When you going to Multiplayer Menu, the Second Controller turned off.
NOW, You can new Register the 2P Wiimote in Multiplayer Menu.
You have more Button Activators
The FSC Code Support Classic Controller for Wiimote+Nunchuck ^^
The Steps is easy
1.) Goto Multiplayer Menu
2.) Press a Button on 2P Wiimote and wait for a 1-2 Seconds
3.) Then Press on P1 Wiimote B and D-Up same time
[Force Second Controller (P2)] by WiiOs (Ozelot)
0417E128 FFFC0000
0417E188 FFFC0000
0417E098 FFFFFFFC
0417E09C FFFFFFFC
0417E0A8 000002FF
0417E0B8 000002FF
0417E0BC 00000200
0417E0B4 00000100
0417E0C4 00000300
0217E0B2 000002FF
0217E0C2 000002FF
2817FE0A 00000408
0417E1C0 06060000
E0000000 80008000
Button Activator for the Force Controller:
[Wiimote P2]
2817E100 0000ZZZZ
[Classic Controller (Put CC on P2 Wiimote!]
2817E0CA 0000ZZZZ
CONFIRMED WORKING BY WiiOS