Kenwood KSC-310CCS Center Channel Speaker Car Speaker "7702" Questions

i need to know how to wire this to my amp i have never wired a 3 way system and i need to know if i do any thing different Typically on these units there is only one hookup for the amp or a left and ...

I'm looking to replace the sub woofers in the KSC-7702 part # T10-0582-05 and can't find anything on the net. Can you help? thanks rick just replace it with the same wattage rating and the same ohm ...