Okay im really new to this stuff guys so give me a break: Im in the process of replacing my stock "premium audio" speakers. ive already replaced my HU and i have a PX.3200D mono block amp powering two CVR 12's.
So i only have one set of RCA outputs left on my deck. The sound guy gave me these for that problem.
as far as replacing the speakers i bought the pioneer D series package. In my car the factory wiring is ODD. Like it has 2- and 2+? Is that because its a 4ohm speaker? then why is there a tweeter hooked up to it in the rear deck. take a look yourself:
the front door speakers only had 1 plug in.
emnd the end the guy told me to use "speed wire" so i got 20ft of it. I dont know how to use it??? someone please help in my case.

BTW i bought a planet audio 4 channel for all of this.
Based on the colors of the speed wire, you would run this from your 4channel amp output to behind the headunit to tie back into the factory speaker wiring. Prevents you from having to go into the doors or running wire to each speaker separately.
Regarding your speaker wiring, do two of those wires just run to a separate tweeter? I am not familiar with that vehicle so I can't offer much else then speculation.
Thank you for your reply awdeclispe, so the speed is to be connected to my speaker wires behind my HU? That means that my head unit won't receive any wiring besides power , antenna , RCA and remote wire out ? Regarding the speakers... It seems they are linked . Like there's a tweeter in my front dash that runs off to my door speaker then to my rear deck speakers that end with a tweeter? Where does speed wire plug in to on the amp...