right if you are getting LED'S you will be best getting a nice tailtidy I had the hamicad
http://www.hamicad.co.uk/SV_Fender.html and it was excellent quality and came with good instructions.
I would also get some connections like these
http://cgi.ebay.co.uk/Indicator-Conn...d=p3286.c0.m14 so you do not have to cut any wires.
then you will need some load resistors to stop the indicator flashing fast these seem good and easy to fit
http://cgi.ebay.co.uk/10W-resistors-...d=p3286.c0.m14 I used different ones but required soldering, if I were fitting them now I would use some like the ones in the link.