I would look under the dash in the mess of wires to see if you can find the other end of it; also try looking on the side where the fuse box is. I sure that the wire would be under the dash some where. The CSS is used for your cruise control if it's not hooked in your just not goining to be able to engage your cruise control.
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Cold Air Intake
MIZU Aluminum Radiator
Ralco RZ Underdrive Pulley
NGK Wires and Plugs
Hi Flow CAT
MR Muffler
Super Coil
Techna Fit Brake lines
Clear Corner Turn Signal Lens
Projector Head Lights
Evo Fog Lights
Evo Body Kit
Soon ---> 3'' Exhaust 
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