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Speaker Wire to Head Unit Connection Question

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Old Oct 15, 2008 | 03:40 PM
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Default Speaker Wire to Head Unit Connection Question

I am trying to connect the positive/negative speaker wires to the wiring harness for my Avic-2 Unit on my 99 C5. I no longer have any of the stock bose equiptment.

Can somebody tell me the colors of the positive/negative speaker wires from the GM harness?

Right Rear Positive
Right Rear Negative
Left Rear Positive and so on?

Last edited by Camaroguy22; Oct 15, 2008 at 03:44 PM.
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Old Oct 15, 2008 | 04:05 PM
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why arent u using a gm harness, this eliminates alot of splicing of factory wiring
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Old Oct 15, 2008 | 04:12 PM
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Originally Posted by pentavolvo
why arent u using a gm harness, this eliminates alot of splicing of factory wiring




I am so confused. I talked to an intall guy at best buy and he said that you cannot directly connect a harness to the Avic 2 Unit. He told me I would need to splice the wires into the harness that came with the Avic-2. I was hoping for more of a plug and play option.


The background on this is: The Avic-2 Was installed with the GPS, and Ipod Adapter and 2 amps. I got fed up with the amps taking up space in the car and I decided to remove them. I need to connect the speakers to the head unit. I am def not a wiring/audio guru and all help is appreciated. I can post pictures if needed.

Last edited by Camaroguy22; Oct 15, 2008 at 10:26 PM.
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Old Oct 15, 2008 | 04:13 PM
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ok so the wires from ur speakers where do they go to the amp?
have u rerouted them to ur headunit
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Old Oct 15, 2008 | 04:36 PM
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The previous owner had spliced red wires connecting each speaker to the amp. All of the speaker wires ran into a wiring harness that was unplugged. I unspliced them and removed the amp and the connecting wires. I am left with all of the speaker wires running to a wiring harness up by where the head unit is. That harness does not connect to the avic 2 though. I am wondering if there is some sort of adapter to get the two to connect or what.
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Old Oct 15, 2008 | 04:55 PM
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u lost me
the wirse that are connected to the speakers they are up at the headunit now but not connected?
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Old Oct 15, 2008 | 08:40 PM
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The wires connected to the speakers come together at a wiring harness that is up by the headunit. That wiring harness does not plug into the Avic-2.

I am trying to connect the speaker wires to the avic-2.


The best buy tech told me I need to splice the wires to the head unit. I would like to use some sort of connector or adapter if possible so I do not need to splice them.
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Old Oct 15, 2008 | 08:43 PM
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gotta splice em togehter no way around it

take a AA battery and tap it on each pair of speaker wires and the speaker will pop, label the wire pairs corespondingly

then just connect to the outputs on headunit
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Old Oct 15, 2008 | 09:41 PM
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How do I know what is positive and what is negative?

As a hypothetical example it says right front negative connect to white/black, right front positive connect to white.
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Old Oct 15, 2008 | 09:46 PM
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should be marked on the wires with a stripe or a + and -
or one side of the wire will have a ridge

just keep it the same thoughout
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Old Oct 15, 2008 | 10:20 PM
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I understand what you are saying but I am trying to figure out which is the negative wire coming from the speaker and which is the positive wire coming from the speaker.

The speaker wires one set is orange and blue. The wires are identical just different colors. Another speaker is light blue/green.

The pioneer instructions just say connect front right speaker negative to white, front right speaker positive to white black.

How do I figure out which one is the positive and which one is the negative coming from the speaker itself?
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Old Oct 15, 2008 | 10:23 PM
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ur gonna have to open the doors etc and check

u could just hook em up and it will work but u could get weak bass
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Old Oct 15, 2008 | 10:27 PM
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Thanks for all of your help!
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