Re: headlight harness
Take a look around the Interior/Exterior/Visual subforum, linked at the top of the main WK2 forum page. This has been discussed many times before.
You may also want to check out these headlights
. Not sure of their reliability, but seem to be far easier to do then a custom wiring harness, and cheaper too.
2014 Jeep Grand Cherokee Limited 4x4
5.7L Hemi V8, Luxury II Package, Navigation
Hemifever Tuned, Billet Catch Can, 265/60R18 Hankook Dynapro ATMs