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How to Fix Car Ignition Switch Problems There are a myriad of reasons your car might be running and starting but the ignition fails to turn on the spark plugs. Some are easy and cheap to fix, while others require special tools and assistance from a mechanic. First, you need to lubricate the socket of the key. You can use either graphite powder, or a silicon aerosol spray. Make sure that the ignition cylinder is free of no loose springs or obstructions. Battery If your car won't start it could be because your battery is dead. This is a frequent issue which can be resolved with a jump or charging of the battery. If this does not solve the problem, it is possible that the ignition switch is not working properly. The switch is the one that supplies battery power to other electrical components, such as the starter motor and ignition coil. If the ignition switch is defective, it won't allow current to flow through it and the engine won't start. The battery is the primary source of electrical energy in your vehicle. The battery is a black, slender box with positive (+) and negatively (–) terminals on the top. The terminals can get corroded, preventing the battery from providing electricity to the rest of the vehicle. Clean the battery's terminals by disconnection of the battery and using a wire brush to get rid of any corrosion. You can also apply baking soda as a solution to clean the terminals. It is also possible that your car battery is nearing the end of its lifespan and is in need of replacement. A new battery will provide the right voltage to the spark plugs in your vehicle, which is required to ensure that your engine is running properly. The ignition coil converts low voltage from your battery into high voltage that causes the spark plugs of your car, and to start the engine. If the ignition coil is damaged and not functioning properly, it will not be able to ignite the plugs. The engine will not start. You can test the ignition coil by looking for a spark inside the engine or turning the key and observing if the engine turns over. It is possible to replace the starter motor, too. If you hear a grinding sound when you turn on your ignition, it's a sign that the bearings within the starter are beginning to wear out. This can be a costly repair, so it's best to replace the motor of your starter early in the event that you notice signs of wear and wear. The starter motor can be changed by replacing the bolts and components. Alternator The alternator is the one that charges your battery and powers the electrical components of your vehicle while the engine is running. If you suspect that there is a issue with your alternator, you should first test the battery. This will enable you to determine if your alternator draining the battery, or if your battery is old and needs replacement. The alternator in your car also provides power for the windshield wipers, dash lights, electric steering, power windows heated seats, and your radio when the vehicle is idling. A voltmeter can be used to test the voltage of your alternator and battery. If your battery is less than 6 volts it should be charged immediately or replaced. Batteries that are dead or not charged can also stop the starter from turning the engine on and may require additional jumper cables to begin your car. Before you begin dismantling the alternator, make sure the ignition is off and all doors are locked. Also, disconnect the negative cable from the battery, tuck it away in a safe location and put on safety equipment. Consult a vehicle's specific repair manual for guidance on how to gain access to the alternator and any other components you'll need to take off. After you've removed your belt, if your vehicle is equipped with one remove the warning light wire from the side of the alternator. It will typically connect directly to an alternator's terminal that is marked either WL or IND. Some vehicles have a separate relay to perform this function. If your warning light does not come on, it is likely to be an issue with your vehicle. The alternator is a crucial part of your vehicle, and you must examine it regularly to look for signs of problems. While you can do some of the checks yourself, it's best to bring your vehicle to Les Schwab for a complimentary inspection and expert advice. Our certified technicians will examine your battery posts, battery (the terminals that are marked + and –) for corrosion and fuses, relays as well as voltage output and cold cranking amps, and more to determine what the issue is. Starter Motor The starter motor is an important component of the ignition system. It rotates the engine to allow air to be sucked in and ignite the fuel. It is quite common for the starter motor to be the cause of your car doesn't turn. There are several troubleshooting techniques to help you determine the problem and fix it. When you turn on your car's ignition key, a switch within the starter engages a pinion-gear that fits into grooves of the flywheel. The pinion gear then turns the flywheel, which in turn begins the engine. ignition cylinder lock repair retracts when you release the key to prevent damage. There are a myriad of things that could cause problems with the starter motor, such as an electrical problem in the internal windings, a mechanical problem (such as teeth not meshing on the flywheel or pinion gear) or a dead battery. A defective starter motor will just sound like a dead battery; it'll make a clicking noise as it tries to turn the engine, but it won't. The condition of the battery and the terminals of the battery will be examined by a mechanic if the starter motor doesn't work. If the battery is damaged or is not functioning properly it must be recharged or replaced. Depending on how severe the issue is, the mechanic may also test the solenoid with a multimeter. The solenoid is a large magnetic switch that sends a rush of power from the thick battery cables to the starter. This switch essentially connects the battery cable to the windings inside the starter that activate the electric motor and also pushes a rod that actuates an engaging fork, which is then pushed by the gear that pinions to automatically engage with the flywheel. A jumper wire can be used to disable the ignition. This is a temporary fix that you should not try it unless you're confident about how to do it. You'll need to take care to connect your jumper wires to the battery terminals, and make sure that the switch is in the “Start position”. Ignition Switch The ignition switch is where you insert your key into the car. This will allow electrical flow to the starter and then start the engine, however it's not immune to wear and tear like other parts of your car. The switch can also get stuck inside its slot or be locked. It is important to regularly check it for any issues so that you can take action prior to the car not starting. If your key seems to struggle to turn or is stuck in the ignition, it might be locked. This is a problem that occurs in many vehicles because of a lack lubrication. You can make use of a graphite or silicone-based oil to lubricate your release pin. Spray some lubricant onto the ignition, and then move the key. If you're stuck then try using a hacksaw or piler blade. An ignition issue could cause a host of other issues too. The anti-theft feature could not work or the starter motor might not start when you insert the key. This can cause auxiliary functions to stop working or lose power. A damaged ignition switch could cause a lot of wear and tear on other components. If you have keys that have multiple items, or a large one, it can put strain on the ignition switch, which can cause wear on the internal components. Extreme temperature fluctuations may impact the materials and lubricants in the ignition switch. It is crucial to test the replacement ignition switch prior to assembling the other parts and the steering column. Make sure that the switch is working and that the engine starts without any issues. Double-check the compatibility of the new ignition switch with the vehicle's model and model. If you're unsure of your ability to install the new ignition switch, it might be worth hiring a dealership service shop to install it for you. They can also test and connect other parts or replace them.