there are a few manufacturers that make plug and play units to convert from tail to Run/turn/brake. I had a Kury on my last bike. on my 2010 dresser, the light plug is a larger connector right about the middle under the seat. if your scoot has the L.E.D. fender lights....you need a converter to avoid issues with the LED's...dealt with that last year on a Roadglide custom.
find the Dennis Kirk or J&P cycles website...they should have a few options.