Clunk from under dash.

I had an annoying clunk develop when switching from fresh air to recirculating and vice-versa. I had installed a rear camera when I first got the car and the clunk just started happening recently. There is another flap above the recirculating flap, just a narrow one that sits on top of the box. Found out after much trial and error, that somehow the loom for the camera had moved and the big connector was catching that flap. It was holding the flap against the motor, and when it had wound it up sufficiently, the flap sprang open/shut and caused the noise. Thought I'd post this in case anyone else had the same thing. Not a lot of space for the camera loom to fit into.