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05-31-2004, 06:49 PM
I hooked up an amp in my friends 99 cavalier utilizing the high inputs on the amp (stock deck). I used the wires from the rear speakers and I am unsure which is negative and which is positive. On the harness they are labelled A and B. Which is which? I can offer a guess, but I want to make sure. Help...


05-31-2004, 11:02 PM
I think that A is the positive, but im not 100% sure. Try checking out j-body.org in the audio forum. This is a site for cavaliers and sunfires so you might find the info there. Hope this helps a little.

05-31-2004, 11:29 PM
Chances are that a is positive and b is negative but as said...this is not for sure known to be true. Also, car manufacturers like to do with the speaker wires like they do every other wire in the car... If there are two wires going together such to the speaker, the darker colored wire is usually the negative and vic-versa with the postive.. This is how it was with my Grand Am...The rear speakers were arranged in a blue-green, yellow-brown combination to each wire....turns out the blue and the brown were the negative for each speaker.

06-01-2004, 12:59 AM
That was my guess too. I took the A (lighter color) wire as being the positive. Thanks guys...great minds do think a like.


06-01-2004, 01:17 AM
or u can just try it and if it is out of phase...switch it around...

06-01-2004, 04:34 AM
gm and their peripheral crap, why not just laber it + or-. Had the same prob in my burb, i guessed and it works fine to me.