rewiring

i had mb quarts dr spkrs w/ external x overs in the trunk.Got some new focals to replace them with,the focals have an internal xover.I thoght this would be easy,but Im having problems.I removed the old x overs.So now im looking at 4wires in the speaker opening,red,green,white,black,on both...

I don't know a thing or two about stereos but I've come across an issue. I had to put a spare tire in my car causing me to have to remove my amp box and subs. Upon putting it back, I had to reconnect the wires and now i am not getting power to the amp or subs. If the wiring stayed the same etc...