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How to Fix Car Ignition Switch Problems
If your car starts and runs, but the ignition switch doesn't switch over the spark plugs, there may be a number of causes. Some are simple and inexpensive to fix, others require specialized tools and help from a mechanic.
Lubricate the socket of the key first. You can use graphite powder or a silicon spray. Make sure that the ignition cylinder is free of no loose springs or obstructions.
Battery
If your car isn't starting it could be because your battery is dead. This is a common problem that can be fixed by an extra jump or charging the battery. If this does not solve the problem, it is possible that the ignition switch is not working properly. This component supplies battery power to other electrical components, like the starter motor and ignition coil. If the ignition switch is faulty it will not allow current to flow through it and the engine will not start.
The battery is the source of all the electrical energy in your vehicle. It's a dark box with positive (+) and negative (-) terminals on top. The terminals may become corrosion-prone, which can stop the battery from providing power to the rest of the vehicle. By disconnecting the battery you can use a wire bristle to remove any corrosion. You can also clean the terminals with baking soda as a solution.
It's also possible that your car battery has just reached the end of its lifespan and needs to be replaced. A new battery will supply the correct voltage to your vehicle's spark plugs. This is crucial for a properly functioning engine.
The ignition coil is responsible for turning low voltage from the battery to high voltage that will spark your car's spark plugs to start the engine. If your ignition coil is not working properly it won't be able spark the plugs. The engine will not start. You can test the ignition coil by checking for a spark in the engine or turning the key to see whether the engine is turning.
You may need to replace the starter motor as well. If you hear a grating sound when you turn your ignition key it is a sign that the starter bearings are worn out. This can be a costly repair so it's best to replace the starter motor as soon as possible if you notice any signs of wear and tear. The starter motor can be changed by replacing some bolts and other parts.
Alternator
The alternator is the one that charges your battery and also powers the electrical components of your vehicle while the engine is running. Check the battery first if you suspect your alternator is malfunctioning. This will help you determine if your alternator draining the battery or if the battery is old and requires replacement.
While the vehicle is in idle the alternator supplies power to the dash light and radio. It also powers the windshield wipers as well as the power windows, electric steering, heated seats, and the power windows. You can use a voltmeter check your battery and the alternator for proper voltage levels. If your battery's voltage is lower than 6 volts, it should be replaced or charged immediately. A dead or weak battery will also prevent the starter motor from turning the engine over and will require additional jumper cables to start your car.
Before you begin to dismantle the alternator, switch off the ignition and lock all doors. Disconnect the negative cable and store it safely. Wear safety gear. Refer to a vehicle specific repair manual to learn how to gain access to the alternator, as well as any other components you'll need to remove.
After you've removed the belt, if your car has one, disconnect the warning light wire from the side of the alternator. It will typically connect directly to a terminal on the alternator that's marked either WL or IND. Certain vehicles have an additional relay that performs this function. If your warning light does not appear, you must be able to identify a different issue.
The alternator is a vital component of your vehicle, and it is important to check it frequently to look for signs of problems. You can carry out some of these checks yourself, but it's best to bring your vehicle to Les Schwab so that they can inspect it and provide you with expert advice. Our technicians will test for corrosion on your battery, battery posts (+ and +) fuse, relays, and fuses and voltage output, cold starting amps, and much more.
Starter Motor
The starter motor is a crucial component of the ignition system. It rotates the engine so that air can be sucked in and ignite the fuel. It is quite common for the starter motor to be at fault when your car won't turn over. Fortunately, there are several methods of troubleshooting that can assist you in identifying and fixing the issue.
When you turn on your vehicle's ignition key, a switch inside the starter engages a pinion-gear that fits into grooves of the flywheel. The pinion gear then turns the flywheel, which then begins the engine. The pinion gear retracts when you release the key to prevent damage.
The starter motor could be affected by a variety of factors, including mechanical problems (such as teeth not meshing on the flywheel) or a dead cell. Often, a defective starter motor can sound like a dead battery; it'll make a click when it attempts to turn the engine, but won't.
The charge level and the battery's terminals will be checked by a technician 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 serious the issue is, a mechanic could also test the solenoid using a multimeter. The solenoid is a large magnetic switch that transmits the power of the battery cables that are thick to the starter. This switch basically connects the battery cable to the windings inside the starter that actually make the electric motor turn, plus it pushes a rod that actuates an engaging fork which in turn pushes the pinion gear to automatically engage with the flywheel.
Another option is to bypass the ignition switch using an extension wire. This is only a temporary solution but it shouldn't be recommended unless you're able to do it right. You'll need to be careful to connect your jumper wires to 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 car key. This allows the system to allow electrical flow to the starter and to start the engine, but it's not immune from wear and tear like other car components. The switch may also become stuck in its slot or even locked. g28carkeys.co.uk is essential to check it regularly for issues so you can take action before the car stops working.
It is possible that your key was locked if your key is difficult to turn or becomes stuck in the ignition. This is a typical issue for many vehicles and happens due to a lack lubrication. Using a graphite or silicone-based oil on the release pin could aid. Spray some lubricant on the ignition and then turn the key. If it's still stuck use a piler or hacksaw blade to help move it.
An ignition issue can lead to a number of other issues too. The anti-theft function may stop working or the starter motor may not be able to turn on when you insert the key. This can also cause the secondary functions to stop working or cease to function.
A malfunctioning ignition could cause extra wear and tear to other components. If you own keys that have multiple items, or a large one, this can cause strain on the ignition switch, which can cause wear on the internal components. Extreme temperature changes can also affect the lubricants and materials used in the ignition switch.
If you've got a new ignition switch, you need to test it prior reassembling the steering column and other components. Check that the replacement is working and that the engine is running without issue. Double-check the compatibility of the new ignition switch with the vehicle's model and model. If you're unsure 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 can also test the new switch and install any other parts that require to be connected or replaced.
