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Back to the JD LT145 wiring problems

O

old

Well-known Member
So I went back and looked it again today. I can make it run but not like it should be as for starting it. Once I have it running if I try to engage the PTO it kicks in but the engine dies. I have replaced all the safety switches and the what I think is the PTO relay. I am thinking it has a problem with the wiring due to mice. I have found fiber glass insulation in the cooling area of the engine so figure the mice have had some fun with things. So any body know where I might find a wiring diagram for this thing so maybe I can figure out where what wire is not any good any more.
Thanks
 
I think you're on the right track but you should have used the multimeter before you replaced the safety switches.
I gave up after looking into a bunch of paywall sites that offered wiring diagrams they didn't have.
Here are the basics: The tractor won't run with the PTO engaged unless you are seated on the tractor.
The tractor won't crank unless the transaxle and the PTO (both) are in neutral or disengaged.
All the wiring should be available under the hood. None of it except the seat safety switch runs under the fender deck.
 
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