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Old 07-24-2009, 09:36 AM   #1
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New Receiver for the Factory 7-Speaker System

Hey guys,

I have a 2005 Unlimited with the factory 7 speaker system and am installing a new head unit this weekend. I have installed head units before, but never into a system with a subwoofer or factory amp (I believe there is a factory amp?).. I got it from Crutchfield, so I believe the instructions are pretty dynamite, but I wanted to quickly check with you guys if the procedure is anything out of the ordinary, or if its just all taken care of with the wiring harness as usual. I tried searching but couldn't find anything. Here's the deck I decided to go with, if you're interested:

Pioneer DEH-P5100UB CD receiver at Crutchfield.com

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Old 07-24-2009, 11:29 AM   #2
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only different things is you need to hook up amp turn on wire (blue/white). that hooks up to the blue/white on pioneer (if it has that) if not it's the blue wire

other than that colors should match color for color

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Old 07-24-2009, 02:17 PM   #3
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K, thanks Jdogg. I'm pretty sure it has one.
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Old 07-27-2009, 07:42 AM   #4
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The install went well enough, or so I thought.. My sub is cutting in and out, it will be on for a few minutes, and then turn off for another few minutes.. This was my first time soldering, maybe I made a bad connection somewhere? Which connections on the wiring harness would be indicative of the sub coming on and off? Is the blue wire the only culprit this could be? I'll try and get outside at lunch and make sure all the speakers are working when the sub doesn't appear to be functioning. Unfortunately I can't say with 100% certainty that this hasn't been happening since before the head unit install, because I have been a little suspicious that my sub wasn't functioning at times and I've only had the Jeep a few weeks. Are there any connections I should check on the amp or sub? And is the sub under the driver's seat? Sorry I know I am a complete novice when it comes to this. Thanks in advance for any help you can offer.
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Old 07-28-2009, 08:13 AM   #5
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only thing that blue wire is doing is turning on the amp's.

as for the factory wires it's real uncommon for factory wires to go bad, unless someone was cutting into them etc.

if i had to guess i would almost say it's the sub goin out, which is pretty common esp if the old owner was abusing them, problem w/ jee[s etc is most ppl don't listen for distortion, they just crank the volume. and when tops off they turn it up more and road/wind noise will mask that. so it's easy to blow speakers up
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Old 07-28-2009, 09:32 AM   #6
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Thanks for the help, man. I guess I should start shopping for an aftermarket sub, should be cheap enough anyway, given the size. I'll give crutchfield a call too, to get their input. I'll post back with results.
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Old 07-28-2009, 12:48 PM   #7
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You got a nice HU going there man.
Be sure to let us know how you like it.
Have you considered using an HDD with it for your music?
I have a 160GB HDD mounted in my Glove Box and it works great with my Pioneer DEH-P600UB.
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Old 07-28-2009, 01:59 PM   #8
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Yeah, once I get the sub working again, I'll be sure to let you know. So far I'm very impressed with it. I have considered an HDD, yes, but I just bought my first IPod, 120GB classic, so my whole library fits on that. It's surprisingly seamless, I hop in, slide the faceplate on and as soon as I plug the IPod into the USB cable, it just starts playing from wherever I left off.

Can someone kind of describe how the factory amp, subwoofer integration works to me? I'm really new to anything outside of 4 speakers..

As I understand it (or misunderstand it) the amp get power directly, not from the head unit, and it receives the audio signal from the rear speaker connections from the head unit, and thus feeds the amplified signal to the subwoofer, which does not have a power connection of its own?
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Old 07-29-2009, 01:48 AM   #9
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Yeah, if you already have a 120GB Ipod, no need for a HDD then.

Those HU's are nice.
My only gripe is that when you're looking at a list of songs/albums/artists,
it highlights your selection with another shade of blue,
when the text is already blue,
giving it kind of a backwards look.
Sometimes that really messes with my eyes.
But other than that, they're great!
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Old 07-29-2009, 08:22 AM   #10
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Yeah, I wish it was color tunable or at least white or green, the blue on blue is a little funky
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Old 07-29-2009, 06:55 PM   #11
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Color Tunable WOULD be a nice feature.
IMO, that's all these Pioneer HU's are missing.
That's true for alot of stereos.
At some point manufacturers are going to give in to this option to keep the consumers happy.

It's funny,
I've seen several HU's that are really customizable as far as lighting and aesthetics, but really suck for sound and playback features.
Yet, other HU's are great for sound and playback, but you can't hardly customize the look at all.
I'd definitely choose sound quality over aesthetics, but there's going to come a time when they'll be forced to do both, as the lesser brands catch up.

I do like how Pioneer incorporated "movies" and other animations in their screens, so you don't have to put up with a "text only" read out on your display. The 3 lined thick OEL Display is also alot nicer than most other brands.

*Note:
I'm not sure if you found the setting or not yet, but you can invert the background from blue to black.
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Old 07-30-2009, 07:44 AM   #12
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Yeah I think I figured that out, at least the option to keep it from reversing the colors every 30 seconds, that was distracting as hell! The movies are sweet, get to switch it up every once in a while. Hey can you provide me some insight into how the amp & subwoofer works? (I posted some questions up above a message or two) I'm gonna try and troubleshoot my woofer soon, want to take care of that ASAP.

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