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How to Fix Car Ignition Switch Problems
If your vehicle starts and runs but the ignition switch doesn't turn over the spark plugs, there may be a number of reasons for this. Some are simple and inexpensive to fix, others require specialized tools and help from a mechanic.
First, lubricate the key socket. You can use either graphite powder or a silicon aerosol spray. Also, make sure the ignition cylinder is free of obstructions and loose springs.
Battery
It could be that your battery is dying if your vehicle won't start. This is a frequent issue which can be fixed with charging the battery or making the jump. If this doesn't fix the issue, your ignition switch may be defective. This component supplies battery power to the other electrical components, such as the starter motor and the ignition coil. If the ignition switch is defective it won't permit current to flow through it and the engine won't start.
The battery is the main source of electrical energy in your vehicle. The battery is a black box that has positive (+) and negative (-) terminals at the top. The terminals may be corroded and stop the battery from providing power to the rest the vehicle. You can 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 to clean the terminals.
It is possible that your vehicle's battery is nearing the end of its life and needs to be replaced. A new battery will provide the right voltage to your vehicle’s spark plugs. This is necessary for a functioning engine.
The ignition coil converts low voltage from your battery into high voltage to spark the spark plugs inside your car and start the engine. If your ignition coil is not working properly it won't be able to spark the plugs. Your engine won't start. The ignition coil can be checked by checking the engine for a spark or turning the key to determine if it turns over.
You may have to replace the starter motor as well. If you hear a grinding noise when you turn on your ignition, it's a sign that the bearings in the starter are beginning to wear out. It is a costly repair, so it's best to replace your starter motor as soon as you detect signs of wear. The starter motor can be changed by replacing the bolts and parts.
Alternator
The alternator is a device that charges 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 test the battery first. This will enable you to determine if your alternator draining the battery or if the battery is old and needs replacement.
Your car's alternator also supplies the power to the windshield wipers, dash lights, power windows, electric steering heated seats, and your radio even when the vehicle is idling. You can use a voltmeter to test your battery and alternator to determine the proper voltage levels. If your battery is below 6 volts, then it needs to be replaced or charged as soon as possible. A dead or weak battery can also stop the starter motor from turning the engine over and will require more jumper cables to start your car.
Before you begin dismantling the Alternator, turn off the ignition and lock all doors. You should also disconnect the negative cable from the battery, tuck it away in a safe place and put on the safety gear. Consult a repair manual specific to your vehicle to get instructions on how to remove the alternator or any other component.
If your vehicle is equipped with a warning light wire, you can remove it from the back of the generator after removing the belt. The wire will connect directly to an alternator connector marked WL or IN. Some vehicles, however, have an additional relay for this function. If your warning light does not come on, you should suspect a different problem.
The alternator is an essential component in your vehicle, and you must check it frequently to look for signs of problems. While you could perform some of the tests yourself, it's best to bring your vehicle into Les Schwab for a complimentary inspection and expert advice. Our technicians can check for corrosion on your battery, battery posts (+ and -) fuse, relays, and fuses as well as voltage output and cold starting amps and more.
Starter Motor
The starter motor is an important element of the ignition system. It is responsible for turning the engine to take into air, which is necessary to ignite the fuel. If your car won't start, it's typically caused by a problem with the starter motor. Fortunately, there are several troubleshooting techniques that can help you diagnose and fix the issue.
When you turn on your car's ignition key, a switch in the starter turns on a pinion-gear that is fitted into grooves on the flywheel. The pinion gear turns the flywheel that initiates the engine. When you release the key the pinion gear retracts and disengages from the flywheel, thereby preventing damage.
There are a myriad of things that can be wrong with the starter motor, for example, an electrical issue in the internal windings, a mechanical issue (such as teeth no longer connecting to the pinion gear or flywheel) or a dead battery. A malfunctioning starter motor may sound like a dead phone battery. It will make a clicking sound as it tries but cannot turn the engine.
The state of charge and the battery's terminals will be checked by a mechanic when the starter motor fails to work. If the battery is depleted or has rust on its terminals it will require charging or replaced.
Depending on how severe the problem is, the mechanic can also test the solenoid using a multimeter. The solenoid is a massive magnetic switch that transmits a rush of power from the battery cables that are long and thick to the starter. The switch connects the thick battery cable to the wires inside the starter that actually make the electric motor turn as well as it pulls an actuator rod that turns on an engaging fork, which in turn pushes the gear that pinions to automatically engage with the flywheel.
Another option is to bypass the ignition switch with a jumper wire. This is a temporary option, and it isn't recommended unless you are able to do it correctly. You'll need to route the jumper wire through the battery terminals and make sure the switch is set to the "Start" position.
Ignition Switch
The ignition switch is where you insert your key into the car. The system uses this to start the engine and to send electrical current to the starter. However, it is not immune to wear and tear as other components of the car. The switch could also become stuck in its slot or be locked. It is important to check it frequently for issues so you can take action 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 issue is common in vehicles due to a lack of oil lubrication. You can make use of a graphite or silicone-based grease to lubricate the release pin. Spray a little into the ignition and then try moving the key. If it's stuck then try using a hacksaw or piler blade.
A problem with the ignition can also lead to other problems. The anti-theft feature could not function or the starter motor may not turn on when you insert the key. This can cause auxiliary functions to stop working or cease to function.
A damaged ignition may cause additional wear and tear to other parts. If you own keys with many items or a heavy one, it can stress the ignition switch and accelerate wear on the internal components. car ignition key replacement can also affect the materials and lubricants in the ignition switch.
It is crucial to test the replacement ignition switch prior to reassembling other parts and the steering column. Make sure that the switch works and that your engine is running without issue. Also, make sure the new ignition switch is compatible with your vehicle's model and model. If you're not sure of your ability to install a new ignition switch it could be worth hiring a service shop at a dealership to complete the task for you. They will also test the replacement and install any other parts that require to be connected or replaced.
