| Chapter 56 | Electrical System Fundamentals |
| Chapter 57 | Electrical Components and Wiring Repair |
| Chapter 58 | Meter Usage and Circuit Diagnosis |
| Chapter 59 | Battery Systems |
| Chapter 60 | Starting Systems |
| Chapter 61 | Charging Systems |
| Chapter 62 | Lighting Systems |
| Chapter 63 | Computer-Controlled Systems |
| Chapter 64 | Network Communications and Body Accessories |
| Chapter 65 | Safety, Entertainment, and Antitheft Systems |