This is how Futaba sells theirs.
http://www2.towerhobbies.com/cgi-bin...&I=LXH355&P=ML
I realize you probably have JR but they probably have a similar pkg available. If you are not a GOOD solderer then get someone who is and has a small iron to do the work for you. Inside the RX is NOT the place to be practicing.

Found the JR wire for you
http://www.horizonhobby.com/Products...ProdID=JRPA170