Main components of a car’s electrical system
Battery
* Provides electricity to the starting system and other electrical components of the vehicle.
Generator
* Converts mechanical energy into electrical energy and charges the battery.
Starter
* Starts the engine by operating the flywheel.
Wiring
* Connects electrical components and allows current to flow.
Fuses and relays
* Protect the electrical system from overloads and short circuits.
Electronic control unit (ECU)
* Controls various vehicle functions including fuel injection, ignition and transmission.
Lighting
* Provides visibility and improves driving safety.
Dashboard
* Provides information to the driver including speed, fuel level and engine speed.
Keyless start system
* Allows you to start the car without a key.
Navigation system
* Provides the driver with route directions and traffic information.
Audio system
* Provides entertainment while driving.
Electrical System Checks and Maintenance
Regular Maintenance
* Check and clean battery terminals.
* Replace the air filter to ensure sufficient air flow to the generator.
* Check the integrity of the wiring for damage or corrosion.
Diagnostics
* Use the diagnostic scanner to detect trouble codes and troubleshoot problems.
* Check the battery voltage using a voltmeter.
Repair
* Replace blown fuses or faulty relays immediately.
* Repair or replace damaged wiring.
*Consult a qualified mechanic for more complex repairs.
Safety Tips
* Disconnect the battery before performing any work on the electrical system.
* Do not touch exposed wires or metal components.
* Use approved electrical connectors and seals.
* Wear protective gloves and goggles.