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The Husqvarna YTH20K46 is a 24-horsepower lawn tractor or riding lawnmower with a cutting width of 46 inches.

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Mower won’t start, no click or spark. Maybe a safety/kill switch?

So, I started the mower up just fine and drove about 5 feet and it shutoff. I tried to start it again, and nothing. No noise or crank at all. So I bypassed the ignition with a flathead and it sounds good but just won’t get any spark. I took the fuel line off and fuel is coming out when attempting to start. However, the spark plugs have absolutely no spark at all. So I replaced them and nothing change.

To sum it up, turning the key does nothing. But I can bypass it with a flathead and it just cranks but gets no spark. Fuel system seems good, so I’m curious if there’s a safety/kill switch somewhere.

It has a new tank of gas, new spark plugs, fuel is spitting out, oil is new, filter isn’t clogged.

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1 Answer

@jaredjones1556 here is the schematic for the mower you listed

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First thing to check would be the seat kill switch and after that the wiring to the junction box and the ignition switch. To start, the ignition switch connects B + S + A1 so your clutch safety switch is right in the midst of it as well. Oh yes, check all of your fuses too.

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