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Wayne, Journeyman
Category: Agriculture and Farm Equipment
Satisfied Customers: 9045
Experience:  34 + years as a mechanic
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I just put new blades on my Deere LT160, I removed the deck

Customer Question

I just put new blades on my John Deere LT160, I removed the deck when doing so. I got it all put back together and now when I engage the mower blades it shuts down the tractor!!! I don't see anything different that I did that would cause this...HELP please.
Submitted: 7 months ago.
Category: Agriculture and Farm Equipment
Expert:  Wayne replied 7 months ago.

Hi I'm Wayne

I will help you with this

sounds to me that you knocked a wire off the PTO switch, or the neutral safety switch, check them, a wire is loose from some where

I hope this helped you

Hi. If this helped you,

please remember to rate my answer 3 or more stars.

If more info is needed, use the reply button -


Customer: replied 7 months ago.
I check all my wires and nothing is wrong. It's a physical issue, when I throw the arm/engage the blades it shuts down the tractor. Is there something physically that I could have done wrong? Some sort of safety that is preventing the tractor blades from engaging? They spin for a few seconds then the tractor dies.
Customer: replied 7 months ago.
The belts are on all of the pulleys and nothing is wrong that I see.
Expert:  Wayne replied 7 months ago.

Hi Sorry for the delay

our computer was out for almost 2 hours

the only thing I can think of is the safety switch

did you check all fuses ,

also unplug the PTO clutch , see if it still does that

Customer: replied 7 months ago.
No problem. When I push in the clutch on the left hand side of the tractor to move the deck up and down it doesn't feel right. Also, the dial that sets the depth of the deck won't continuously spin clockwise. It gets hung up on 4" whereas it use to go past 4" and back to 1"
Customer: replied 7 months ago.
I will check the fuses and clutch after dinner. But this feels like a mechanical issue when I push the clutch in and try and raise and lower the deck..ugghhh!
Expert:  Wayne replied 7 months ago.

Thank you for that

Yes that is unusual all worked fine before blade change ??

yes try that unplug the PTO clutch

Customer: replied 7 months ago.
When I activate the blades with the "engage handle" it 'opens' a switch under the hood, however for some reason it kills the engine. So, I bypassed that safety switch by keeping it in the 'closed' position under the hood to temporarily make it work. So, I'm thinking there could be a bad relay or there is another switch that is bad under the tractor. I have not unplugged the PTO clutch yet.
Customer: replied 7 months ago.
We are getting closer;)
Expert:  Wayne replied 7 months ago.


yes unplug that switch, see what it does

yes getting closer

Expert:  Wayne replied 7 months ago.


Just a follow up with you

did my answer help you

let me know, Please