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Common Causes of Faulty Ignition Switches Ignition switches are the first source of power to your car's accessories as well as the engine. They also determine whether your car's keys are in the accessory, on or off position. Keep any extra keys, keepsakes, and other items on a chain separate from the car key to avoid ignition switch issues. This will help reduce the stress on the key cylinder. How the Ignition Switch Works The ignition switch is the center of your vehicle. It is the first thing you touch when you are getting ready to start your car and the last thing you would want to be faulty. It is therefore important to repair the ignition switch or changed immediately if there are any signs of trouble. The ignition switch's primary function is to provide the power to other systems in your vehicle like the radio as well as accessories and windows. The ignition switch also turns on the engine and starter motor when the key is in the “on” position. The ignition system must work because it needs sparks to ignite the fuel and air in your car to start. The spark is generated by the ignition coil which creates an electric field around the rotor when the current flows through it. When the rotor spins the magnetic field builds up and the ignition spark is released. repair ignition lock cylinder will then turn the pistons of your engine, igniting them up and allowing it to get to start. The ignition switch controls the electrical current running through your secondary and primary circuits. When the switch is in the “on” position the battery will send low voltage current through the primary windings of your ignition coil and then through the breaker points. This creates a magnet field that could ignite the spark plugs and turn the rotor. When the ignition switch is turned to “start” the primary and secondary circuits will be closed. When the distributor and rotor cap terminals rotate, the electrical connection between them break and stops the secondary flow and closes the primary circuit. The breaker points are able to close and create a spark at the spark plug which will then fire the engine within a matter of seconds. Be aware that the ignition switch can be a delicate machine that shouldn't undergo too much force when it is turned. If you apply excessive pressure, the switch could break and you'll require a professional to remove it to repair. Common Ignition Switch Problems The ignition switch is the initial access to vehicle power, so it's essential to ensure it's in good condition. A failing switch can cause many problems with your vehicle, making it difficult to drive or use your favorite accessories. Understanding the common causes of failure of the ignition switch is an important first step to identifying and addressing your vehicle's issues. If you're having difficulty turning the key, it could be an indication that your ignition switch is not working. In most cases, this means that you have to move or try multiple times to get the key to turn. This is because of the wear and tear on the internal circuit or other damage to the ignition switch that can be caused by a variety of factors. Heavy Keychains When you insert the ignition key, a bulky keychain with a number of keys, key fobs, and other accessories could put additional pressure on the switch. This could cause the switch to overheat and accelerate internal degradation and wear. Extreme temperatures and harsh climates can negatively affect the lubricants and materials used in the ignition switch, speeding up its breakdown over time. Moisture and environmental contaminants can also affect the switches internal components, which can lead to poor connectivity. Manufacturing Defects Some ignition switches have flaws or defects in their design that could cause premature wear and damage. This could be due defective materials, faulty assembly, or other issues. One customer brought their vehicle to our shop when the radio and dashboard light stopped working. We found that the ignition switch was no longer supplying power to the accessories. Since the ignition switch is supposed to supply power to the crank and accessory positions when it's activated this could indicate that there is a problem with the switch. The key may also cause issues with the ignition switch if it becomes stuck in the. This is a sign of a worn-out or broken ignition switch which needs to be replaced. A professional locksmith will be able to extract the key from the ignition switch by using tools such as a piler or hacksaw blade. Ignition Switch Replacement The ignition switch sends signals to activate vital car systems. If it goes bad it could stop your vehicle from starting and could cause damage to other electrical components as well. It's important to replace it when you notice any indication of trouble, for example, the key getting hard to turn or not turning at all. You can usually replace the switch yourself, however you should be careful. You'll be working with a delicate piece of machinery and it's advisable to have an expert handle the task to ensure that you don't get trapped in traffic or causing serious injury. If your switch is malfunctioning it's probably due to an aging contact point or a weak connection. A long keyring or a heavy set of keys can cause wear on the cylinder, which causes the switch to be disconnected from the cylinder. You'll notice that turning the key requires more force, and sometimes, nothing happens. This is a sign that it's time to replace the switch However, the majority of people ignore it and continue to jiggle the key to start their cars. Depending on your vehicle's model and make, replacing the ignition switch can be straightforward or complicated. In the majority of instances, a technician will remove the cover of the steering column and disconnect the switch from the cylinder. They'll then take the old switch out and put the new one in. Before they finish the mechanic will re-connect the electrical connections and test the switch to make sure it's functioning correctly. Certain vehicles come with an anti-theft system that requires a particular key to turn it on, so the switch needs to be programmed to accept a brand new key after the switch is replaced. It's worth noting that this isn't the case for all vehicles, as even older models can be started using an ordinary key in the event that the ignition switch isn't functioning. The majority of modern cars require a 'chipped key' to start them. The switch will also need to be replaced if the key fails to work. Ignition Switch Repair The ignition switch is in charge of turning the power off and on to the starter accessories, powertrain, and components of your vehicle. Since it is the direct connection for transferring power to these parts in the event that the ignition switch malfunctions, it can cause your vehicle to lose power in a variety of locations. This is the reason you must be aware of indications that your ignition switch is in need of repair or replacement. If you are having trouble turning the ignition key it's an indication that the ignition switch is failing. If you're having difficulty turning the key, the wafers within the ignition switch might be worn out. This could be caused by the use of the switch over time or environmental factors such as dirt, dust, and corrosion. Another problem that can be encountered is when your engine stops while you drive. This is usually caused by the ignition switch not being in a position to supply the engine with sufficient power and this can be a hassle and potentially dangerous for drivers. You should visit your local auto repair shop as soon as you notice any issues with your ignition switch or the locking cylinder. The relays on the accessory side may not be working as well This is a further indication that the ignition switch is malfunctioning. You might also notice that the lights on your dashboard are flickering. If you suspect that your ignition switch is bad the first step is to remove the trim around the steering wheel and dash. This will let you gain access to the ignition switch which is mounted on a round piece of equipment at the top of the steering column or inside the center console. You'll need to take out the screws that hold the module in place and then loosen the wire connectors with a screwdriver or other tool. Then, you can remove the old ignition and replace it with a new one. Make sure to test it before building it up again and make sure that the key can be turned into the ON position and then back to the START position. You should also re-connect the battery and ensure whether your devices are functioning.