Please Help me 1995 Ford Contour

my back 2 rear door speakers were dead when i bought it. I bought a set of Pionner 6x8 speakers to replace them, i got the door panel removed and the old speaker out....but the connector in the pionner box dosent connect to the car wire. the speakers i bought are these http://www.pioneerelectronics.com/pna/v3/pg/product/details/0,,2076_310069902_291202530,00.html
so now i need to install them, do i need to strip the old connector and sodder it to my new speakers? honestly i dont no what im doing and im 17 and this 1st time i worked on car lol. Please help me :D

Yes, solder the wires to the metal tabs on the speaker.