i have a wired question i wanna no if any ones elses is like this

i pulled up a wireing diagram for the car(mitchell on demand) it says left front door speaker says green is + and brown is - that was fine thos where the wires that where their so i go to the other side and it says that violit is + and dark blue/red is - but i pull the speaker out and there is a green and a brown im F***ing confuesd is any one elses like this its a 96 high line

the back of the deck has all the proper coulous on it tho

 

help asap

im putting in a head unit 2moro and there are 2 wired (dimmer and head lamp in) i need a dimmer one for the head unit im assuming that ill use the dimmer wire

but what do i do with the other one leave it blank

 

buy a wiring harness
http://www.soundoffaudio.com/item.cfm/id/519
these have all of them labled