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Old 08-09-2009, 09:16 PM   #176
WRBear
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Quote:
Originally Posted by jmacie3 View Post
Hey guys, I've basically wired everything up except there is no place to connect the ground on my alpine unit connector to the metra harness I bought for the car. I also need to connect a blue wire and I'm guessing that goes into the blue/white on the metra harness. I tried running the car without it and the head unit won't start up, I'm guessing because this has to be connected to something. Sorry I'm a newb and when I had this head unit on my old car, all the wires matched up perfectly so I didn't have problems.
You have 2 options:

1) Tap into the car-side harness

2) Tap into the black/blue wire that was plugged into the back of the OEM stereo--that is a ground

Hope that helps

PS And yes, I believe that blue wire is to go to blue/white--power antenna right? or is that remote turn out...SVXdc can help out on that
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Old 08-10-2009, 01:08 AM   #177
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Quote:
Originally Posted by jmacie3 View Post
Hey guys, I've basically wired everything up except there is no place to connect the ground on my alpine unit connector to the metra harness I bought for the car.
Yep. Metra initially made their Nissan/Subaru 20-pin harness without the ground wire (the Nissan cars do not have the ground).

As you discovered, your HU does need a ground. You can attach the black wire on the Alpine's harness to your car's chassis (find a screw that goes into good, clean, unpainted metal), or as WRBear suggested, connect to the Subaru's single-wire ground lead (which was attached to a terminal lug on the rear chassis of your OEM radio).

Quote:
I also need to connect a blue wire [from the Alpine] and I'm guessing that goes into the blue/white on the metra harness.
WRBear was right -- use the Blue/Wire on the Metra harness. Metra made it that color because on Nissans that pin is for amp remote-on. On Subarus that pin is for the antenna booster amp.
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Old 08-10-2009, 01:02 PM   #178
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I interpreted the original post to mean that the guage surround and lower dash panel did not have to be removed to get the stock HU out, but the trim piece that goes across the dash cannot (as far as I can see) come out w/o those pieces removed. Any more hints on how to remove the guage surround and lower driver's dash panel? They also didn't come out easily when I tried over the weekend
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Old 08-10-2009, 02:02 PM   #179
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So I was thinking of swapping my 05 STi 6 disc out for an 09 WRX 6 disc. Am I correct that the 09 HU is wider than my current 05 HU? And also that the connectors are different and won't just plug in?
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Old 08-11-2009, 12:06 AM   #180
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Quote:
Originally Posted by Must@ng View Post
I interpreted the original post to mean that the guage surround and lower dash panel did not have to be removed to get the stock HU out, but the trim piece that goes across the dash cannot (as far as I can see) come out w/o those pieces removed. Any more hints on how to remove the guage surround and lower driver's dash panel? They also didn't come out easily when I tried over the weekend
I was able to get mine off just now with just my fingernails just like elwray mentioned a few pages back.

Sitting in the passenger seat, I start with the upper corner closest to that side of the car. If your fingernails aren't strong enough, use a putty knife or something else suitably thin, plastic preferably so you reduce the risk of stratching things. When I do it, I have my left hand prying the top edge as shown in the pic below, and my right hand prying the right vertical edge.



Doesn't take much to pull it out enough to get a better grip with your fingertips:



Keep prying around the top edge toward the drivers side of the car, don't worry about the bottom edge, you want to get the top edge first:



At this point, you have much better leverage and you can tilt the top edge down slightly as you pull the bottom toward yourself, the bottom will pop out eventually. No need to remove any other trim!



To reinstall just reverse. Work the bottom edge in first working your way up toward the top.

Last edited by Jowie; 08-11-2009 at 12:12 AM.
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Old 08-21-2009, 11:08 PM   #181
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Great thread. Thanks!

Subscribed.

Tim
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Old 08-22-2009, 01:23 AM   #182
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Quote:
Originally Posted by Jowie View Post
If your fingernails aren't strong enough, use a putty knife or something else suitably thin, plastic preferably so you reduce the risk of stratching things.
Someone suggested using a credit card. I'd pick an expired one
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Old 08-27-2009, 03:09 PM   #183
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Quote:
Originally Posted by SVXdc View Post
Someone suggested using a credit card. I'd pick an expired one
i just used a knife. you only need to wedge it a lil bit then your fingers can get in there.
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Old 08-28-2009, 09:39 PM   #184
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I read somewhere that the bezel actually has a couple of small notches (on the bottom, I think) that will allow you to insert a small tool to pry out that side.
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Old 08-29-2009, 10:16 AM   #185
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Quote:
Originally Posted by SVXdc View Post
I read somewhere that the bezel actually has a couple of small notches (on the bottom, I think) that will allow you to insert a small tool to pry out that side.
Truth. 2 on the bottom side.
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Old 08-29-2009, 05:25 PM   #186
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I just did an aux cable install on a stock 08 2.5i. The bezel for the radio was ridiculously tight on my car so I went the route the first few posts recommended (remove the panels from above the glove box and work down to the head unit bezel). Everything went okay, but I made mistakes that I thought I could warn others about...

* It's REALLY easy to scratch the dash. The plastic tabs that seem to keep practically everything together in this car are sharp and when you try to wedge the panels apart with your hands make sure the tabs aren't rubbing up against anything! Better yet, tape up the dash around any panels you're taking out.
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Old 09-02-2009, 04:27 PM   #187
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Just wanted to say thanks, this should be stickied!!
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Old 09-30-2009, 03:03 PM   #188
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Quote:
Originally Posted by DanzBorin View Post
np...

beware that the stock stereo is wider than a normal double din... there will be gaps if you put a standard din or double din stereo in there...
Bump this one... anyone knows how much wider than normal din the stock stereo is?
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Old 09-30-2009, 04:49 PM   #189
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Originally Posted by unclemat View Post
Bump this one... anyone knows how much wider than normal din the stock stereo is?
Do you need actual measurements? If not I'm remembering roughly 1/2" on either side.
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Old 10-07-2009, 11:38 PM   #190
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I'm curious where the 09 non-navi stereo is getting a speed signal from. It has a volume increase by speed function. So I assume it has to get a signal from somewhere.
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Old 10-08-2009, 12:51 PM   #191
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Originally Posted by fuji6 View Post
I'm curious where the 09 non-navi stereo is getting a speed signal from. It has a volume increase by speed function. So I assume it has to get a signal from somewhere.
Yes where is everyone running their speed sensor wires running aftermarket nav in these 08-10's?
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Old 10-21-2009, 01:07 AM   #192
dlew308
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I have a kenwood HU from crutchfield and the nissan adaptor. Does the black from the kenwood harness and nissan part each go to the chassis? Or do I connect them together?
Thanks! non-navi, basic 09 wrx stereo.
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Old 10-22-2009, 07:37 PM   #193
mpggomd
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Quote:
Originally Posted by dlew308 View Post
I have a kenwood HU from crutchfield and the nissan adaptor. Does the black from the kenwood harness and nissan part each go to the chassis? Or do I connect them together?
Thanks! non-navi, basic 09 wrx stereo.
Connect them together...I just installed my Kenwood today as well and that is what I did. Everything works perfectly!
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Old 10-22-2009, 07:43 PM   #194
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Thanks, I ended up doing that this morning as well
The kenwood sounds 1000000000000000000x better then the stock HU..

Quote:
Originally Posted by mpggomd View Post
Connect them together...I just installed my Kenwood today as well and that is what I did. Everything works perfectly!
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Old 10-22-2009, 07:59 PM   #195
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Oh yeah it does but I also put in some Infinity components in the front doors with the sail panel tweeter pods....That was a huge difference than stock
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Old 10-23-2009, 01:32 AM   #196
greddy90
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Question,

How come the OP's pin out chart's polarity is different from the one listed here?
http://forums.nasioc.com/forums/show...2&postcount=11

OP:
LF (+ / -) (white/black / blue/orange)

RF (+ / -) (green / brown/yellow)

LR (+ / -) (red/black / white/red)

RR (+ / -) (red/white / gray/green)



Link:
5 Left Rear Speaker – Red/Black
6 Left Rear Speaker + White/Red

7 Left Front Speaker – White/Black
8 Left Front Speaker + Blue/Orange

15 Right Rear Speaker – Red/White
16 Right Rear Speaker + Gray/Green

17 Right Front Speaker – Green
18 Right Front Speaker + Brown/Yellow
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Old 12-12-2009, 12:45 PM   #197
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+1000000 for this thread.
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Old 12-13-2009, 12:42 AM   #198
SVXdc
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Quote:
Originally Posted by greddy90 View Post
Question,

How come the OP's pin out chart's polarity is different from the one listed here?
http://forums.nasioc.com/forums/show...2&postcount=11
For my table (in the 'Stock HU info' thread), I looked at Subaru's wiring diagrams -- I compared the 2008 WRX and STI with- and without Navi. The wire colors going out to the speakers are the same in both. Since the Navi uses the older 14-pin harness, we already know which of those pins are the positive and negative wires, so I translated those polarities back to the 20-pin harness for non-Navi cars.

Those polarities also match how the aftermarket harness makers have been building their 20-pin harnesses.
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Old 12-23-2009, 10:37 PM   #199
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Sorry if this was already answered. I looked through all 8 pages of this thread and couldnt find an answer, but how difficult would it be to replace the stock 6-disc Stereo with a stock navi for a 2008 impreza? Would the steering wheel controls still work too?

Thanks!
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Old 12-26-2009, 10:46 AM   #200
billtvt
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Default Help with Ipod install for my 2009 Impreza

Hi- this is a great thread, with really good info. However, I could not find anything pertaining to the Ipod Adapter kit I need for my '09 Impreza with 6 disc changer (Premium but no Nav). I purchased a UPac from Crutchfield, and unfortunately found that the connector harness was too wide for the radio (24 pin, I need 20). Crutchfield does not have an adapter that will work with the 6 disc changer stereo, nor have I been able to locate one. Can anyone advise me where to find one (or if one is available?)
Thanks very much
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