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Automotive Technology

This guide will help with understanding the basics of Automotive Technology, maintenance, and repair.

Car Electrics Video

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Electrical and Electronic Systems


Electrical and Electronic Systems of an Automobile

Description of a car's electrical system

A Car's electrical system is very complex in today's auto industries, everything from lights, brakes, accessories, ignitions, and throttles are all controlled electronically. The list below represents a general inventory of components that may be found within a vehicle depending on how complex its electrical system. The list may not cover all components.

Main Components:




Additional Components:

Ignition systems

Wiring Systems



Electronic Control Unit

Engine Control unit

Electronic Fuel Injection/Throttle body


Computer chips

Lighting systems


Audio Visual Equipment/Accessories 

Power electronics such as power windows, locks, keyless entry, etc. and their components

Links to Automotive Electronic and Electrical Systems

Automotive Electrical Circuits 

Automotive Electronics Council (AEC) Component Technical Committee 
Electronic Design 
Kevin Sullivan's Autoshop101 
Starting and Charging Diagnostic Tool 
Automotive Electrical & Electronics 
Automotive Lighting by Hella Tech World 
Common Automotive Sensor Guide 
Troubleshoot Car Electrical Problem 

Interactives and Online Journals

Automotive Electrical Systems 
Popular Mechanics: How to Diagnose Car Electrical Problems by Tracing Voltage Drops 

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