Husqvarna string trimmer kill switch.

Dave BN · Oct 16, 2021

What does that kill switch do? It is a momentary switch, so why does it stop the engine?
Just curious.
Dave

Billy Shafer · Oct 16, 2021

It grounds out the ignition. Killing the spark.Then when you let off it clears the system to run.

Dave BN · Oct 16, 2021

Ok, but I only have to push the switch momentairly, that's what confuses me.
Dave

tractorguy2 · Oct 16, 2021

My STIHL trimmer is the same way. I don't have to push and hold the button. Only punch it quickly and it dies. I think it's the newer electronic coils. My old Echo weed trimmer I had to hold the button till the engine quit. If I let off the button before it quit. it would keep running.

T.R.K. · Oct 16, 2021

Don't you have to hold the switch until it comes to a stop? That is the way most are set up.

The contacts in the stop switch ground the ignition module so it doesn't continue making sparks at the spark plug.

tractorguy2 · Oct 16, 2021

I just have to tap the button on my Stihl and it stops.

Russ from MN · Oct 17, 2021

I'm not sure how those new switches work, but I love them! A lot of newer engines have them! You just push the kill button, engine stops, but you don't have to turn it on again. It's safe and idiot proof at the same time! There may be some electronics involved, My newest Jonsered is that way, and it's 12 years old.

Billy Shafer · Oct 17, 2021

I just bought a H122. I have just been holding the switch dowm. Maybe I don't need too. I will have to check it out

Husqvarna string trimmer kill switch.

Dave BN

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Billy Shafer

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Dave BN

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tractorguy2

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T.R.K.

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tractorguy2

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Russ from MN

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Billy Shafer

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