Chainsaw ignition coils must be tested to ensure they are providing sufficient spark to the engine. To test the coil, first disconnect the kill switch wire from the terminal on the coil. Next, use an ohmmeter to check for continuity between the primary and secondary terminals on the coil.
The resistance should be within specifications for your particular model of chainsaw. If it is not, then the coil will need to be replaced. Finally, connect a spark tester to the end of the spark plug boot and ground it against the engine block.
Crank the engine and observe for a strong spark at the tester. If there is no spark or if it is weak, then the ignition coil needs to be replaced.
- Check for any visible damage to the ignition coil
- If there is any physical damage, replace the coil
- Verify that there is spark at the spark plug by removing it and attaching it to a grounded metal object
- If there is no spark, check the wire from the ignition switch to the coil for continuity
- If there is still no spark, check the flywheel key for damage
- The flywheel key fits between the crankshaft and flywheel and if it’s damaged, it can prevent proper contact between them which will cause ignition problems

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How Do You Check an Ignition Coil With a Multimeter?
An ignition coil is a type of transformer that steps up the voltage of the low-voltage electricity from the battery to the high-voltage needed to create an electric spark in the spark plugs. This transformation occurs because the ignition coil has more than one hundred times as many turns of wire on its secondary winding as it does on its primary winding. You can check an ignition coil with a multimeter by checking for resistance between its primary and secondary windings.
To check for resistance, first set your multimeter to the ohms setting. Then, touch one lead of the multimeter to each end of the coil’s primary winding. If there is no continuity (the meter reads “OL” or infinity), this indicates that there is an open circuit and the coil is defective.
If there is continuity (the meter reading will be a low number in ohms), this indicates that there is resistance and that the coil may be functioning properly.
Next, touch one lead of the multimeter to each end of the coil’s secondary winding. Again, if there is no continuity (the meter reads “OL” or infinity), this indicates that there is an open circuit and the coil is defective.
If there is continuity (the meter reading will be a very high number in ohms), this indicates that there are many turns of wire on the secondary winding and that the coil may be functioning properly.
Keep in mind that even if an ignition coil passes these tests, it may still be faulty. The only way to know for sure if an ignition coil is working properly is to install it in a vehicle and test it under real-world conditions.
Can You Test a Chainsaw Coil?
Yes, you can test a chainsaw coil with a multimeter. First, disconnect the spark plug wire from the spark plug. Then, set your multimeter to the ohms setting and touch the probes to the two terminals on the coil.
If the reading is infinite, then the coil is good. If you get a reading of zero or close to zero, then the coil is bad and needs to be replaced.
How Do You Test a 2 Stroke Ignition Coil?
Assuming you have a basic understanding of electricity, we can start with the basics of an ignition coil. An ignition coil is basically a transformer that steps up the voltage from the battery to provide enough spark to ignite the air/fuel mixture in the cylinders. It does this by taking low voltage current from the battery and turning it into high voltage current.
To test if your 2 stroke ignition coil is working properly, you’ll need a few tools. First, you’ll need a digital multimeter (DMM). Second, you’ll need either a spark plug or an old incandescent light bulb (for testing purposes only).
Finally, you’ll need a helper to crank the engine while you test.
With everything set up, begin by disconnecting the negative terminal of your battery. This will prevent accidental shocks while testing electrical components.
Once disconnected, locate your ignition coils (there should be one for each cylinder). There are usually two wires coming out of each coil – one is typically labeled “+” (positive) and the other “-” (negative).
Using your DMM, set it to measure resistance (ohms) and touch one lead to the positive terminal of each coil in turn and touch the other lead to ground.
You should get a reading somewhere between 0.5 and 2 ohms – if not, then your ignition coil may be defective and will need to be replaced.
Once you’ve confirmed that each individual ignition coil is functioning properly, it’s time to test them as a whole system. To do this, reconnect the negative terminal of your battery and have your helper crank over the engine while you hold either the spark plug or light bulb close to one of the exposed wire terminals on any of the coils.
If everything is working correctly, you should see sparks (or flashes from the light bulb) as long as there’s good contact between whichever testing device you’re using and any part of an exposed wire on any ofthe coils – indicating that current is flowing through all parts ofthe system correctly and providing spark at each cylinder when needed.
How Do You Manually Test an Ignition Coil?
An ignition coil is a type of transformer that increases the low voltage of your car’s battery to the high voltage needed to create an electric spark in the spark plugs. This spark ignites the fuel in the engine, which powers your car.
You may need to test your ignition coil if your car is having trouble starting, or if it is running rough.
Testing an ignition coil is relatively simple and can be done with a few tools that you likely already have in your garage.
To test an ignition coil, you will need:
-A digital multimeter
-A 12-volt test light
-A wire piercing probe
First, disconnect the negative battery cable from the terminal.
This will prevent any electrical shorts while you are testing the ignition coil. Next, locate the positive and negative terminals on the ignition coil. The positive terminal will usually have a red or blue wire connected to it, while the negative terminal will have a black or green wire connected to it.
Using your digital multimeter set to ohms (Ω), touch one lead of the meter to the positive terminal on the ignition coil and touch the other lead of meter to ground. The meter should read between 0.6 and 1.2 Ω for a primary winding resistance reading; this indicates that there is continuity between these points and that no breaks exist in this circuit path within your ignite ion coils . If you get a reading outside this range, then there may be damage inside of one or more of your coils—and they should be replaced as soon as possible as they could cause further engine damage if used for too long in this damaged state.
. If everything looks good so far,.
Next, use either your 12-volt test light or digital multimeter set to volts DC (Vdc) mode and connect one lead to ground while touchingthe other endto eachofthe secondary winding terminals(one ata time).
You should see approximately 11 VDC when checkingbetween any two secondary winding terminals—if not, then this could indicatethat thereis anopeninthiscircuitor some other typeofdamage has occurred withinyourignitioncoil..
Chainsaw Ignition Coil Test Step by Step Easy Test Covers All Chainsaws
Husqvarna Ignition Coil Resistance Specs
If your Husqvarna chain saw won’t start, the ignition coil may be defective. You can test the coil for resistance with a digital multimeter. The reading should be between 0.4 and 2 ohms.
How to Check Ignition Coil With Multimeter
An ignition coil is a type of transformer that amplifies the low voltage of your car’s battery to the thousands of volts needed to create a spark at the spark plugs. This high voltage spark is what ignites the fuel-air mixture in the cylinders, providing power to move the pistons and turn your car’s engine.
A bad ignition coil can cause all sorts of problems with your car, from decreased performance and fuel economy to misfires and stalling.
So it’s important to keep an eye on them and replace them when necessary. Here’s how you can check your ignition coils with a multimeter:
First, disconnect the negative terminal of your battery to prevent any accidental shocks.
Then locate the ignition coils on your engine—they will be next to each cylinder (usually two per cylinder). Once you have found them, remove one of the spark plug wires from its corresponding coil so you can access the terminals.
Next, set your multimeter to measure resistance in ohms (Ω) and touch each lead to one of the terminals on the coil—you should see a reading somewhere between 0.4 Ω and 2 Ω.
If not, then that particular coil is faulty and needs to be replaced. You can then repeat this process for each remaining coil until you have checked them all.
Chainsaw Ignition Coil Resistance
When it comes to troubleshooting a chainsaw ignition coil, one of the first things you’ll need to check is the resistance. Ignition coils have a very high resistance, which is why they’re used in spark plug circuits. If the ignition coil isn’t working properly, it could be because the resistance is too low or too high.
If your chainsaw’s ignition coil has too much resistance, it will prevent the spark plug from firing. This can be caused by a number of things, including a loose connection, bad wiring, or a faulty igniter. If you suspect that the problem is with the ignition coil, you can use an ohmmeter to test it.
Simply disconnect the spark plug wire from the coil and attach the leads of the ohmmeter to the terminals on the coil. The reading should be between 5 and 20 ohms if everything is working properly.
If your ohmmeter shows that there is no continuity between the terminals (or if there is infinite resistance), then this indicates that there is an open circuit somewhere in the system.
This could be caused by a break in one of the wires or by a faulty component such as an igniter or switch. Once you’ve determined that there is an open circuit, you’ll need to trace back through the system to find where it’s located so that you can repair or replace it.
On the other hand, if your ohmmeter shows that there is very low resistance (less than 5 ohms), this indicates that there is a short circuit somewhere in system.
This could be caused by defective wiring or by water getting into some of components. As with an open circuit, you’ll need to trace back through until you find wherethe short occurs so that repairs can be made.
How Does a Chainsaw Ignition Coil Work
Chainsaws are a vital tool for anyone who needs to cut down trees or clear large areas of brush. But how do they work? Let’s take a look at the chainsaw ignition coil and see how it helps to power this versatile tool.
The chainsaw ignition coil is responsible for providing the spark that ignites the fuel in the engine. It consists of two coils of wire that are wrapped around an iron core. When electricity flows through these coils, it creates a magnetic field.
This magnetic field then induces a current in the secondary coil, which produces the spark at the spark plug.
Without a properly functioning ignition coil, the chainsaw will not run. If your chainsaw is having trouble starting, it may be due to a problem with the ignition coil.
You can test the coil by removing it from the saw and connecting it to an ohmmeter. The reading should be between 0.5 and 1 ohms for a healthy coil. If it is outside of this range, you will need to replace the ignition coil.
Conclusion
If your chainsaw isn’t starting, one possible reason is a faulty ignition coil. You can test the ignition coil to see if it’s working properly. To do this, you’ll need a digital multimeter and an assistant.
First, disconnect the spark plug wire from the spark plug. Then have your assistant hold down the trigger while you touch the red probe of the multimeter to the metal part of the spark plug boot (not the rubber). Touch the black probe of the multimeter to bare metal on the engine.
If you don’t get a reading on your multimeter, that means there’s no current flowing through and your ignition coil is likely defective.