Electrical system checked by an electrician
1. Visual inspection:
* Inspect wiring for damage, corrosion or wear.
* Check all electrical connections, including terminals, clamps and connectors.
* Inspect the battery and its terminals for corrosion, looseness or damage.
2. Battery check:
* Measuring battery voltage using a voltmeter.
* Check the battery capacity using a battery tester.
* Check the battery terminals for corrosion or looseness.
3. Checking the charging system:
* Check the charging voltage using a voltmeter with the engine running.
* Check the charging current using an ammeter.
* Check the generator for noise, vibration or other signs of malfunction.
4. Checking the starter system:
* Check the voltage at the starter while starting the engine.
* Checking the current consumption of the starter during startup.
* Check the starter for noise or burning odors.
5. Checking the lighting system:
* Checking all external and internal light sources for functionality.
* Checking the wiring and connections of the lighting system.
* Checking relays and fuses associated with lighting.
6. Checking the sound signal system:
* Checking the sound signal for functionality.
* Check the wiring and connections of the horn system.
* Checking the relays and fuses associated with the horn.
7. Checking the windshield wipers:
* Checking windshield wipers for functionality.
* Check the wiring and connections of the windshield wiper system.
* Check the windshield wiper motors for noise or burning odors.
8. Checking the anti-theft system:
* Check the operation of the alarm and immobilizer (if installed).
* Checking the wiring and connections of the anti-theft system.
* Checking key fobs or other anti-theft system control devices.
9. Checking other electrical systems:
* Checking the air conditioning, heater and other electrical systems installed in the car.
* Check the operation of fans, sensors and other components associated with these systems.
10. Fault diagnosis:
*Use diagnostic tools such as OBD II scanners or oscilloscopes to identify problems or malfunctions in the electrical system.
* Analyze diagnostic data and determine the most likely cause of the malfunction.