The effectors.ltx is the proper way. You may have not placed it in the right location, make sure you place it in CoC directory and not accidentally CoP.
Not sure where you got the effector.ltx, so I attached this one from my CoC :
Download the attachment and place into S.T.A.L.K.E.R.: Call of Chernobyl\gamedata\configs\misc\
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"I have a dream that one day this community will rise up and live out the true meaning of its creed: "We hold these truths to be self-evident; that all mods are created equal."