Finds (7)
'finds' is the definition.
(locating is a kind of finding)
This is the entire clue.
(Other definitions for locates that I've seen before include "spots" , "runs to earth" .)
(Other definitions for traces that I've seen before include "Slight indications on parts of the harness" , "Finds; signs" , "Follows or discovers by examining evidence" , "Signs in crates" , "Finds; hints" .)