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Old 03-27-2012, 07:30 PM   #1 (permalink)
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How to Add Subwoofer in trunk with amp for it?

I have a 2011 Impalla and want to add a subwoofer and amp for the sub in the trunk.
How would I pull the audio from the existing speakers in the rear deck for the subwoofer? would I need any converters ? hilow or lowhi or something??

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Old 03-27-2012, 07:44 PM   #2 (permalink)
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Read through this

http://www.impalaforums.com/audio-vi...tegration.html

I posted youtube videos showing where to run the power wire, and getting to the back of the factory stereo to add in the line out converter. Go on sonicelectronix.com, and search for a pac AOEM-GM1416 line out converter if you don't have bose, or AOEM-GM1416A if you have bose. It is plug and play, so you don't have to cut into your factory wiring to add an amp. That way, if you ever sell the car, you can convert back to factory with no trace you ever had an amp.

The converter has speaker wire passthroughs as well, so you can use the factory speakers, and then use the rca outputs to run the amp. If you only need the one channel of rca's fir the amp, use the rear channel for the amp. That way, the front channels have their full power going to the front speakers.

If you have any more questions, feel free to pm me. I can take you from start to finish on a whole sound system on your car.

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Old 03-27-2012, 08:56 PM   #3 (permalink)
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Yeah I have bose. Will that unit take any sound away from the bose system?
or will everything work 100% the same with the addition of RCA amp out connections?

Honestly I would rather splice into the rear deck if thats a functional way to do it. wouldnt it require some sort of hi to low converter ?

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Old 03-27-2012, 09:00 PM   #4 (permalink)
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Everything should work the same. Just make sure you get the AOEM-GM1416A. That is the one that is meant for factory amped systems.

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Old 03-28-2012, 12:35 PM   #5 (permalink)
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anyone else

any info on how to just pull the audio from the rear deck? I would rather not change harnesses in the headunit and stuff

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Old 03-28-2012, 12:49 PM   #6 (permalink)
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Using the pac unit is much, much easier. Just a heads up. You will still need to buy a line out converter to pull from.the rear speakers. I would need to find it again, but a couple days ago I found the wiring harness color codes for the bose system. You will want to tap in to the OUTPUT side of the factory amp for the line out converter. And you will still need a remote turn on lead. In the passenger floorboard fuse panel, there is a fuse labeled RAP. It means retained accessory power, and it is what keeps your stereo on until you open the door. Get a fuse tap from the auto parts store, so you don't have to cut the factory harness.

Im telling you, from personal experience, the pac system is much easier. It includes rca's and the remote turn on lead you need. Its a 15 minute job to put it in, and another 5 minutes to run the rca's to the trunk. But there is the info to do it if you want to tap into the wires from the rear deck.

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Old 03-28-2012, 01:10 PM   #7 (permalink)
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alright, thanks for pointing both out and how they work. with the PAC everything factory will still work right? including the Bose amp in the truck and interior speakersand Onstar and XM and steering wheel controls?

Then I would just connect the RCA's on the pac to the New amp for the subwoofer in the trunk ?
and just wondering.. I Was looking at some power and wiring diagrams and noticed that some impalas mostly the police ones come with power already run to the trunk.. do the retain normal impalas have a power accessible area in the trunks? or am I running power for the amp from the battery ?

How do you feel about these for the sub and amp ?
Amazon.com: Rockford Fosgate Prime R500-1 500-Watt Mono Amplifier: Car Electronics Amazon.com: Rockford Fosgate Prime R500-1 500-Watt Mono Amplifier: Car Electronics

-------

Amazon.com: Rockford Fosgate Prime R1L-2X12 Double R1 12-Inch Pre-Loaded Enclosure: Car Electronics Amazon.com: Rockford Fosgate Prime R1L-2X12 Double R1 12-Inch Pre-Loaded Enclosure: Car Electronics

Thanks for all you help and info

Last edited by CorporeSano; 03-28-2012 at 01:23 PM..
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Old 03-28-2012, 01:22 PM   #8 (permalink)
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Those are pretty good options. And yes, everything will still work fine with the pac.

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Old 03-28-2012, 06:36 PM   #9 (permalink)
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Hey Devine..
are the impalas prewired for power in the trunk? I was looking at some electrical diagrams and there was a mention of factory power in the trunk

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Old 03-28-2012, 06:45 PM   #10 (permalink)
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That, i do not know. Are you thinking of using the factory power in the trunk if you find it? Because it probably is not big enough. You will want at least 8 gauge power wire to run to the amp. I would be willing to bet that if there is a power block in the trunk, it is 12 gauge wiring tops. Probably for police accessories, like a light bar. If you find one, let us know. That would be pretty useful for something.

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Old 03-31-2012, 07:59 AM   #11 (permalink)
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Trunk Power

Police package wiring diagrams I have located for power distribution
Attached Images
  

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Old 03-31-2012, 09:34 AM   #12 (permalink)
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I would use caution when tapping into any kind of factory wiring.. I know some police package vehicles do run power to the trunk for accessories like video equipment and whatnot but you do not know what else that department may or may not have tapped into that for also.. I have seen the guys in these town garages that strip the cars and leave bare wires out or tap into things they shouldn't.. Sometimes even rewiring areas of the car.. If it were me I would do what was suggested... Purchase the pac-audio piece that gives you the rca outs and run your own power cable.. It is not all that hard to do and you will at least know it was done right.. I have installed many sub systems.. I was actually going to do my Impala but opted to let another guy do it as there was a lot going into the car and I really didn't have the time to get involved with it..

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Old 03-31-2012, 12:48 PM   #13 (permalink)
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Thanks for the advice guys, Im going with the PAC module for the sub and amp.
Random other question. are there any powered lines in the car that always have power? all the time even after the car is turned off? anything around the doors, radio, or center console?

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Old 09-05-2012, 07:29 PM   #14 (permalink)
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Want to make sure. Will this adapter work on my base stereo?

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Old 09-12-2012, 12:05 PM   #15 (permalink)
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i have my 2011 ltz impala hooked up with the PAC oem-gm1416 and it works very well with the bose system, it works amazingly well, no issues, great sound and makes xm radio even better since there is actually bass with it

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