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JON
JON, Small Engine Technician
Category: Small Engine
Satisfied Customers: 937
Experience:  Certified Small Engine Technician
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My Deere Stx 38 with black deck will start and run at

Customer Question

My John Deere Stx 38 with black deck will start and run at different speeds but when the clutch is released the engine dies pushing clutch back in quickly and engine continues to run I replaced the clutch safety switch no change
Submitted: 9 months ago.
Category: Small Engine
Expert:  JON replied 9 months ago.

Hi, my name is ***** ***** me review the issue, and I will be more than happy to help resolve it as quickly as possible.

Expert:  JON replied 9 months ago.

Sounds like you have a bad seat safety switch as when you release the clutch to drive, it thinks no one is in the seat so it kills the engine

Customer: replied 9 months ago.
I have replaced the seat safety switch as well as the clutch safety switch I have tried a jumper on the seat switch also no change with either new switch
Customer: replied 9 months ago.
I have a new seat safety and clutch safety no change I even tried a jumper across seat safety and also ohmed seat switch it is opening and closing as it should
Expert:  JON replied 9 months ago.

I am not sure then as those are the 2 switches that would cause the issue. Have you checked all the wires to make sure the wires are not bare anywheres

Customer: replied 9 months ago.
Will check the wiring not easy to see as you know could the ignition switch cause this problem it does seem to work ok
Expert:  JON replied 9 months ago.

if it is starting and stopping engine, it shouldn't be the issue

Customer: replied 9 months ago.
I will trace the wiring thank you for your help I did not know if there could have been another safety or not
Expert:  JON replied 9 months ago.

can you engage the blades while clutch is pushed in

Customer: replied 9 months ago.
I have not tried that but I can here the pro solenoid click in and out
Expert:  JON replied 9 months ago.

no blades turning?

Customer: replied 9 months ago.
If I pull pto out the blades will turn but engine will die pushing pto off and engine will regain power this will happen each time the pto is engaged and disengaged
Expert:  JON replied 9 months ago.

Sounds like the short will be in the Seat wires then

Customer: replied 9 months ago.
Thanks will check them
Expert:  JON replied 9 months ago.

Okay, just keep me posted. I will be on tomorrow also