Testing the ignition coil is one way of finding where the problem lies. The first one is to understand how the ignition coil works. A cheaper alternative is cleaning the tip of the spark plug (the metal side); however, this might just be a temporary fix and it is not recommended unless you have no other option. Reasons why the spark plus is not working, How an ignition coil of a leaf blower works, The process of testing the ignition coil of a leaf blower, ● Step three: disconnect the wire that runs to the spark plug, ● Step five: test with an ohmmeter or a multimeter, ● Step eight: Decide what the fix will be, ● Step nine: reconnecting the ignition coil. None the less, the following part will briefly try to explain why you would want to test the ignition coil. You can find new leaf blower ignition coils here. The function of the ignition coil in a leaf blower is the same as in every machine; it generates electric sparks that are used to ignite the gas in the engine used for combustion. It connects the spark plug with the flywheel that rotates when the leaf blower is turned on through a starter cord. The good news is that testing the coil follows the same procedure in all types of leaf blowers.eval(ez_write_tag([[300,250],'gardentoolexpert_com-box-4','ezslot_0',109,'0','0'])); There are many ways of testing the ignition coil of a leaf blower. INCLUDES: 1 x Ignition Coil. The result will be an engine that performs badly, if it starts at all. Given that you have followed all these steps diligently, your leaf blower should start and run smoothly.eval(ez_write_tag([[250,250],'gardentoolexpert_com-large-mobile-banner-1','ezslot_4',117,'0','0'])); At this point, you have learnt how to test the ignition coil of a leaf blower. If the ignition coil is faulty, this current will not be produced, and the engine will not start. Alternatively, you can find this end of the wire in a socket shape. Bench test leaf blower ignition module Reply to Thread. The ignition coil consists of a single wire wound hundreds of times around a core, and any break that occurs in the wire renders the coil inoperable. This rule applies to all forms of tools. This means getting the plug out of the engine delicately without cutting any wire. Gdrumm Thread Starter Distinguished Member. Once you have access to the coil, remove the small wire from the ignition coil. 6 causes for a smoking leaf blower, and how to fix it, Leaf blower buying guide: 14 things to look for (with checklist). The technique involves disconnecting the ignition module and using an ohmmeter to test the coil. Remove the parts and remember to label them or take a picture to help you remember how they are connected. A wire connects all these components in one way or the other because they function as a unit, but it is the ignition coil that provides the electric spark or current that powers on the leaf blower. Once there is any problem with this wire (or any other wire in the ignition module), there will be the premature grounding of the circuit. Ignition Coil Primary & Secondary Resistance Testing - YouTube Such an interpretation also shows that there was no connection. This is the wire that transmits the current from the ignition coil to the spark plug. Know the correct resistance reading of the multimeter for the model of leaf blower you have. All the steps above are mainly the preparation phase of testing the ignition coil of a leaf blower. There are many parts in the motor system of a leaf blower that can cause the ignition problem. Once you have opened it up, remove the cowling. A reading of "1" indicates complete resistance, or no connectivity. The magneto on your leaf blower delivers a pulse of low voltage electricity to the ignition coil. And since I am not a small engine repair guy and don't have some of the proper testing eqip & full knowledge/understanding of these small engines, I may just buy another new leaf blower. If the multimeter gives you a reading of “zero,” then it means that there was no resistance at all. If the engine is not producing spark, I recommend checking for spark with the kill wire disconnected. It connects the spark plug with the flywheel that rotates when the leaf blower is turned on through a starter cord. In case of faulty spark plugs, you need to replace the old ones with a new one and you will have your leaf blower blowing once again. Before buying a spare part of the leaf blower, ensure that it is compatible. In a previous question I asked about repairing a carb for my leaf blower and the repair didnt hold so I bought a new one. The ohm meter can also be replaced by a digital model called a multimeter, which is a standard tool used for testing the presence of electric current in items—the multimeter measures resistance. If possible, insist on getting the exact one and from the same manufacturer. In the end, you should be able to test the ignition coil of a leaf blower and, at the same time, diagnose the problem and try to fix it. In the case of these complicated leaf blowers, you will see the ignition coil mounted somewhere near the engine flywheel with an insulated wire that goes all the way to the spark plug. With all that done, you can now start your leaf blower and see if it is working. What is the essence of testing the ignition coil of a leaf blower? Now the next thing is to know what it means. The starter is located on the outside part of a leaf blower. In many instances, you may not see the sparks because they are small. Reset the leaf of the ohmmeter to read 20k ohms. Get outdoors for some landscaping or spruce up your garden! Step six is where you start the actual testing of the ignition coil. Shop great deals on Blower Ignition Coil In Leaf Blower & Vacuum Parts. Always take note of the resistance indicated and try not to exceed. You have taken the readings (that is if there were any) and noted them down. All three components (flywheel, spark plug, and ignition coil) are  found in the engine. If you see flashes of light when the cord meets the chassis, then the coil is working, and you need to find out the problem from other parts of the engine. Bench test leaf blower ignition module | All About Circuits. This article will give the step by step guide into doing just that. The wire connecting the parts of the motor system may be broken or connected in the wrong way causing a problem when starting the leaf blower. Ignition coils take energy from the battery (usually 12 volts) and convert it to a high enough voltage (50,000 volts or more) to create a spark. Regardless of the model you are using, the flywheel continues to turn once the leaf blower is powered on. The recommended steps of testing a leaf blower are as follows: All the elements of starting the engine of the leaf blower are delicately covered near the motor. © Copyright 2020 Hearst Communications, Inc. Checks before testing the ignition coil. Here’s what to do, Lawn Mower and Snow Blower Combo: These Are Your Options, 4 signs it’s time to replace chainsaw bar. How to Tell if Your Starter Coil Is Bad on the Mower? And if the test shows that the ignition coil is working correctly, but the leaf blower still does not start, then you should focus on other parts as well. All of them come with directions of use, so you won’t find it hard if you are using a different model. NOTE: Please check the compatible model carefully before buying. The best way of doing this is by contacting your retailer or searching about these specifications online. Kelly then established an organization specializing in home improvement, including repair and maintenance of household appliances, garden equipment and lawn mowers. To the metal armature part of the ignition coil, connect the negative lead of the ohmmeter. It's impractical to uncover the coil and examine the wire; fortunately, there's an easier way to find a break -- a continuity test. If the ohmmeter displayed a reading of “one,” that shows that there was complete resistance. Gently remove the cover and set it aside. Check the coil’s primary ignition circuit. However, the most common culprit is the ignition coil. Disconnect the cable on the spark plug. Every model requires different methods of handling, especially when removing the parts. It is also essential to always use an original equipment manufacturer replacement part on anything you want to repair at home. At this stage, you are required to remove the cable that runs to the spark plug from the plug. Also if you put the coil on upside down, it will not fire. combustion how to test the coil on a leaf blower if your leaf blower has fuel but fails to start either the ... homelite leaf blower ignition coil Golden Education World Book Document ID 534e45ec Golden Education World Book sure your grounding wire is disconnected and set your flywheel magnet to ignition module clearence Some older mechanics tend to use the method that involves disconnecting the spark plug wire and holding it against a metal chassis while cracking the engine. However, this should not be that hard for you, especially if you have removed the parts on your own and tested the ignition coil.eval(ez_write_tag([[300,250],'gardentoolexpert_com-leader-3','ezslot_14',116,'0','0'])); In the process of removing the parts, it is recommended that you label the elements and, if possible, take a picture. But again, the coil might produce the spark, but the connecting wire fails to transmit it to the spark plug. . As a quick reference, here are some step by step instructions to test the function of your ignition coil. Test with starting … Unless you have a very sharp memory or you are an expert, please do so. That’s also an indication that the ignition coil is okay.eval(ez_write_tag([[250,250],'gardentoolexpert_com-leader-2','ezslot_13',115,'0','0'])); The aim of this was to test if the ignition coil is working well or not. Replaced fuel filter and fuel lines, also replaced the carb gasket. Therefore, this article will show you how to test the ignition coil of a leaf blower through a step by step guide. This would help when reconnecting them back. Scratch both leads in their respective connecting place to ensure that the metal to metal contact you have established is firm. Not only does it gives you an easy time, but it also saves you the headache of returning pieces that do not match or fit well. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. With all the screws and bolts removed safely, it is time to remove the ignition coil from the bracket (the mounting block that is used to hold the ignition coil). If you do not see a spark jump the gap, the coil is defective and must be replaced. Mechanic's Assistant: Do you know the model of your Poulan leaf blower… A safer way is to use an ignition coil tester (you can find them here). The ignition coil in your vehicle sends electricity to the spark plugs, and you might need to test the coil if your vehicle isn’t starting or frequently stalls. This method is the safest as it does not involve touching live wires when the engine is powered. Attach the new ignition coil to the engine and screw it in just until tight. Other models always have some shield parts that must be moved altogether to reach the ignition coil. If you are not in a position to get these directives, then you can use a small piece of paper or cardboard to separate the two. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. Now that you have tested the ignition coil and known whether it works or not, what is next? There may be many causes of ignition failure, but the first step is always to test the coil. If the ignition coil turns out to be the problem, then you will need to get a new one and replace it. In that case, you will see something between 2.5k to 5k ohms. Replace the cables that are loose, corroded, or stripped. However, this method is not recommended to home users because of its complexity and the risk of an electric shock. 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