I donít think it matters. Check out this photo of a cheep set of led flashers on ebay http://cgi.ebay.com/ebaymotors/ws/eB...ksid=p3907.m32
The flasher unit is 12v 10w max, which is about what mine is.
What type/brand led did you get?
It is a lot easier to die, then it is to use your head. R.A. Heinlein