Question about John Deere 24HP VTwin Hydrostatic 48" Riding Mower

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We have an older model 116 and the blades turn freely but when you try to get the PTO to kick in it kills the motor. Any ideas? the kill switch has been gone around.wildblue.net

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  • chelari Sep 14, 2010

    Hi Mickey813. We went around that switch so don't think that the prob. ty tho for your help.

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Sounds like to me you have a bad seat swicth ive seen that befor

Posted on Sep 13, 2010

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2 Answers

My blades will not turn on motor dies when I engage it


could be a bad safety switch. take it off and test.

Apr 11, 2017 | Garden

1 Answer

John Deere x300 series 2009 model I unhooked the kill wire and it started. But now my mower/pto will not engage is there a way to bypass the sensor?


Based on the combination problems involving the coil kill wire and the PTO activation, I would suspect the PTO switch is bad.

I do not have a schematic for the 300x, however I most of the functions are comparable to the LA 145, 165, 175.

The PTO switch is a multifunction switch. It will have 3 to 4 different functions internally. On the LA 175 it serves 3 functions. These 3 internal functions are independent of one another. Electronically they are known as single pole/single throw switches. In other words even though they are all housed inside a single unit they act light 3 separate light switches in your house.

One function ("light switch") controls your cranking system. When the key is turned to Start, power flows from the Key switch (purple wire) to the PTO switch. With the PTO switch off it flow out (purple/white) and goes to the Brake switch. If the Brake is set the power flows through to the starter solenoid and your engine cranks.

Another "light switch" inside the PTO switch controls the Blade Clutch. Power flows from the Key switch, in run position, (yellow wire) to the PTO switch. With the PTO switch on it flows out another yellow wire to the Blade Clutch. A DC volt meter should show 12 volts switching on and off as the PTO is turned on and off.

The third "light switch" completes a Ground Path. This ground path is a totally separate pathway running through the PTO switch. The ground system is fairly complex because it operates differently under different scenarios.

To produce a spark, the key switch must be in the start or run position. While starting the PTO must be off and the brake set. The seat switch does not matter at this point.

Once the engine is running the seat switch plays a part if the PTO is activated or the Brake is released. Someone must be in the seat.
The Kill system is activated
  1. When the key switch is turned off.
  2. When the operator leaves the seat without setting the brake and turning off the PTO.
  3. When the machine is reversed while the PTO is engaged and the back up switch (RIS) is not pressed.

So there are three different paths to ground; any of which can kill the engine by grounding the coil. Except for turning off the key, all other grounding functions flow through the "grounding light switch" in the PTO.

Because you have a combination problem, the Coil kill wire is grounding the engine and the Blade Clutch won't activate the blades; both of which are affected by the PTO switch, odds are you have a bad PTO.

Obviously there are too many complex functions to just bypass the switch. You will have to replace it. The part number you need is AM135131. You can do a site search to locate and order this replacement switch for about $26.00 including shipping at this site: GreenPartStore Parts for John Deere Lawn Tractors John Deere Lawn Garden...

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1 Answer

Pto kills motor


safty switch bad on the blade engagement replace it

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2 Answers

Craftsman ZTS 7500 dies when engage blades or when engage transmission


check the "kill switch" they are usually located in the seating area. it senses for pressure or seat angle and will kill the mower if nobody is sitting on the mower. Good Luck

Apr 17, 2012 | Craftsman Garden

1 Answer

Dixon zeroturn DM 42 Pto will not engage.


did it burn out the clutch?or did you knock off the wires when removing the twine

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1 Answer

Riding mower stalls when PTO is engaged.


check the kill switch and the wire it could be that a small piece of the covering came off and is grounding to the deck or frame there by killing the engine the jerkink of the mower maybe whats causing the wire to come into contact with metal..good luck

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2 Answers

Husqvarna yth2448 pto switch kills motor/battery will not charge


you may hav a bad alt. problem with the mower dying when you engage the pto is most likley a bad sensor or wire unplugged on the seat sensor.the way it works is if the blades are turning and it dosent sense you being on the seat the mower shuts down.this has been standard on mowers for quite a few years now. it keeps the blades from cutting you up if you fall off the seat while mowing. as for charging i would try cleaning the battery connections and get the battery checked first.

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1 Answer

Husqvarna 2448 pto switch kills engine,bldes


try unplugging the pto, start the mower, then engage the pto switch. If the fuse still blows trouble is somewhere in the mowers wiring if not the ploblem lies in the pto. hope this helps

Jul 15, 2009 | Husqvarna Garden

2 Answers

PTO red light switch is on when PTO isn't, so engine won't start


Mitch...the reverse safety switch, I beieve, is designed to kill both the motor and the blades if you don't use the override button prior to trying to mow in reverse. Since I don't know the make or model of your tractor, your not wise to reverse mow unless the override switch is engaged....hope this helps..

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