I originally purchased these for the reverse and DRL http://www.superbrightleds.com/moreinfo/miniature-wedge-base/194-led-bulb-5-smd-led-wide-angle-wedge-base/206/ They work great in the front of the car but IMO are horrible as reverse lights. Someone behind you would def see them but they dont illuminate enough for me, even with the backup camera.
I ordered this set http://www.ebay.com/itm/2pcs-T15-T10-Wedge-CREE-Q5-Emitter-5W-Led-Reverse-Back-up-Lights-921-912-906-02-/360586355768?_trksid=p2047675.m1850&_trkparms=aid%3D222001%26algo%3DSIC.CURRENT%26ao%3D1%26asc%3D11%26meid%3D5413584350821277332%26pid%3D100011%26prg%3D1005%26rk%3D1%26sd%3D150984648883%26 based on others reviews, plus I have used Cree LEDs on some of my fish tank builds and they work great.
The harness from TRS was an extra $30. I honestly don’t even know what they added but when I called to order the guy on the phone told me I needed some special resistor added because or Fusions are picky about the current draw. I have read other peoples experiences where they ordered the TRS and then had to have them make a special harness for them so the lights would turn on properly. I just took the guys word and paid the extra cash. All I know is the lights cut on when they should whether the car is on or off and I haven’t gotten any error codes or flickering. And I didn’t get a canbus either. Total cost shipped was $185 with a FB code he gave me. I’m running the Three Fives in 35w and 5k. They come on quick and I didn’t get flashed driving in to work at 5 this morning or last night while on the road.