I had the Recon's on my 13 1500 and they worked well. They did cover a portion of the hole that you use to lower the spare. You can mount the lights a little higher but you still have to keep in mind if you mount them to high you will break them all when you lower the tailgate. If you mount them to low they will be blocked by the bumper----so it's kind of a crap shoot. The 3M two sided tape does a good job, just clean the surface really good before you mount the lights. I taped into the existing wiring for the strip cause I had to tap into the reverse light anyway. If you plug into your 4 flat I don't think the reverse light will work. I think that they even make one that the turn signals are sequential however they ain't cheap.
Jay