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How to Fix Car Ignition Switch Problems

If your car is running and starts, but the ignition switch doesn't switch over the spark plugs, there could be a myriad of reasons. Some are easy and cheap to fix, others require special tools and assistance from a mechanic.

Lubricate the socket of the key first. You can make use of graphite powder or silicon spray. Make sure that the ignition cylinder is free of no obstructions or loose springs.

Battery

If your car isn't starting, it could be due to the battery being dead. This is a common problem which can be resolved by a jump or charging the battery. If this doesn't solve the problem, it is possible that your ignition switch is defective. This component supplies battery power to other electrical components, like the starter motor and ignition coil. If the ignition switch is damaged it will not allow current to flow through, and the engine won't begin.

The battery is the main source of electrical energy in your vehicle. It's a black box with positive (+) and negative (-) terminals on the top. The terminals may become damaged, preventing the battery from supplying power to the rest the vehicle. By disconnecting the battery you can make use of a wire bristle to remove any corrosion. You can also use a baking soda solution to clean the terminals.

It is also possible that your car's 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 necessary for a properly working engine.

The ignition coil is responsible for changing low voltage from the battery to high voltage that will spark your car's spark plugs to start the engine. If the ignition coil is damaged it will not be able to spark the plugs and your engine will not start. The ignition coil can be inspected by checking the engine for a spark or turning the key to determine if it turns over.

You may also need to replace the starter motor. If you hear a grinding sound when you turn the ignition key, this means that the starter bearings are deteriorating. This could be a costly repair, therefore it is recommended to replace the motor of your starter early in the event that you notice signs of wear and tear. Changing the starter motor is an easy process that requires the replacement of a few parts and bolts.

Alternator

The alternator is an instrument that recharges your battery while your engine is running. It also is the power source for your car's electrical components. If you suspect that there is a problem with your alternator, you should first test the battery. This will allow you to determine if the alternator is causing your battery to run out or whether your battery is old and requires to be replaced.

When the vehicle is idle the alternator supplies power to the dash light and radio. It also provides power to the windshield wipers, the power windows, the electric steering, heated seats, and the power windows. You can use a voltmeter to check your battery and the alternator for proper voltage levels. If your battery is less than 6 volts, it must be charged immediately or replaced. Batteries that are dead or not charged will also prevent the starter from turning the engine on and will require additional jumper cables to start your car.

Before you begin removing the alternator, make sure the ignition is off and all the doors are locked. It is also important to disconnect the negative cable from the battery, and then put it away somewhere safe and put on safety equipment. Refer to a repair manual specific to your vehicle for directions on how to remove the alternator or any other parts.

If your vehicle is equipped with a warning light wire, you can remove it from the back of the generator after removing the belt. This will usually connect directly to the alternator's terminal that is marked WL or IND. Certain vehicles have a separate relay that can perform this function. If your warning light doesn't appear, you must suspect a different problem.

The alternator is a crucial part of your vehicle, and you should check it frequently for signs of problems. While you can perform some of the tests yourself, it's best to bring your vehicle into Les Schwab for a free inspection and expert advice. Our certified technicians will test your battery posts, battery (the terminals marked + and -) for corrosion, fuses, relays, voltage output and cold cranking amps, and more to determine what the issue is.

Starter Motor

The starter motor is an essential component of the ignition system. It is responsible for turning the engine to draw in air, which is necessary to ignite the fuel. If your car isn't starting, it's usually due to a malfunction in the starter motor. There are a variety of methods of troubleshooting that can be used to aid in diagnosing and fixing the problem.

When you turn on your car's ignition key, a switch within the starter engages a pinion-gear that fits into grooves in the flywheel. The pinion gear turns the flywheel that starts the engine. When you release the key the pinion gear retracts, and is released from the flywheel to avoid damage.

There are a myriad of things that could go wrong in the starter motor, such as an electrical problem in the internal windings, a mechanical problem (such as teeth not connecting to the flywheel or pinion gear) or a dead battery. A malfunctioning starter motor may sound like a dead phone battery. It will make a clicking sound when it tries to turn the engine around.

If the starter motor isn't working, one of the first things a mechanic should look at is the state of charge on the battery and its terminals. If the battery is corroded or is low it must be recharged or replaced.

Depending on the extent of the problem The mechanic can also examine the solenoid of the starter with a multimeter. The solenoid is a large magnetic switch that sends a rush of power from the thick battery cables to the starter. The switch connects the thick battery cable to the wires inside the starter that turn the electric motor, plus it pushes an actuator rod that turns on an engaging fork which in turn pushes the gear that pinions to automatically engage with the flywheel.

A jumper wire can be used to disable the ignition. This is a temporary option however it shouldn't be a recommendation unless you know how to do it right. You'll need to carefully route the jumper wire to the battery terminals, and ensure that the switch is in the "Start" position.

Ignition Switch

The ignition switch is where you insert your car keys. The system uses this to start the engine and send electrical current to the starter. However it isn't immune to wear and tear as other parts of the car Ignition repair. The switch can also get stuck inside its slot or become locked. You should be looking for issues regularly so you can act before your car ignition lock doesn't start.

It is possible that your key was locked if the key is difficult to turn or becomes stuck in the ignition. This is a typical issue for many vehicles and is because of a lack of lubrication. Using a silicone or graphite-based oil on the release pin can help. Spray some lubricant on the ignition, and then move the key. If you're stuck then try using a hacksaw or piler blade.

A problem with the ignition can also lead to other problems. The anti-theft system might not function, or the starter motor might not turn on when you put the key in. It could also cause other functions to cease functioning or cease to function at all.

A damaged ignition key replacement switch could also leave you with a lot of extra wear and tear on other components. For instance, if you have a heavy keychain, or several items on your keychain it could strain the lost ignition key switch when you put it in and accelerate the wear and tear on its internal components. Extreme temperature fluctuations can affect the materials and lubricants used in the ignition switch.

It is crucial to test the replacement ignition switch prior to assembling the other components and the steering column. Be sure that the replacement ignition switch is working and that your engine starts smoothly. Double-check the compatibility of the new ignition switch with your vehicle model and model. It may be worthwhile to have a dealership install the ignition switch for you if you aren't confident in your ability to do so. They can also test the replacement and install any other parts that need to be connected or replaced.