Where does the vent selector's wire go in a car?

Bill

Member
2003 Hyundai Elantra GLS.

The HVAC head unit's vent selector does not work. So it is stuck in the face position. The unit works fine, tried a new one that works and same problem so its not the dial. Where does the electric wire that plugs into the dial lead to behind the dash?
What is the actuator called to look it up, so I can tell it is the right one vs. another actuator for something else?
I see on alldata, the I36 mode actuator. That must be it.
 
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