Maybe I am slow but, I have looked all over under my 03 Discovery for a trailer wire connection. Is it hidden somewhere? Do I have to get an aftermarket harness and wire it in myself?

 

They dont come with trailer wiring, www.atlanticbritish.com will take care of you.

 

AB has an adapter that you splice into the right rear tail light for about 100. The OEM trailer adapter costs about 220, and there is a connector behind the rear tail light (plug n play, so to speak). It comes with a 4 flat adapter. Just a forwarning though, there is no 5 flat adapter available for it (the euro 7 round does not have a reverse wire connection that would normally be found in a 5 flat).