Vehicle electrical system
Generator
* Converts mechanical energy into electrical energy
* Charges the battery and powers the ignition system and other electrical components
Battery
* Stores electrical energy
* Provides power to the ignition system and other electrical components when the generator is not running
Ignition system
* Creates the spark in the cylinders necessary to burn fuel
* Includes ignition coil, distributor and spark plugs
Power system
* Delivers fuel to the engine
* Includes fuel tank, fuel pump and injectors
Engine management system (ECU)
* Regulates engine operation by monitoring various sensors and controlling various components
* Optimizes performance and fuel efficiency
Lighting system
* Provides visibility at night
* Includes headlights, taillights, turn signals and parking lights
Windshield wiper and washer system
* Removes rain, snow and dirt from glass
*Includes wipers, washer jets and water pump
Air conditioning system
* Provides cooling and temperature control in the cabin
* Includes compressor, evaporator, condenser and fan
Audio system
* Plays music, radio and other audio content
* Includes head unit, speakers and amplifier
Wiring
* Connects all electrical components in the system
* Provides power and signal transmission
Fuses and relays
* Protect electrical components from overloads
* Provide isolation and power management
Diagnostic port
* Allows you to connect to your car computer for diagnostics and troubleshooting