This is the link to the instructions I mentioned in the above post last year. The kit is specific to the 2011/12/13 models, which explicitly did NOT come with the wiring, making it ideal for those newer units that supposedly DO come with wiring that no one seems to be able to find. and noting that the kits for the later models do not come with the cabling. It should provide all the information you will ever need, with the exception of the fact that to get the old rear handle assembly and bezel off the hatch you need to undo a nut from the inside first: