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Common Causes of Faulty Ignition Switches Ignition switches supply the initial power to your car's accessories and engine. They also determine if your vehicle's keys are in the accessory on or off position. To avoid problems with your ignition switch to avoid problems with the ignition switch, keep spare keys and other items on an additional chain separate from your car's key. This will help reduce the stress on your car's key cylinder. How the Ignition Switch works The ignition switch is at the core of your vehicle. It is the first thing you touch when getting ready to start your car, and the last thing you would want to be faulty. This is why it's essential to have your ignition switch replaced or repaired immediately you begin to notice signs of trouble, like difficulty starting or a pulsing engine. The primary function of the ignition switch is to supply the initial energy to other systems within your vehicle, such as accessories, radio, and windows. The ignition switch is also responsible for activating the engine and starter motor when the key is turned to the “on' position. In order for the ignition system to function there must be a spark that can ignite the air and fuel in the engine of your vehicle to begin. The spark is generated by the ignition coil which creates a magnetic field around the rotor as the current moves through it. As the rotor spins, the magnetic field increases, and then the ignition spark is released. This spark can turn the pistons of your engine, sparking the engine and causing it to start. The ignition switch controls the electrical current that runs through the primary and secondary circuits of your ignition system. When the switch is in the “on” position the battery is able to send a low voltage current to the primary windings and breaker points of your ignition coil. This creates a magnet field that can ignite the spark plugs and turn the rotor. When the ignition switch is set to'start' the primary and secondary circuits are closed. When the distributor and rotor cap terminals rotate, the electrical contact between them is broken and the secondary flow and completes the primary circuit. The breaker points will close and ignite the spark plug. This will ignite the engine in a matter of seconds. Be aware that the ignition switch could be a delicate machine that shouldn't undergo too much force when it is turned. If you put excessive pressure, the switch may break and you'll require a professional to remove it for repair. Common Ignition Switch Problems It is crucial to keep the ignition switch in good working order since it is the first point of access to vehicle power. A failing switch can cause a wide variety of problems with your vehicle and make it difficult to drive or use your preferred accessories. Understanding the common causes of failure of the ignition switch is an important first step to finding and fixing your vehicle's issues. An obvious sign of a problem with your ignition switch is if you have difficulty turning the key to start your vehicle. In most cases, this means that you have to jiggle or try multiple times to get the key to turn. This is due to the internal wear and tear or other damage to the ignition switch, which could be caused by a variety of factors. Heavy Keychains When you insert the ignition key, a heavy keychain that contains a variety of keys, key fobs, and other accessories may put extra stress on the switch. This could cause the switch to overheat and accelerate internal degradation and wear. Extreme temperatures and harsh climates can adversely affect the materials and lubricants in the ignition switch. This can accelerate its breakdown with time. Moisture and environmental contaminants can affect the switches internal components. This can lead to poor connectivity. Manufacturing Defects Certain ignition switches have flaws or flaws in their design that can cause premature wear and damage. This could be due to inferior materials, improper assembly, or other issues. A customer once brought their vehicle into our shop because the dashboard and radio lights were not functioning. We found that the ignition switch had no anymore supplied power to the accessories. Since the ignition switch is supposed to supply power to the accessory and crank positions when it's activated this could be a sign of that there is a problem with the switch. Another issue with the ignition switch is if the key is stuck within it. This is an indication of a worn-out or broken ignition switch which will need to replaced. A professional locksmith will use tools such as a hacksaw blade or piler to remove the ignition key. Ignition Switch Replacement The ignition switch transmits signals that trigger a variety of important automotive systems. If it goes bad it can prevent your car from starting, and may cause damage to other electrical components too. It is recommended to replace it as soon as possible if you notice any signs that the key is not working properly. You can replace the switch by yourself, but be careful. You'll be dealing with a delicate piece of equipment, and it's recommended to let a professional handle this job so you don't end up stuck in traffic or cause serious injury. If your switch isn't functioning, it could be due to a worn-out contact point or a defective connector. Heavy keys or a long keyring can also wear on the cylinder and switch, eventually causing it to disconnect from the cylinder. You'll notice that turning the key requires more force, and at times, nothing occurs. This is a sign it's time for an replacement However, the majority of people ignore it and continue to turn the ignition switch to turn on their car. Depending on the model and brand of your vehicle, replacing the ignition switch can be simple or difficult. In the majority of instances, a technician must take off the cover for the steering column and disconnect the switch from the cylinder. They'll then remove the old switch and put the new one in. After that the mechanic will re-connect the electrical connections and test the switch to ensure it's functioning correctly. Some vehicles have an anti-theft feature that requires an ignition key to turn the car on. The switch will need to be reprogrammed to accept the new key when it is replaced. car ignition locked does not apply to all vehicles, since older models can be started with an ordinary key in the event that the ignition switch is not working. However, most modern cars require a key that is 'chipped' to start them. Therefore, the switch needs to be replaced when the key does too. Repair of the ignition switch The ignition switch is responsible of turning the electrical 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, if the ignition switch fails, it can cause your car to lose power in a variety of locations. This is why you must be aware of signs that your ignition switch is in need of repair or replacement. One of the first signs that the ignition switch is not working is when you start having difficulties turning your key in the ignition. If you're struggling to turn the key, it's an indication that the wafers in the ignition switch are wearing out. This could be due to wear and wear or environmental factors like dust, dirt, or corrosion. A frequent issue is an engine that stalls when driving. This is usually caused by the ignition switch not being capable of providing the engine with enough power and can be a source of frustration and even dangerous for drivers. It is recommended to visit your local auto repair shop immediately if you discover any issues with your ignition switch or lock cylinder. The relays on the accessory side aren't working also This is a further indication that the ignition switch has failed. It is also possible that the dashboard lights are flickering. If you suspect that your ignition switch may be bad take off the trim around the dash and steering wheel. This will allow access to the ignition switch which is located on a circular module located at the top of the steering column or in the center console. You'll need to take out the screws that secure the module, and then loosen the wire connectors with the help of a screwdriver or another tool. You can then take out the old ignition and replace it with a new one. Be sure to test it before building it up again, making sure that the key can be turned into the ON position and then to the START position. You should also re-connect the battery and make sure whether your devices are functioning.