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The Importance of Ignition and Key Replacement The ignition switch is a crucial element of the starting system for your car. It's a simple switch but it's crucial. It channels the full power of your battery into a spark that ignites the vapor of fuel and begins the engine. As with any complex system, the ignition switch can develop problems as time passes. Sometimes, it might require a bit of adjustments to make it work. Sometimes, it is necessary to replace the device. What is an Ignition Switch? One of the most important parts of your car, the ignition switch allows you to turn on all the electrical systems that allow you to start your engine. It is crucial however it is misunderstood. This can cause issues with your vehicle. We'd like to explain the fundamentals of the ignition switch, how it functions and what causes it to fail, and how you can keep it functioning smoothly. The ignition switch has three major options: accessory, off, and on. In the off position, your key is removed, but nothing else will turn on. This disables all the systems that don't require you to start your engine, like the dome lights and certain door locks. The accessory position (also known as ACC) lets you use some of your car's non-ignition-controlled systems, like the radio and power windows. To start your car the ignition switch must connect to the circuit that supplies power to the starter motor. To accomplish this it is necessary for the ignition switch to first unlock your ignition cylinder. This is done by recognizing the key that was cut, and it's done electronically. A small tumbler is responsible for locking and unlocking your ignition switch. It should be the same as the cut that is unique to your key. The tumbler is a small piece of metal that has ramps on both sides. When you insert your key, it pushes into the ramps, and then activates the system. The ignition switch is usually a small component that goes by unnoticed until something goes wrong. Because it is responsible for all the major systems that allow your car to run, it's incredibly crucial to take care of it and get it replaced when you suspect it's failing. Luckily, professional auto locksmiths can easily replace the ignition switch and restore your vehicle's functionality to its fullest. What is the mechanism by which an ignition switch work? If your car has ever not started it's possible that the ignition switch was at fault. An ignition switch is a kind of electrical switch that is used to complete a circuit to start your engine. It's part of your vehicle's key cylinder or the ignition button in the latest models. It's a complex system that needs to be functioning properly for your vehicle to start and function correctly. There are four different positions your ignition switch can be in off, accessory, on and start. The off position blocks the flow of power to systems such as your radio or HVAC controls. The accessory position permits systems that don't require a significant amount of power, like dashboard lights and the fuel pump's starting. The on position is where you power your starter, and the start position is where you turn your engine over in order to start it. In your ignition switch there are contacts that shut when the position is changed. These contacts do not have a current that is high through them, but they are relays that allow the functions to function. They are susceptible to a great deal of wear and tear over time. They are also susceptible to failure due to age, heat, and even heavy key chains that cause them to sway and bend and eventually lead to the contacts disconnecting. In addition to this, the ignition switch has an internal mechanical lock that is inside it, which protects your vehicle when it's in a parking spot. It's a safety precaution designed to stop the theft of your vehicle. However, it could be hindered by faulty internal components. You might find that your vehicle is taking longer to start than it normally does, or that it won't start at all. These are all signs that your ignition switch is in need to be replaced. This is a critical part of your car that you depend on to get you to where you want to travel. It is recommended to have a professional diagnosis the problem quickly so you don't get into further trouble. How do I change an ignition switch? The ignition switch supplies power to the charging, starting and ignition systems whenever you switch on your vehicle. Over time, it can be damaged or corroded. This can lead to a range of issues for your vehicle, such as difficulty starting the engine. To avoid further problems you should replace the ignition switch in the event that it is damaged. The procedure for changing an ignition switch could vary based on the make and type of car you own. However, in most instances, the process is relatively simple. To access the ignition switch, you'll have to take off either the dashboard cover or the steering column cover. Once you've removed the dashboard or steering column cover, locate it and pry away the ignition switch assembly. You may also need to remove a few screws. After that, you'll have to disconnect the electrical wires from the ignition switch. After you have removed all electrical connections then you'll be able to disconnect the ignition lock from the ignition switch. If the ignition switch is equipped with washers, you'll need to remove them. Once you have removed the ignition switch and cylinder, you'll have to replace the switch. Make sure that you align the switch with the ignition cylinder correctly. Once you have done this, you are able to reconnect the wire and test the ignition switch. If everything is working properly then you can reassemble your steering column and any covers or panels that you removed. In most cases you will need a new ignition switch key. key ignition replacement have is likely to be worn out and not compatible with the new ignition switch. Some older models will work with the new ignition switch, provided that the key is in good shape. Talk to a professional if are not sure whether you need a new ignition switch or key. A locksmith or dealership service shop will be able to tell you with certainty. You can also request your auto parts store to provide you with a brand new key that will work with the new ignition switch. Do I require a new key? If your car is an older model with a standard key you can replace the ignition without the need for an entirely new key. However, many modern cars feature security systems that are specifically designed and have more sophisticated electronic designs. This means that the replacement ignition switch will most likely need to be paired with a new key to function effectively. In this case it is important to see if your car warranty or insurance covers the cost of the replacement key. Do not attempt to replace an ignition switch by using the proper tools. It is extremely easy to cause more harm by trying to force an ignition or key stuck out of its lock than just hire a professional locksmith to do the job. If you attempt to do it yourself could result in expensive repair bills from unrelated problems or even worse an automobile fire. If the ignition switch is damaged the most common problem is that your car isn't starting. This is often caused by a problem with the transponder chip or the ignition switch itself. If either one of them is not working properly, it can cause the car to have trouble starting in certain places or the anti-theft system may be activated. Generally speaking, if your car will not start you should take it to an auto locksmith in your area for an inspection. They will be able diagnose the problem and suggest the most effective solution. If they have the proper tools and components available, they can also cut you a new car key or program the existing one to the new ignition. If your car is equipped with a transponder chip or smart key (also known as a proximity sensor-based key) you will need to bring it to the dealer to get this kind of replacement. The dealership will need to conduct a relearning process to match the new key to the vehicle. This can be accomplished in the shop or in the parking lot.