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How to Fix Car Ignition Switch Problems

There are a myriad of reasons your car might run and start but the ignition won't start the spark plugs. Some are easy and inexpensive to fix, whereas others require special equipment and the help of a mechanic.

The first step is to lubricate the socket that holds the key. You can use graphite powder, or a silicon aerosol spray. Also, make sure the ignition cylinder is free of obstructions and springs that are loose.

Battery

It could be that your battery is dead when your car ignition locked isn't starting. This is a frequent issue which can be fixed with either charging your battery or an electrical jump. If this doesn't fix the issue your ignition switch could be defective. This component supplies battery power to the other electrical components, like the starter motor and the ignition coil. If the ignition switch is damaged, it is not able to allow current be passed through, and the engine won't start.

The battery is the source of all the electrical energy that is used in your vehicle. The battery is a black, slender 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. Clean the battery's terminals by disconnection of the battery and using a wire brush to remove any corrosion. You can also clean the terminals with a baking soda solution.

It's also possible that your car battery has just reached the end of its lifespan and requires replacement. A new battery will supply the correct voltage to the spark plugs in your vehicle which is necessary for a properly working engine.

The ignition coil converts low voltage from your battery into high voltage that causes the spark plugs in your car, and to start the engine. If the locksmith ignition replacement cost coil is defective, it won't be capable of sparking the plugs and your engine won't start. You can test the ignition coil by looking for a spark in the engine or turning the key and seeing if the engine turns over.

You may have to replace the starter motor, too. If you hear a grinding noise when you turn the key in your ignition, it is a sign that the bearings inside the starter are starting to wear out. This can be a costly fix, 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 a relatively simple process that requires replacing some bolts and parts.

Alternator

The alternator is the one that charges your battery and also powers the electrical components of your car when the engine is running. Check the battery first if you suspect your alternator is failing. This will enable you to determine if your alternator draining the battery or if the battery is old and needs replacement.

When the vehicle is idle the alternator supplies power to the dash lights as well as the radio. It also powers the windshield wipers, the power windows, the electric steering, the heated seats and the power windows. You can use a voltmeter to examine your battery and alternator for the proper voltage levels. If your battery is below 6 volts, then it needs to be charged or replaced immediately. Batteries that are dead or not charged will also stop the starter from turning over the engine, and will require additional jumper cables to begin your car.

Before you begin removing the alternator, make sure the Ignition key won't come out is turned off and that all doors are locked. Remove the negative cable and store it safely. Wear safety gear. Refer to a vehicle specific repair manual for instructions on how to gain access to the alternator and any other components you require to remove.

If your vehicle has a warning light wire, you can disconnect it from the back of the generator after taking off the belt. It will typically connect directly to the alternator's terminal that's marked either WL or IND. Certain vehicles have a separate relay to perform this function. If the warning light doesn't come on, you should suspect a different problem.

You should check regularly your alternator for indications of malfunction. You can do certain of these tests by yourself, however it is best to bring your vehicle into Les Schwab so that they can examine it and give you expert advice. Our technicians will test for corrosion on your battery posts, battery (+ and +), fuses, relays and voltage output, cold starting amps, and much more.

Starter Motor

The starter motor is an essential component of the ignition system. It is responsible for turning the engine so that it can take in air, which is required to ignite the fuel. It is quite common for the starter motor to be the cause of your car doesn't turn. There are several ways to troubleshoot to help you determine the issue and resolve it.

When you turn on your car's ignition key, a switch in the starter activates a pinion gear that fits into grooves in the flywheel. The pinion gear is then turned the flywheel, which then begins the engine. When you release the key the pinion gear retracts and disengages from the flywheel to avoid damage.

The starter motor can be affected by a variety of things, such as mechanical issues (such as teeth not lining up on the flywheel) or a dead cell. Often, a faulty starter motor will sound like a dead battery. it will make a clicking sound as it tries to turn the engine, but it won't.

If the starter motor doesn't work, one of the first things a mechanic should examine is the condition of charge on the battery and its terminals. If the battery is not fully charged or has rust on its terminals, it will need to be charged or replaced.

Depending on the extent of the problem, the mechanic could examine the solenoid of the starter with a multimeter. The solenoid is a huge magnet switch, delivers a surge of power from the battery cables to the starter. This switch essentially connects the battery cable to windings within the starter that actually turn the electric motor as well as it pulls an actuator rod that turns on an engaging fork which will then push the pinion gear to automatically engage with the flywheel.

Another option is to disable the ignition switch by using an extension wire. This is a temporary solution, and it isn't recommended unless you are able to do it right. You'll need to be careful about routing the jumper wire to the battery terminals, and ensure that the switch is in the "Start" position.

Ignition Switch

The ignition switch is the place where you insert your key into the car. The system uses this to start the engine and send an electrical current to the starter. However it isn't immune to wear and tear as other parts of the car. The switch may also get stuck inside its slot or get locked. It is important to check it regularly for problems so that you can act before the car stops working.

If your key seems to struggle to turn or becomes stuck in the ignition, it could have been locked. This problem is common in vehicles because of a lack grease. Using a graphite or silicone-based lubricant on the release pin can help. Spray a bit of it into the ignition and then try moving the key. If it's stuck you can try using a piler or hacksaw blade.

An ignition problem can cause a variety of other issues too. The anti-theft function may not work or the starter motor might not be able to turn on when you insert the key. It could also cause other functions to stop working or cease to function altogether.

A failing ignition switch can also leave you with lots of wear and tear on other parts. If you own a keychain with multiple items, or a bulky one, this can cause strain on the ignition switch and increase wear on the internal components. Extreme temperature fluctuations can affect the lubricants and materials in the ignition switch.

Once you have a replacement ignition switch, you need to test it prior reassembling the steering column and the other components. Make sure the replacement ignition switch functions and that your engine starts smoothly. You should also double-check that the new ignition switch is compatible with the vehicle's make and model. It could be worth it to get a dealership to install the ignition switch for you if you are not confident about your ability to install it. They can also test the replacement and install any other parts that require connecting or replaced.