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Carey (Turtle) Moore
Carey (Turtle) Moore, Small Engine Technician
Category: Small Engine
Satisfied Customers: 176
Experience:  Briggs & Stratton Master Tech, over 20 years exp all brands
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How to you test the coil and ignition module of a Husqvarna

Customer Question

How to you test the coil and ignition module of a Husqvarna Model 61 chain saw? No spark at plug or from coil wire.
Submitted: 8 years ago.
Category: Small Engine
Expert:  Carey (Turtle) Moore replied 8 years ago.
You must ground spark plug to cylinder head. You did this correct?
If so the boot has a clip that pierces the wire. Make sure this has not pulled loose. This is common when removing boot from spark plug. As far as tesing good plug, good ground and isolate kill switch. Remember dont overlook the obvious these coils rarely go bad.

Customer: replied 8 years ago.
I have checked all that if for a frayed wire, pinched wire and bad connections and still no fire.
Expert:  Carey (Turtle) Moore replied 8 years ago.
You already have the correct information and have diagnosed. There is nothing else to check. The coil testers made in the early 80's are out dated and not cost effecient for shops. The meter ohms test is not published either. The number one issue with coils it they expand with heat and break down and normally fire until they get hot. If yours just stopped firing thats not common. Again remember i am the type that will not purchase anything until I know for sure what is bad and why it failed. Im sure you are the same. These days no spark replace coil. Glad to help but you had you answer already so do not accept. We do thank you for using Just Answer.