Electrical circuit in a car
Ignition system
* Rechargeable battery
* Starter
* Ignition switch
* Ignition coil
* Ignition distributor
* Spark plugs
Charging system
* Generator
* Rechargeable battery
* Voltage regulator
Lighting system
* Headlights
* Tail lights
*Brake lights
* Turn signals
* Fog lights
Comfort system
* Central locking
* Window lifters
* Air conditioner
* Audio system
*Navigation system
Sensors and devices
*Speed sensor
* Engine speed sensor
* Throttle Position Sensor
* Coolant temperature sensor
*Dashboard
* Odometer
* Tachometer
Fuses and relays
* Fuses
* Relay
* Fuse box
Other components
*Wiring harness
* Electric drive
* Engine control electronics
*ABS (anti-lock braking system)
Note: The electrical diagram may vary depending on the model and year of the vehicle.