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You apply 12 volts to the coil primary and then release it . The electricity will go through the secondary coil and spark the spark pug.

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โˆ™ 2010-08-29 13:33:40
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Q: How can you make a spark plug spark with a battery and ignition coil?
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Why would car need ignition coils?

The ignition coil is the transformer that puts out the voltage required to make a spark jump the points of a spark plug. this in turn lights the petrol which pushed down the piston.


Why when your car warms up you loose spark?

Without year make model & engine size you get a guess. Ignition module, coil, distributor


What does CDI in Honda tmx means?

It stands for Capacitive Discharged Ignition. It is Part of the ignition system obviously and stores electricity to make a larger stronger spark in the spark plug.


Ford Ranger 2001 4-cylinder sometimes won't start battery alternator wires wires to battery and starter are good?

Will it even crank? If it won't, you have an ignition switch or lock cylinder going bad. If it does crank, just not running, then check to make sure fuel pressure is good and that the ignition coil is good. When exactly will it not start?


How do you replace the ignition coil on a Ford F-150?

first find out which one is misfiring. then use a 1/4 inch drive ratchet w/ 2 inch extension w/ a 7mm socket to take the bolt off coil. pull coil up and you r done. i always replace the spark plug on the same cylinder because its fuel fowled do to fuel but no spark. * If your F-150 is a older model (no fuel injection),then first disconnect the battery then gently grasp the rubber boot and disconnect the coil wire from the distributer cap (pushing down and turning slightly then pulling upward),then gently grasp the other rubber boot and turn slightly pulling outward and remove the wire from the coil... Now use an open end wrench and remove the nuts securing the ignition wires on both sides of the coil.. ((note which side of coil these wires where removed from +\- and keep them all separate also note the +\- markings on the new coil to make sure you install it in the correct position)) Then Use a wrench or socket to lossen the metal bracket that is securing the coil....slip the old coil out and slip the new coil in and tighten the bracket.. Then reconnect the wires on both sides of the coil making sure the wire leads are cleaned and are in the right positions... Then reconnect the Coil wire into the coil using a very small amount of lubricant on the outside area where the rubber boot slips over the coil connection,Then reconnect the coil wire to the distributer cap and firmly press down to ensure that it snaps in to place...Then reconnect battery terminals.... ((it is best when replacing the ignition coil to replace the coil wire with a new one))

Related questions

Can you make a spark plug spark with a battery and ignition coil?

Yes


How do you know if you need to replace the coil on 95 ford escort?

First thing is to make sure you have fire (spark) at the spark plugs. If not change the ignition coil.


How to make a homemade exhaust flame shooter?

a ignition coil and a spark plug u need make a switch so the coil can turn on and off


Why would car need ignition coils?

The ignition coil is the transformer that puts out the voltage required to make a spark jump the points of a spark plug. this in turn lights the petrol which pushed down the piston.


How do you install an ignition coil on a 2005 VW Passat?

is very simple, just remove the plastic cover from the engine, locate the ignition coil that you want to replace, but before you disconnect the ignition coil disconnect one terminal from the battery and make sure that doesn't touch the chassis from the car and then disconnect the wires connector from the ignition coil and remove the two scrawls from the ignition coil and install the new one and make sure you replaced the washer that goes at the baton of the coil and reconnect the wires connector back and reconnect back the terminal from the battery on some times went you disconnect the battery your radio may go into safe code make sure you have the code to reprogram you radio again before you do this procedure


What causes fire not to get to the coil or distributor?

The year, make, model and engine info would be helpful but a bad ignition module or crank sensor could do that.FYI, spark originates in the coil then is sent to the distributor then to the spark plugs.


What might be the problem with your 1988 gmc jimmy it turns over and has fuel flow but no spark to plugs put on new coil distributer and cap but still no spark?

ignition control module, the electronic coil. check to make sure that the coil wire is not dead.


Why are you not getting spark in your 1981 Chevy 350?

Many possiblities. It depends on if you have a coil or an HEI ignition. If you have a coil, check your distributor to make sure your coil wire is attached properly. If your coil is attached, unplug it from your distributor and hold it close to the connection while someone cranks your engine. If you do not see a spark, your coil is bad. If you do see a spark, your rotor might be bad, or your points.


After changing the ignition module on your probe gt still have no spark?

Why start with the module? The coil is is a good place to start. Make sure of course you have voltage at the coil, if not trace it back.


Why when your car warms up you loose spark?

Without year make model & engine size you get a guess. Ignition module, coil, distributor


What could be causing your 1996 Nissan PU to flood out and not spin over Spark plugs are soaked Truck was running great and stopped in middle of road?

bad coil? check for spark. make sure your getting power to your coil from ignition.


How do you test a lawn mower ignition coil?

Remove the kill wire from the ignition coil. It's the only wire that doesn't go to a plug. Remove one of the spark plugs. Reconnect the plug wire to the plug that has been removed. Make sure the threads of the plug are touching metal on the engine somewhere. Crank the engine. Should see spark. If not, bad coil.

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