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How to Fix Car Ignition Switch Problems If your car starts and runs, but the ignition switch won't switch over the spark plugs, there may be a number of causes. Some are simple and cheap to repair, while others require specialized equipment and the assistance of mechanics. Lubricate the socket of the key first. You can apply graphite powder, or a silicon aerosol spray. Make sure that the ignition cylinder is free of no loose springs or obstructions. Battery It could be that your battery is dead if your car won't start. This is a common issue which can be fixed with a battery charge or the jump. If this does not fix the issue, your ignition switch may be bad. This component supplies battery power to the other electrical components, like the starter motor and ignition coil. If the ignition switch is defective it will not allow current to flow through, and the engine will not begin. The battery is the main source of the electrical energy that is used in your vehicle. The battery is a black, slender box that has positive (+) and negative (–) terminals at the top. The terminals could become corroded and prevent the battery from providing power to the rest the vehicle. By disconnecting the battery, you can make use of a wire bristle to remove any corrosion. G28 Car Keys can also clean the terminals using a baking soda solution. It is possible that your vehicle's battery is nearing the end of its lifespan and requires replacement. A new battery will provide the right voltage to your vehicle’s spark plugs. This is essential to ensure that your engine is running properly. The ignition coil converts the battery's low voltage into high voltage, which causes it to ignite the spark plugs of your car and start the engine. If your ignition coil is not working properly it won't be able spark the plugs. Your engine won't start. The ignition coil can be inspected by examining the engine for sparks or turning the key to check if it turns over. You may need to replace the starter motor too. If you hear a grating sound when you turn on your ignition, this means that the starter bearings are deteriorating. It could be a costly repair, so it's best to replace your starter motor when you begin to detect signs of wear. The starter motor can be changed by replacing the bolts and components. Alternator The alternator is the one that charges your battery and also powers the electrical components of your car when the engine is running. Test the battery first if you suspect your alternator is malfunctioning. This will help you determine if the alternator is causing the battery to run out or whether the battery is just old and needs to be replaced. Your car's alternator also supplies the power to the dashboard lights, windshield wipers as well as electric steering, power windows heated seats, and your radio when the vehicle is idle. You can use a voltmeter test your battery and alternator to determine the proper voltage levels. If your battery is less than 6 volts it should be replaced or charged immediately. A low or dead batteries can also stop the starter from turning over the engine and may require additional jumper cables to begin your car. Before you begin removing the Alternator, shut off the ignition and lock all doors. Remove the negative cable and secure it. Wear safety gear. Consult a repair manual specific to your vehicle for instructions on how to remove the alternator, or any other parts. If your car has a warning light wire, you can disconnect it from the back of the generator after taking off the belt. The wire will connect directly to the alternator terminal identified WL or IN. Some vehicles have a separate relay to perform this function. If the warning light doesn't come on, you should be able to identify a different issue. The alternator is an essential component in your vehicle, and you should check it frequently for signs of trouble. You can carry out some of these checks by yourself, however it is best to bring your car to Les Schwab so they can examine it and offer you advice from a professional. Our technicians can check for corrosion on your battery, battery posts (+ and +), fuses, relays and voltage output as well as cold starting amps and more. Starter Motor The starter motor is a crucial element of the ignition system. It rotates the engine so that air can be drawn in and ignite the fuel. It is quite common that the starter motor will be the cause of your car isn't turning over. There are many ways to troubleshoot that can help you diagnose and fix the problem. When you turn on your vehicle's ignition key, a switch inside the starter activates a pinion gear that is fitted into grooves on the flywheel. The pinion gear turns the flywheel, which begins the engine. When you release the key, the pinion gear retracts, and disengages from the flywheel to prevent damage. There are a variety of things that can be wrong with the starter motor such as an electrical problem in the internal windings, a mechanical issue (such as teeth not meshing on the flywheel or pinion gear) or a dead battery. A faulty starter motor can sound like a dead phone battery. It can make a clicking sound as it tries to turn the engine over. If the starter motor isn't functioning, one of the first things a mechanic would examine is the condition of charge of the battery and its terminals. If the battery is damaged or is low it must be charged or replaced. Depending on how serious the issue is, a mechanic can also test the solenoid with a multimeter. The solenoid, which is a large magnet switch, sends an energy surge from the thick batteries cables to the starter. This switch basically connects the long battery cable to the windings inside the starter that actually turn the electric motor and also pushes the rod, which turns an engaging fork which is then pushed by the pinion gear to automatically engage with the flywheel. Another option is to disable the ignition switch with the jumper wire. This is a temporary solution however it shouldn't be a recommendation unless you know how to perform it correctly. You'll need to carefully route the jumper wire to battery terminals and be sure the switch is set to the “Start” position. Ignition Switch The ignition switch is where you insert your key into the car. This will enable electrical flow to your starter and to start the engine, however it isn't immune to wear and tear as other parts of your car. The switch can also become stuck in its slot or locked. It's important to check it regularly for problems so that you can take action prior to the car not starting. It is possible that your key was locked if the key is difficult to turn or gets stuck in the ignition. This is a common problem for a variety of vehicles and occurs due to a lack of lubrication. You can apply a graphite- or silicone-based lubricant to lubricate the release pin. Spray a bit of it into the ignition and try moving the key. If you're stuck you can try using a piler or hacksaw blade. An ignition issue could cause a host of other issues as well. The anti-theft device may not function or the starter motor may not crank when you put the key in. This can cause auxiliary functions to stop working or lose power. A malfunctioning ignition switch could also leave you with a lot of wear and tear on other components. For example, if you carry a bulky keychain or a variety of items on your keychain, it could put strain on the ignition switch when you insert it in and accelerate the wear and tear on its internal components. Extreme temperature fluctuations may affect the materials and lubricants in the ignition switch. It is crucial to test the replacement ignition switch prior to assembling the other components and the steering column. Make sure the replacement is working and that the engine is running without issue. Verify the compatibility of the new ignition switch with your car's model and make. If you're unsure of your ability to install an ignition switch that is new it could be worth employing a dealership service shop to do it for you. They can also test the replacement and install any other components that need to be connected or replaced.