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How to Fix Car Ignition Switch Problems If your car starts and runs, but the ignition switch doesn't turn on the spark plugs, there may be a number of reasons for this. Some are simple and inexpensive to fix, while others require specialized tools and assistance from a mechanic. Lubricate the key socket first. You can use graphite powder or a silicon spray. Also, ensure that the ignition cylinder is free of any obstructions and loose springs. Battery If your car isn't starting it could be due to the battery being dead. This is a common problem that can be solved by a jump or charging the battery. If this does not solve the issue, it's likely that your ignition switch is bad. This component supplies battery power to other electrical components, including the starter motor and ignition coil. If the ignition switch is defective it won't allow current to flow through, and the engine will not start. The battery is the main source of electrical energy in your vehicle. It's a black, insulated box with positive (+) and negative (–) terminals on the top. The terminals may get corroded, preventing the battery from supplying power to the rest the vehicle. You can clean the battery terminals by disconnecting the battery and using a wire brush to remove any corrosion. You can also clean the terminals with a baking soda solution. Your car's battery could be nearing the end of its lifespan and need to be replaced. A new battery will provide the correct voltage to your vehicle's spark plugs. This is crucial for a properly functioning engine. The ignition coil is responsible for changing low voltage from the battery into high voltage that will spark the spark plugs in your car to start the engine. If the ignition coil is damaged and is not able to spark the plugs, and your engine won't start. You can test the ignition coil by checking for a spark in the engine or turning the key and observing whether the engine spins. You may have to replace the starter motor too. If you hear a grinding noise when you turn the key in your ignition, it's a sign that the bearings in the starter are beginning to wear out. This could be a costly fix, so it's recommended to replace the motor of your starter early when you see any signs of wear and tear. The starter motor can be changed by replacing the bolts and components. Alternator The alternator is an appliance that charges your battery when your engine is running. It also provides power to your car's electrical parts. If you suspect a issue with your alternator, you should first test the battery. This will allow you to determine if the alternator is causing the battery to run out or whether the battery is just old and requires to be replaced. Your car's alternator also supplies power for your dash lights, windshield wipers, electric steering, power windows heated seats, and your radio while the vehicle is idling. A voltmeter can be used to determine the voltage of your alternator and battery. If your battery's voltage is lower than 6 volts, it should be replaced or charged right away. Batteries that are dead or not charged will also prevent the starter from turning over the engine and may require additional jumper cables in order to start your vehicle. Before you begin dismantling the Alternator, shut off the ignition and lock all doors. Disconnect the negative cable and store it safely. Wear safety gear. Check out a repair manual that is specific to your vehicle to get instructions on how to remove the alternator, or any other parts. If your vehicle has a warning light wire, you can disconnect it from the back of the generator after taking off the belt. This wire will connect directly to an alternator connector marked WL or IN. Certain vehicles, however, have a separate relay for this function. If your warning light does not blink, it's likely that you have an issue that is not related to the one you are experiencing. It is recommended to regularly check your alternator for any signs of malfunction. While you could perform some of the checks on your own, it's recommended to bring your vehicle to Les Schwab for a complimentary inspection and expert advice. Our technicians can test for corrosion on your battery posts, battery (+ and –), fuses, relays as well as voltage output as well as cold starting amps and many more. Starter Motor The starter motor is a crucial element of the ignition system. It rotates the engine so that air can be sucked into it and ignite the fuel. If your car isn't starting, it's typically caused by a problem with the starter motor. Fortunately, there are several methods of troubleshooting that can be used to help you diagnose and fix the problem. When you turn on your vehicle's ignition key, a switch within the starter activates a pinion gear that is fitted into grooves on the flywheel. The pinion gear turns the flywheel which begins the engine. The pinion gear retracts when you release the key to avoid damage. There are many things that could be wrong in 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. Often, a defective starter motor can sound like a dead battery. it will make a clicking sound as it tries to turn over the engine but can't. If the starter motor isn't functioning, one of the first things a mechanic would look at is the state of charge on the battery and its terminals. If the battery is not fully charged or has corrosion on its terminals, it will need to be charged or replaced. Depending on the extent of the problem The mechanic can also test the starter solenoid with a multimeter. The solenoid is a massive magnetic switch that transmits an electric current from the battery cables that are long and thick to the starter. The switch connects the long cable from the battery to the starter's windings which turns the motor. It also pushes the rod to activate an engaging fork that pushes the pinion to automatically engage the flywheel. A jumper wire can be used to disable the ignition. This is a temporary solution but it shouldn't be recommended unless you're able to do it correctly. You will need to carefully connect your jumper wires the battery terminals, and make sure that the switch is in the “Start position”. Ignition Switch The ignition switch is the place 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 car parts. The switch could also get stuck in its place or become locked. You should be looking for issues regularly so you can act before the car won't start. If your key is experiencing a struggle to turn, or gets stuck in the ignition, it might be locked. This problem is common in vehicles because of a lack grease. You can apply a graphite- or silicone-based lubricant to lubricate the release pin. Spray some lubricant on the ignition, then move the key. If it's still stuck, make use of a piler or a hacksaw blade to help move it. www.g28carkeys.co.uk can cause a variety of other issues, too. The anti-theft device may stop working, or the starter motor may not crank when you put the key. It can also cause auxiliary functions to stop working or cease to function at all. A malfunctioning ignition switch could also leave you with a lot of extra wear and tear on other parts. For example, if you carry a bulky keychain, or several items on your keychain, it could strain the ignition switch when you plug it in and accelerate the wear on its internal components. Extreme temperature fluctuations may affect the lubricants and materials used in the ignition switch. It is important to test the new ignition switch before reassembling other parts and the steering column. Make sure the replacement ignition switch functions and that your engine is running smoothly. Verify the compatibility of the new ignition switch with your car's model and model. It may be worthwhile to have a dealership install the ignition switch for you, if you aren't sure about your ability to do so. They can also test and connect other components or replace them.