if the harness is coming apart where you can see it, imagine what you can't see. the more you move it, the worse the damage will be. go here and look at the pictures-

http://www.mercedesdefects.com/2008/04/wire-harness-defect.html

i'm not involved in this site and don't have any agenda regarding the damage. just trying to point out the damage is worse than what you see. good luck, chuck.