Possible reasons for the loss of electricity in the car:
Battery problems:
* Low battery
* Oxidized or loose battery terminals
* Defective battery
Wiring problems:
* Broken or damaged wires
* Short circuits
* Faulty relays or fuses
Generator problems:
* Faulty generator
* Broken alternator drive belt
* Damaged generator cables
Problems with the ignition switch:
* Faulty ignition switch
* Worn ignition switch contacts
*Broken ignition switch
Problems with the electronic engine control unit (ECU):
* Faulty ECU
* Damaged sensors or wires connected to the ECU
Troubleshooting steps:
1. Check the battery. Disconnect the battery terminals and check the voltage with a multimeter. A fully charged battery should have a voltage of approximately 12.6 V. Clean the battery terminals and replace them if they are oxidized or loose.
2. Check wiring. Look for damaged or broken wires under the hood and inside the vehicle. Replace any damaged wires.
3. Check the generator. Check the voltage at the generator terminals using a multimeter. There should be a voltage of about 13.5-14.5 V when the engine is running. Remove and replace the alternator if the voltage is abnormal.
4. Check the ignition switch. Turn the key to the “On” position. If the gauges do not light up, replace the ignition switch.
5. Check the ECU. To check the ECU, special diagnostic equipment may be required. Contact a qualified mechanic if you suspect the ECU has failed.
Precautions:
*Always disconnect the battery before working on the vehicle’s electrical system.
* Use proper tools and safety equipment.
*If you are unsure of your abilities, consult a qualified mechanic.