Altima 99 to 2001 headlight conversion

[Stealth_s13.5]

like the title says i doin a swap of headlights on my sisters altima its a 1999 and she just bought some 2001 altima one-peice jdm headlights now my question to u is that if anyone has done this before and knows about the wiring her oem headlights have only 2 ports for light while the new one has 4, assuming one for parking lights city lights and etc... i really need help with this wiring issuse hope my fellow nissan owners can help