not a clue, but it does not move. my mech did not know either. Because it doesn't move, I guess it's just a part designed for another model that they use in 190. What for I haven't a clue..

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1985 190D 2.2l Sold-to Brother-in-law
1996 Mustang 3.8l -"thinks it's a sports car"
1988 Grand Wagoneer - Sold (good home)
1995 Grand Cherokee Ltd -"What was I thinking??!!"