+ and - speaker leads are both + charge, speaker only works when directly grounded

[mustangaudio]

I made a thread similar to this, but had vary vauge title, so hopefully this title makes mire sense. I *have a*pioneer double din*I put in my car, and wired new wires through the whole car. Now when I hooked up my new*alpine speakers*they wouldn't work. I found that the + and - wires for a speaker coming out of the pioneer both have a + charge. I also found that if I just forget one of the wires and ground out one speaker terminal directly, the speaker works. What's wierd is the old*pioneer stereo*was set up the same way... one grounded directly...*So my question is why is it this way? It doesn't seem right to me, and how would I deal with this issue, i want to put a*4 channel amp*in, so how would I do this... is this common? What's messed up on it? Thanks...

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[Jepalan]

Please provide the model number of your pioneer and if you can, provide a link to the manual

 

[Jepalan]

I answered in your other thread. You should not make two threads for the same issue.