I saw this 2 years ago and did it to both my previous 2011 RK and my new 2014 SGS. It's simple, cheap and works!
http://www.hdforums.com/forum/touring-models/622165-radio-shack-alarm-siren-install-2011-rgc.html
p.s. On the 2014 models the connector inside the side cover is in the top right area.
http://www.hdforums.com/forum/touring-models/622165-radio-shack-alarm-siren-install-2011-rgc.html
p.s. On the 2014 models the connector inside the side cover is in the top right area.