The pull chain that operates the various speeds broke and the internal switch was not fixable there are three wires coming from the old switch 2 black wires one goes to the summer winter switch so remains the 2nd black and a blue wire that I need to connect to the internal wiring system
Any advice??
Thankx

What make is the fan?

Ceiling fan pull chain replacement and repair - Ceiling Fans N More (http://www.ceiling-fans-n-more.com/ceiling-fan-pullchain-replacement-and-repair.php)