How does an ignition key switch work?
Once the ignition switch is prompted by key or the push of a button, it activates the voltage from the battery to the ignition coil to produce the engine spark. The engine spark from the coil or coils is directed to the spark plugs to ignite the fuel to make the vehicle run.
How do I turn my ignition switch on?
You have to rotate the key clockwise to turn on the ignition switch. The lock position is to insert the keys only. There is no effect on the steering wheel or other accessories in the lock position. You can take the keys out only in the lock position.
How do you troubleshoot a key switch?
How to Troubleshoot Ignition Switch Problems
- Open the fuse panel in your vehicle underneath the steering column.
- Remove the fuse for the ignition starter.
- Check the metal strip in the fuse.
- Open the hood and set the dial on the voltmeter to “Volts.”
How do I know if my key switch is bad?
Signs Of A Faulty Ignition Switch
- Car Won’t Start. If you turn your key and the car attempts to start, but fails, then you might have a broken ignition switch.
- Key Won’t Turn.
- Car Stalls.
- No Noise From The Starter.
- Dashboard Lights Flicker.
Why does my car not start when I turn the key?
If you turn the key and can hear the starter motor trying to turn the engine over, the lack of power is likely caused by electrical issues such as a weak battery, dirty battery terminals or a worn starter motor. Corrosion over time can interrupt the flow of electricity from the battery to the rest of the car.
What are the 4 positions of the key in the ignition switch?
The 4 position switch features accessory, off, on/run, and start position.
Why is my ignition switch not working?
Worn ignition switch contacts, temperature problems, or broken springs can all cause the ignition switch to fail, preventing you from starting your car. On the road, poor ignition switch contacts could shut the engine off while driving, which could be dangerous.
How do I test my ignition switch?
Put the ignition key into the ignition switch and crank the engine. If the engine cranks, then your ignition switch is obviously working fine. If the engine does not crank, and you hear a “click” when you first turn the key to the “III” position, then your ignition switch is not the problem.