climate control unit

I was wondering if I could remove my old climate control unit from a base model 01 impala and replace it with unit out of a LS model? Everything is identical in looks, except the LS has dual climate control options.
http://i4.ebayimg.com/03/i/03/50/71/80_1_b.JPG copy and paste this and it will show what I am talking about.

I was wondering if I could remove my old climate control unit from a base model 01 impala and replace it with unit out of a LS model? Everything is identical in looks, except the LS has dual climate control options.
http://i4.ebayimg.com/03/i/03/50/71/80_1_b.JPG copy and paste this and it will show what I am talking about.

Im assuming you can since i havw a base model 02' and it has the dual controls.