I am changing out the incandescent turn signals to LED turn signals. I currently have the in-line resistors to assist in the flashing. I have heard of a module that you put in the turn signal modulator thing that negates the necessity for the resistors. Does anyone know where this modulator can be found? I really don't want to put resistors under the rear fender. Thanks...

Try this

http://www.customled.com/products/flasher_relay/flasher_relay.htm

i used on on my previous bike...i was running 3 sets of led signals and the flash rate was WAY too fast. This took care of it. it just replaced the existing flasher relay and is MUCH simpler than inline resistors which tend to get hot.

it was a simple plug and play installation for me before but you may need to hardwire it, the instructions to do it are also on the website :)

Save $10 and go to AutoZone and just get an Electronic Flasher. Same thing, you may have to do some cutting and put on your own connectors, at least I did with my R6. Haven't looked into the flasher on the Stryker yet.

Not sure but thinkthese may help, I got something simmiler for the wifes Varigo trike a year or so ago.
http://www.customdynamics.com/loadequalizer.htm#Universal Turn Signal0