Passenger Footwell CLICKING Noise

I just went & started the truck and this loud, horrible clicking sound immediately started coming from the passenger footwell area.
I narrowed it down & disconnected a plug to see if it was the culprit.
It was,
I shut the truck offf right away. I took some photos and circled the area that is causing the noise. Anyone know what this is?

 

Lookin in the parts catalog for ya. hold.

Best thing I can give ya from the parts catalog, it all shows it as part of the A/C and heater assembly. One big part. Probably a fan, not exactly sure the breakdown of the system. Someone else might be able to chime in. Check and see if maybe a leaf got stuck in there.