Installing a sub...

[Bradt726]

Ok. I know this is going to sound stupid and not the "proper" way to connect a subwoofer but I am just curious if it's possible.

Today I ran some speaker wire from the negative and positive terminals on one of my rear speakers to a 12" sub I have in a box. It actually worked.(And by "worked" I mean the sub put off some sort of bass) I know this is far from the potential my sub has. I have an amp and an aftermarket cd player but they aren't hooked up right now. Plus I can't seem to find a "universal" wiring harness for my car and cd player. I'm running through my factory cd player.

Main question: Is it possible to run from both rear speakers to the sub to double the power getting to the sub without installing an amp? Or will this cause some electrical issues? If someone could point me in the right direction I would greatly appreciate it. My Aveo is as stock as they come, right now. This fool doesn't even have power windows! lol

[kevin7898]

the wiring diragram is on a sticker on the top of the radio,not sure if thats what your looking for, if you need help removing it, let m know,and i can whip up something.

[Bradt726]

I really just need a starting point to remove the cd player and the back cover for the factory speakers. I'm just going to install the cdplayer I have and some different speakers.

[festersays]

What year car do you have? for the 2009-up, you pry around the trim piece. Start from either the top left/right with a small flathead, and pry from the radio side. Then bottom, and then continue to the opposite side's bottom. It should pop right out, and reveal the screws that hold the radio in.

[Bradt726]

It's a 2004. Sorry for not posting this in the original post.

[festersays]

No biggie! Sorry I can't help you further.

[gmdude]

how high up did you need to turn up the volume on the head unit for the sub to sound decent? I really doubt you will enjoy the sub w/o an amp powering it. If your head unit doesn't have preamp outputs behind it then you can go ahead and use the speaker wires in the trunk speakers to feed sound to the amp.

[kevin7898]

you want to take a flathead screw driver to the platic trrim peices on the right and left of the radio, start at the bottom where it curves to a point, and start to pry them up. they are just held in place with clips, once removed there are 4 i belive 10mm bolts holding the radio and tray assembly in place.



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[thehunterooo]

Is that foil?

[kevin7898]

no, its that aluminum duct tape, just temporary