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Speaker wire to RCA help

M

mattstansbury

New member
Bought the car with subs spliced into the stock radio, have recently installed a radio with subwoofer rca jacks, can someone point me in the correct direction to what i need? I looked for simple speaker wire to rca adapters and i found straight adapters, and some kind of hi-low adapters too, what are they for? Thanks
 


I thought i had worded the question to which all could understan, but ill further clarify, the subs work now, they are spliced into the factory speaker wires, I want to take the speaker wire running to the subs, unsplice them from the door and rear deck factory speaker wire, add rca jacks and connect them to the radio headunit so i can adjust my subwoofers bass level without effecting the 6x9s and door speakers, hope that helps.
 
If I am reading this right they just wired the subs directly to the speakers without an amp.
You should not run subs directly off any head unit ever just fyi.
Get an amp and an rca cable that is the best way to do it.
And the way you want to do it will not work. Those are preamp outputs on the back of the deck.
 
Exactly, you will burn subs up if you run them without an amp. Underpowering them is bad.

You need to run the RCAs to an amp, then the amp to the subs.
 


The subs are wired and done properly, 2 12" subs wouldn't even drive runnnig off of stock radioand no amp....the sound inputs are just ran to the factory speaker wire and i wish to unsplice them and connect them to the correct rca preamps...why does no one understand my question :( idk how else to explain it..
 
I am not powering them with preamps, I have an amp wired to the car battery, my +/- speaker wire dont transmit anything but the sound signal, I wish to split them from the stock wiring and have my subs plug into the back of radio. Then I will have every set of speakers on seperate channels. I have left right(front) left right(rear) and left right(subs). I wsh to connect the speakers to the proper plug in.
subs problem.jpg
subs solution.jpg
 
I am not powering them with preamps, I have an amp wired to the car battery, my +/- speaker wire dont transmit anything but the sound signal, I wish to split them from the stock wiring and have my subs plug into the back of radio. Then I will have every set of speakers on seperate channels. I have left right(front) left right(rear) and left right(subs). I wsh to connect the speakers to the proper plug in.
View attachment 10176
View attachment 10177Here are two photos of what i am talking about. I wish to unsplice the red(subs) from the rear 6x9's (black)
 
Pretty sure I get what your saying. The speaker wires that go to your amp from the rear 6x9's will be disconnected and left alone. Run RCA cables from the rear of your new CD player to the amp powering your subs.

This way your aftermarket amp will be getting its audio signal from the CD player via RCA cables instead of taking its audio signal from the rear 6x9 speakers. Hope that helps.
 


Now that I think about it. What amp are you running. If your running an amp that does not have RCA inputs on it that would explain the confusion. Can you post a pic of the connections that amp has.
 
I have an amp with low level inputs and high level outputs, the low level are rca, but high level is a plug...and my high level is just spliced into the factory speaker wire, why couldn't I just unsplice them from the factory wiring, add an rca plug then plug the rca's into the preamp? or would I have to buy two rca adapters and change both ends to rca plugs?
 
The proper way would be to run rca all the way, but i do not wish to tear the entire car apart. it was done professionally by previous owners and everything is professionally ran and hidden neatly, It would be easier for me to just change the plugs.
 
It will make no difference switching the plugs. You need to run rca cables from the head unit to the amp. If your not gonna do it that way id leave it alone.
 


how much cable will i need? approximately, to run from headunit, through glovebox, down door sill then under rear seat? i think thats how its run now.
 
I'll be honest, I haven't had a Grand Prix interior apart, but the way I did it in my Stealth and the way I would do it in a Grand Prix is to run it under the center console, then under the carpet, under the rear seat and into the trunk.
 
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