Is the clicker thing a key fob with the lock and unlock buttons?
Only factory anti-theft options I know of are Passive anti-theft (chip in the key) and a panic alarm that's integrated into the key fob (clicker thingy.)
If it's separate it's not factory and you'll need to do some research and find out where the module that this clicker thingy communicates with is located, what circuit it controls and what the normal factory circuit layout is without this clicker thingy module.

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08 4.0 Sport 4x4
Stock