I have scag tiger cub with no crank condition. 48a20cv model87174. I replaced all safety switches , pto switch ignition switch, starter relay and interlock . I have nothing when turning key . Pto switch does not activate either . Can start engine with using remote starter switch at the starter any one have any ideas

https://www.partstree.com/models/stc48a-20cv-scag-tiger-cub-48-zero-turn-mower-20hp-kohler-sn-6020000-6029999
 
Seat switch bypassed /replaced?  
 
Did you check fuses, relays?
 
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Seat switch bypassed and checked fuses checked . As stated replaced starter relay and interlock module so ???