I found some offsets and never saw them before in other threats
Offset for 4D1 (iw4m.dat)
iw4m.dat+3F0F88
iw4m.dat+3F4300
iw4m.dat+427CEC
iw4m.dat+4EE0C4
iw4m.dat+72C6B0
iw4m.dat+734E84
iw4m.dat+737FD0
iw4m.dat+73B11C
iw4m.dat+73E268
enter this offsets in Cheat Engine, mark all and set value to 20 (bytes)
4d1 Fullbright = 6FABDF4
set value to 4 (bytes)
Offset for original MW2 (iw4mp.exe)
iw4mp.exe+795590
iw4mp.exe+79B828
iw4mp.exe+7986DC
iw4mp.exe+792444
iw4mp.exe+78F2F8
iw4mp.exe+78C1AC
iw4mp.exe+789060
iw4mp.exe+785F14
iw4mp.exe+782DC8
enter this offsets in Cheat Engine, mark all and set value to 20 (bytes)
so have fun and give credits to Darknightx37(me)