuel injection system would inevitably crash and burn and have to be repaired. Since there were no service manuals available (they aren't written preproduction), automotive engineers were the only source of information for how the systems were supposed to work. And more often than nor, the response from engineers to queries for more information about why something didn't work out as expected went something like this: "The system couldn't possibly have malfunctioned: it's made using state-of-the-art electronics, designed by a qualified electrical engineer. You must have installed it incorrectly. Although this was not the most ideal environment in which to learn automotive electronics, some technical knowledge rubbed off on me with the help of fellow technicians.

Some years later, the widespread introduction into the automotive industry of carburetors with wires coming out of them and electronic fuel injection systems gave me the opportunity to teach fellow mechanics (now called technicians) what I had learned about how to diagnosis and repair these systems. I taught classes for many nationwide corporations, including Sun, Allen, Nissan, and Snap-On.

Typically, these instructions occurred in the evenings, after everyone had alrcady put in a full day working on cars. Too often, I was faced with a group of ill-fated students all wishing they were home eating dinner instead of sitting in class. Keeping these students awake, interested, and open to learning was a challenge, to say the least. Consequently, over the years I gained invaluable experience and learned, out of necessity, innovative ways of imparting information and keeping things moving during class. As a result, I have been able to incorporate many of those techniques and ideas into this book.

In addition to teaching, I had the great fortune to spend quite a few years working and consulting at a unique and interesting business called Automotive Data Systems (ADS) in California. ADS is a cutting-edge company that provides a telephone automotive diagnostic "hotline" that technicians can call in to receive immediate, real-person, real-world advice on how to diagnose and repair a specific problem on a car as it's being worked on. The automotive database compiled, referenced, and stored at this facility is truly amazing, having (at last count) over 30,000 records, or "tech notes," pertaining to specific years, makes, and models of vehicles and their drivability-related problems. As a result, ADS technicians have been consistently able to give correct advice to customers over 95 percent of the time. With this much confidence in that database and the daily hands-on training I received in diagnostics and troubleshooting, I was able to synthesize a great deal of information about electrical automotive systems and their diagnosis and repair. I am forever indebted to the great bunch of guys I met at this company who have always generously shared and continue to their knowledge and experience with me. Unfortunately, the company, although still in business, has been swallowed up by a large automotive aftermarket solutions provider; many of the employees now work for a large Korean car manufacturer somewhere in Southern California. Hopefully, they've all found diagnostic nirvana there.

Finally, for the last 25 years of my life there has been my wife. On our first date, she showed up at my door only to find me working in my garage on my recently acquired 1964 Corvette. It should have been a portent for her of things to come. However, she was not dissuaded. For this, I am forever indebted to her, especially for her continuing efforts to pump some life into me and make me funny and accessible to humans. I don't know where I'd be without her-probably somewhere else sucking engine juice for life support and wishing I had a wife just like her.
If all these experiences have taught me anything, it's that the more I think I know, the more I realize I don't know much at all. So I'd like to thank some of the people who have helped me over the years, especially with the writing of this book.

Chief and foremost, I'd like to thank Teck. He was my master teacher during my short tenure as a high school auto-shop teacher and also the founder of ADS. His technical and personal advice over the years has been an invaluable source of inspiration, development, and practical growth, and without him I am sure I would be something less of the person I am today. I'd also like to thank both Curt Moore and Dave Bellaver, who allowed me access, through their contacts, to much of the technical information contained in this book. I'd also like to thank especially Mike McElfresh, a former coworker, technical scribe, and overall automotive scholar at ADS. Without his technical editing, and invaluable input, some of the stupid things I originally wrote would have wound up printed in these pages for you to laugh at. Fortunately, his generous gift of time and his always willing-to-help attitude has (hopefully!) saved me from professional embarrassment. Thanks, Mike, for all your help. Lastly and again, there is my wife, whose incredible patience, astute editing skills, and sharp-edged advice (OUCH!) made this a better book. She helped me avoid writing about voltmeters or alternators that "speakor ground path returns that go nowhere. I'd like to thank her from the bottom of my heart and promise her that she doesn't have to read this book "just one more time."

In closing, I'd just like to say that I hope you, the reader, are able to gain some practical skills and knowledge, which will help increase your confidence when faced with automotive electrical challenges. - Tracy Martin

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Book Details:
Format: PDF
Language: English
Pages: 136
Size: 15.3 MiB

Download How to Diagnose and Repair Automotive Electrical Systems by Tracy Martin pdf format for free.
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