Possible electrical problems that may cause the car to not start:
Battery:
*Dead or faulty battery
* Poor connections at battery terminals
Starter:
* Faulty starter
* Poor connections at starter
Ignition system:
* Faulty spark plugs
* Faulty high voltage wires
* Faulty ignition distributor or ignition coil
* Faulty engine control module (ECU)
Fuel system:
* Faulty fuel pump
* Clogged fuel filter
* Faulty fuel injectors
Other electrical problems:
*Blown fuses or relays
* Poor connections in wiring harnesses
* Faulty ignition switch
* Faulty ignition switch
Possible causes of electrical problems:
* Corrosion on terminals or connections
*Damaged or frayed wires
*Short circuit
* Poor grounding
* Improper installation or maintenance
Troubleshooting Tips:
* Check the battery and terminals.
* Try starting the engine from another vehicle using jumper cables.
* Check the starter and its connections.
* Check spark plugs, high voltage wires and other ignition system components.
* Check the fuel pump and fuel filter.
* Check fuses and relays.
*Consult a professional mechanic if you cannot fix the problem yourself.