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Author Topic: can't get my Husqvarna 55 Rancher to spark  (Read 1800 times)

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Offline sawguy21

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Re: can't get my Husqvarna 55 Rancher to spark
« Reply #20 on: June 13, 2018, 09:50:43 PM »
It will be out of time but being solid state ignition, not the old points and condenser, it will still spark. I am thinking the module is not grounded or the kill wire is rubbing somewhere.
old age and treachery will always overcome youth and enthusiasm

Offline Skeans1

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Re: can't get my Husqvarna 55 Rancher to spark
« Reply #21 on: June 13, 2018, 09:54:42 PM »
When this happened on my 395 I lost spark as well.

Offline Megunticook

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Re: can't get my Husqvarna 55 Rancher to spark
« Reply #22 on: June 14, 2018, 08:03:44 PM »
Not the kill switch/wiring because it wouldn't spark even when I disconnected it from the coil.

Not a bad ground because I tested with multimeter.

Spark plug wire is brand new (factory installed to coil).

Compression? Maybe, but why would it suddenly lose compression? I'll see if I can get a gauge and test.

I'll pull off the flywheel and see if anything looks odd there.



Offline Ben Cut-wright

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Re: can't get my Husqvarna 55 Rancher to spark
« Reply #23 on: June 15, 2018, 02:10:45 AM »
Not the kill switch/wiring because it wouldn't spark even when I disconnected it from the coil.

Not a bad ground because I tested with multimeter.

Spark plug wire is brand new (factory installed to coil).

Compression? Maybe, but why would it suddenly lose compression? I'll see if I can get a gauge and test.

I'll pull off the flywheel and see if anything looks odd there.

Testing continuity with a multimeter only indicates circuit integrity, not the circuit's ability to conduct a load.  It is possible to obtain an OHM reading that is withing normal range with no load, but not sufficient to do work.

The picture of the coil mounting seems to show potential for a poor ground. A better method for load testing circuits is to load them with a test light bulb.  In the case of a unit with no battery this means hooking the test light lead to a positive battery terminal, provide a ground lead from the battery to a common metal ground on the saw, then touch the test light probe to the coil mounting.  The light should shine properly if the ground is good. 

Offline Skeans1

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Re: can't get my Husqvarna 55 Rancher to spark
« Reply #24 on: June 15, 2018, 11:37:50 PM »
Another quick way to check and see if there’s anything at all is lick your fingers grab the plug touch the cylinder and pull the rope, better yet call a buddy.


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