YTH2448 interlock

Don'tPanik

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Hello,

I have a YTH2448 that starts fine if I jump from the battery to the starter but will not start from the key. I have verified the seat interlock, I've replaced the brake interlock and the ignition switch. The PTO works fine and has been replaced a couple of seasons ago. What else can be keeping it from starting with the key?
TIA
 

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We need the numbers off of the product label to reference diagrams.
 
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