Unfortunately the switch came apart (why it needed replacing) so I don't know how to attached the L,1,2,3 to the White, Black, Blue, and Yellow wires. The ceiling fan is from Hampton Bays.

Thanks in advance!

All the info I have is here:

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)

You can try contacting the manufacturer.