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Aftermarket HU HELP!?

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Old 07-27-2009, 10:21 PM   #1
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Question Aftermarket HU HELP!?

I have a pioneer deh p311 HU but the speakers next to the rear seats are not working how can i tell if theyre blown or if my HU isnt giving out enough power
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Old 07-28-2009, 01:56 PM   #2
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There's a pink wire on the factory radio harness.. It needs switched power to power up this little crossover thing.

Just hook the remote wire or any switched power to it.
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Old 07-28-2009, 07:47 PM   #3
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The pink wire is the power antenna control (Firebirds only). If you have a premium 10-speaker audio system then the amp powers the two sail panel speakers (beside the rear seat). The amp doesn't require a remote turn-on wire like most aftermarket amps - it uses signal sensing to activate.

Check the RADIO ACCY fuse in the dash fuse panel. That's the one that protects the amp.
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Old 07-29-2009, 02:34 PM   #4
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I had the same problem in my car..

I don't have a factory amplifier or power antenna. The pink wire is still there and it goes to a module in the bottom of the right sail panel. It needs power for the sail panel speakers to play.

I would check both suggestions. Good luck.
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Old 07-30-2009, 07:44 AM   #5
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If you have the premium 10-speaker system (door mids and tweeters, sail panels, and hatch mids and tweeters) then you do have an amp - that "module" in the right side sail panel below the speaker next to the rear seat cushion is the factory amp. If you have the base speaker configuration (4 speakers - doors and sail panels only) then everything is powered of the head unit and there is no "module" in the sail panel.
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Old 07-30-2009, 07:44 AM
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