7 Copyright by Goodheart-Willcox Co., Inc. Contents Section 1—Fundamentals Chapter 1 Overview of Electrical/Electronic Systems . . . . . . . . . 17 The Electronic Revolution . . . . . . . . . . . . . . . . . . .18 Electric vs. Electronic | Mechanical vs. Electric/Electronic | System Interaction | Th e Future of Auto Electronics Electrical/Electronic Systems. . . . . . . . . . . . . . . 19 Computer Systems | Starting and Charging Systems | Ignition Systems | Fuel Systems | Lighting and Instrumentation Systems | Wiper/Washer and Horn Systems | Seat, Window, Lock, Mirror, and Sound Systems | Restraint Systems | Chassis Systems Chapter 2 Electrical Principles . . . . . . . . . . . . . . . . . 35 Atomic Structure . . . . . . . . . . . . . . . . . . . . . . . . 36 Parts of an Atom | Types of Atoms | Free Electrons Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Conductors and Insulators | Functions of Electricity Magnetism . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Like and Unlike Charges | Electromagnetism | Induction Electric Circuits. . . . . . . . . . . . . . . . . . . . . . . . . 38 Voltage | Current | Resistance | Relationship of Voltage, Current, and Resistance Conventional Current and Electron Flow Theories . . . . . . . . . . . . . . . . . . .41 Direct and Alternating Current . . . . . . . . . . . . . . 42 Chapter 3 Electric Circuits and Ohm’s Law . . . . . . . 45 Types of Circuits . . . . . . . . . . . . . . . . . . . . . . . . 46 Series Circuit | Parallel Circuit | Series- Parallel Circuit | Frame-Ground Circuit Ohm’s Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Change in Resistance | Change in Voltage | Change in Current Circuit Calculations. . . . . . . . . . . . . . . . . . . . . . 50 Series Circuit Calculations | Parallel Circuit Calculations | Series-Parallel Circuit Calculations | Electric Power Calculations Prefi xes for Electrical Units . . . . . . . . . . . . . . . . 53 Chapter 4 Electric Components. . . . . . . . . . . . . . . . 57 Types of Electric Components . . . . . . . . . . . . . . 58 Resistors | Batteries | Switches | Capacitors | Fuses | Circuit Breakers | Flashers |