Chapter 9 – Electrical System

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Chapter Overview

This chapter focused on: Electrical Terms; Battery; Starting System; Charging System; Fuses; Lights; and, Computer.

Battery Related Sites

Belt Related Sites

Electrical Related Sites

Vehicle Service Manual Sites

Apps

Videos

Summary

The electrical system may seem quite complex to the do-it-yourselfer, but there are simple ways to maintain it and save money. Start by keeping your 12-volt DC battery maintained. The starting system converts chemical energy to electrical energy to mechanical energy in order to start the engine. The charging system converts mechanical energy to electrical energy to chemical energy to recharge the battery. Fuses are over-current protection devices. Lights are used in many places on the automobile and periodically need replacing. In addition to a 12-volt DC battery system that powers the computer systems and accessories, electric and hybrid vehicles have a high voltage electrical system that runs electric motors for propulsion. The electrical system activities will assist you in testing and replacing automotive electrical system components. Keep in mind that integrated computer technology can help you keep your vehicle running smoothly and help diagnose problems with trouble codes.

Activities and Study Questions

Activities and study questions can be completed in the Auto Upkeep Workbook.

Career Paths

Research careers using the Occupational Outlook Handbook.