Signal
Now, you need to get the signal from your head unit. You're going to wire it on the OPPOSITE side of the power. If you run the cables on the same side, you'll get interference from the power.
Run it on the left of the trunk.
After you get the signal into the car from the trunk, run it under the carpet next to the jump in the middle of the floor. You might have to move a lot of the carpet, which can easily be done by unsecuring it from the seat clip (the only thing holding it in place near there.)
Next, unscrew the console from the car. There is a screw on either side.
Now, remove the cupholder from the console by grabbing it on either side and just pulling. You won't break it.
Now, unscrew these screws.
Remove this bezel from around the radio and HVAC controls. A flathead screwdriver will do it, just pop it off from the top.
Now, unscrew these screws.
The whole console should be loose now. You can run that signal cable from the hump to underneath the console and by the shifter. You're going to want to use some zip ties here (one is shown in an earlier picture) to make sure the signal cable never interferes with your shifter.
Remove your CD player, and plug the coaxial cables into the back (you do have inputs, right?)
Now you want to hook up your amp to the terminal. Test it out by hooking it up BEFORE you put everything back together. If everything is working properly, everything just bolts back down in the reverse way you did it. Mount the amp, install the subwoofers, and you're good to go!
If anyone has any comments or suggestions for changes to this article, just PM me and I'll fix it up.
Josh
NOTE:
I received this advice in a PM.
"Trunk power wire routing tip for 2g awd
on a 2g AWD there are holes that the rcas and power cord can be passed thru to get them to the "trunk"... however to completely hide them there is a hidden hole under the plastic covering infront and aft of the back seat. remove the two screws you find after removing the lower back seat to remove the front panel completely so you can follow the original cable run and cable holders(accepts up to 2ga cable...) and remove two screws aft of the rear seat to lift up the bottom of the piece aft of the rear seat. Use a coat hanger or wire puller to find the hole and pull the power wire thru... and all your cabling will be hidden and under the trunk board.
This is for a 2g AWD, FWD are different in the trunk area..."
I received information that there might be additional screws to remove the cd player that I never put back after installing my head unit months ago. I also referred to the pre-amp outputs on the head unit as "inputs" - my mistake. Clearly, you plug the RCAs into the head outputs.