Not too sure, but speaking from personal experience, place a towel down on the bumper before doing anything. There is a metal clip on both sets of lights that can scratch your bumper if you aren't careful. The small red plug is +/- sensitive and if it doesn't work flip it around and try all combinations of both sides (If one side isn't plugged right neither work) And if that doesn't work you have to CAREFULLY flip the metal contacts from one side to the other.
If you have any questions about this let me know. Learn from my mistakes, I scratched my bumper AND broke one of the metal leads coming out of the red plug...
Get your trunk or hatch LED conversion kits here http://www.focusfanatics.com/forum/showthread.php?p=4542652#post4542652
"2nd Gen problems"
I've spent too long looking into the abyss. It's starting to look back.