Color code on speaker wire - Diesel Truck Forum -
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post #1 of 4 (permalink) Old 06-14-2009, 08:51 PM Thread Starter
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Color code on speaker wire

So I put new(to me) speakers in my 06 CC. What are the polarities for the wires(which is positive and which is negative)? I can't seem to get the sound right.


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post #2 of 4 (permalink) Old 06-15-2009, 12:04 AM
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the factory does not label +/- on their radio-speaker circuits. at this low of wattage and single channel op it is irrelevant. if you upgraded the speakers ot produce better sounf you might want to look into a radio head too.
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post #3 of 4 (permalink) Old 07-01-2009, 07:35 PM
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A trick that you can use is a 9v battery or if you have a 18v battery put a set of leads on the terminals and pop the speaker. If the speaker goes in reverse the leads and do it again. Now if it went out trace which is the positive side of the battery and there you go. You now found which is negative and which is positive. Typically I just run new wires into the doors since I don't use the stock headunits or wiring. Sorry couldnt be better help on the color code though.

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post #4 of 4 (permalink) Old 07-06-2009, 02:33 PM
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It's easier if you hook a speaker up and turn it on. You will get real crappy bass response if the polarities are reversed. Try it one way the reverse it to see what sounds the best. I had to do that to mine. Then decided it still wasn't loud enough and put an amp in. You can run an amp on the factory deck, just need a high level input.

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