Where does this plug run to

99 Tahoe auto case The unplugged one.

http://i1104.photobucket.com/albums/h326/bigmiker21/IMAG0110.jpg


Thanks. Asking for someone else.

I'm guessing it's there for some other option that wasn't installed. Looks like 3 wires. 2 Browns and a black??

Also, what is the panel that's pulled out? Is it the T-Case switch panel?