The setup in that switch deck is such that I doubt anyone altered it. The paths are not wires but circuit board paths.

Also, if you want help with the spoiler operation, you must tell us more that "nothing". Is it up or down? Do you get any beeping from the dash at any speed?
Is the BAS or other light on?



Moved to appropriate forum and changed title as well. Titles are used in searches and meaningless titles don't help.