How is nosewheel steerable through rudder pedals?

TGV

New member
The rudder pedals are meant to control the rudder.
How can they also control the noswheel?
But I thought using rudder would automtically change the direction of the aircraft without any linkage, why does it need to be connected?
Thanks for the response, but i still dont understand why it has to be connected to the rudder pedals by cable.
 
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