Thank you for your question.
I am sorry you are having a problem with the tractor. I will be able to assist you with replacing the cable. I have posted an image below that has the manufactures instructions for replacing the cable. Click on the image to enlarge it.
If you need further assistance, please feel free to reply below with more details.
If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website:
Sears Home Services
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