new head unit

i have a 1999 Ford ZX2 with a factory 6 disc cd changer. i have heard both yes and no for my question. i was wondering if i can put in a new head unit and not make the cd changer useless. please reply before this saturday because i'll be out of the state for the rest of the summer.

yes, you can, you change the cd player, but you need a FM modulator to get the CD cahnger to work with the new head unit, it wont just plug and play like aftermarket changers and units do.