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Old 01-01-2010, 11:26 PM   #1
BOXRPWR
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Default "simple question"

Okay, I know about searching first. but this sub-forum is so jammed packed with TONS of technically detailed Sticky's and threads that I'm getting lost.

Here's my simple question:

I own a 2010 STI. Bought a fact. refurb Kenwood DNX5140 headunit.

I simply want to install it alone. Keeping with factory speakers, etc. for now.

Box came with items in pics below:







So what else do I need to buy to support the simplest installation? I need some kind of "Harness" right?

Forgive my preschool audiophile knowledge here. Confident I can get some good, straight-forward help here.
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Old 01-02-2010, 12:00 AM   #2
joe r
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You need the harness & dash kit for your car.


joe r
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Old 01-02-2010, 02:28 PM   #3
BOXRPWR
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Can somebody be a bit more specific please?

P/N's, suggested on-line sources to buy it?
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Old 01-02-2010, 03:37 PM   #4
montyleew
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If it were me, I would call Crutchfield at 1-800-319-8264. They don't have a 2010 model listed online but I'd be willing to bet the guys know exactly what you need. Their customer service is excellent.
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Old 01-02-2010, 04:13 PM   #5
xbiker321
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Harness would be the easiest way but you can always strip and connect the speaker wires to the DNX's harness...a little more work but if you are cheap and dont want to wait...
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Old 01-02-2010, 05:52 PM   #6
BOXRPWR
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If somebody knows the exact make/PN of this "harness" needed, I would really appreciate it.
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Old 01-03-2010, 02:03 AM   #7
SVXdc
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Quote:
What else do I need to install an aftermarket head unit into a 2010 STI?
This information applies to most 2008-up Imprezas and 2009-up Foresters:

Quote:
Dash kit:

Applicable to 2008-2011 Impreza/WRX/STI/OBS, also 2012-2013 WRX & STI (not 2012-up Impreza), 2009-2013 Forester
  • Metra 95-8902:
  • Metra 99-8902:
    Metra single-DIN kit. Unlike the Scosche double-DIN part, the small pocket on this one is not removable.

  • Scosche SU2027 (includes 1-DIN pocket that you may optionally install):
  • JDM replacement fascia/bezel ("A/V panel"):
    JapanParts.com P/N 317-008-028 (Subaru Part No. H0017FG907, not available directly from Subaru outside of Japan)

    ADDED: There are 3 different colors: AVO JDM P/Ns:
    • 6065FG020 "Silver"
    • 6065FG000 "Lighter Silver"
    • 66065SC030 "Two Tone"
    (note 1st and 2nd items, "silver" and "lighter silver," show the same picture link)

    ADDED: See pictures of the different colors here

    NEW: 66065SC130 two-tone silver/black is now available as a USDM and CDM part! Pictures here.
    List of mail-order discount Subaru parts vendors here.

NEW for 2012-up Impreza (not WRX or STI), 2012-up Crosstrek, and 2014 Forester (all which have a new dash design). See this thread.

New dash kits:
  • : Scosche SU2029B (includes 1-DIN pocket that you may optionally install):

    Click link to see additional pictures, including one with pocket installed
    .
  • : Metra 95-8905B (2-DIN opening, no pocket):

    95-8905B
  • : Metra 99-8905B (2-DIN opening and includes 1-DIN pocket that you may optionally install):

    99-8905B


All of those provide a true double-DIN sized (7x4") opening instead of the factory non-standard size (8" wide). The Metra and Scosche kits have a "frame" that fills the gaps in the factory fascia, plus new plastic mounting brackets. The JDM panel replaces your factory fascia with one that has a smaller opening (and you re-use your car's metal radio mounting brackets).

Tip: Since you still use your OEM brackets with the JDM fascia, you can go ahead with your install and swap out the fascia when you receive the new one (without having to remove your HU again).


Wiring Harness (for power and speaker connections):

Applicable to most* 2008-2012 Impreza/WRX/STI and 2009-2012 Forester
  • Metra 70-7552
  • Scosche NN04B
  • American International NWH-704
  • Best Kits BHA7552
(all originally intended for newer Nissans, which have a very similar factory radio harness).

See the pin-out here (post #11 in my 'Stock HU FAQ' thread).

If you're planning to retain your audio steering wheel controls (SWCs), none of those harnesses include the SWC wires. See the notes in my pin-out and my homepage for a harness with the SWC wires. Beware: Many of the cheaper ones (and even old Metra stock) may also be missing the ground, illumination, and power antenna wires.

If your Impreza or Forester doesn't have the audio SWCs, it's not too difficult to add them. See links here.

Quote:
* Impreza and Forester models that have one of the various Subaru OEM navigation HU models use different harnesses.

The Kenwood OEM Navi...
still uses the same 14-pin radio power/speaker harness used in earlier years. Models with the Tom-Tom navi also use that harness.

If your car has the OEM Kenwood or Tom-Tom Navi and you want to upgrade to an aftermarket HU, I can put together harnesses to connect to the factory 14- and 24-pin plugs (so you won't have to splice into any factory wires). E-mail me for details (not PM -- see my profile).

Models with the new OEM nav (with the SD-card slot) use completely different harnesses. See this thread.


Antenna adapter:

Many recent Subaru models now have Subaru's proprietary antenna plug. To install an aftermarket HU (nearly all of which have a socket for the older-style Motorola plug), you may need a Subaru antenna adapter.

  • Metra 40-SB10
  • Scosche SUAB
  • American International SU-6
  • Best Kits BAA26

Note: There is a similar-looking adapter for Nissans (with a gray rectangular plastic shell) which will not work in Subarus! Although at first glance they look the same, the Nissan plug is wider and has different keys.

Important: Do not pull the small coax wires. These connectors are somewhat fragile, and many people have accidentally ripped the wires out of the connectors. Only hold the gray plastic shells. The car's antenna plug has a release button on one of the narrow sides.

Often, you can Google your OEM HU's model number to see a picture of the back (so you can tell which kind of antenna socket it has). Otherwise you'll have to look behind your factory radio to determine whether you need an antenna adapter. Your car may already have an OEM antenna adapter that converts to a Motorola plug.

See this thread I compiled for guides to removing your radio:
Stock head unit information -- pin-outs, subwoofer, aux inputs, and more


Other issues (2011 and later):

See this post for info on USB, Bluetooth microphone, and more.

Last edited by SVXdc; 05-30-2013 at 05:06 AM.
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Old 01-03-2010, 02:49 PM   #8
BOXRPWR
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Pearl Wht w/Gold XXR 518s

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^^^^^^^^
THANK YOU!

follow-up even dumber question: I assume that I just need one of each (two different brands to select from) ?
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Old 01-03-2010, 08:16 PM   #9
SVXdc
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Yes. "Pick one from column 'A' and one from column 'B' "

3 different brands/choices in each 'column'.
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Old 02-05-2010, 01:47 AM   #10
SVXdc
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Here are the installation instructions (using my harnesses/adapters with the Kenwood DNX5140 into a 2010 STI):
Quote:
Stock HU Removal

See links to OEM HU removal instructions in this thread:
Stock head unit information -- pin-outs, subwoofer, aux inputs, and more
2010 STI is the same as 2008-2009 Impreza and 2009 Forester.

If you live somewhere cold, heat up the interior of your car before pulling on plastic dash pieces. Remember to open your garage door while you run the engine (or go out to the store and back).

The new Impreza/Forester fascia does have pry slots on the bottom, and can be removed without removing the long "ribbon" trim piece first. People have used plastic dash removal tools, a credit card, a plastic spatula, or even bare hands to gently pry off the panel. If you're overly cautious, apply a few layers of removable masking tape on the surrounding panels. See this post.


Connecting 20-pin harness to Kenwood's harness

The pin-out table for the 20-pin "into car" (AKA "forward") harness is here.

The "EIA Color" column shows the wires on the 20-pin harness. Connect to the harness that comes with your Kenwood. Although the colors should match, use your head unit's manual to verify the function of each wire.

Watch out for wires with stripes -- the stripes are narrow and easy to miss. It helps to work in bright light (daylight, even!).

On my harness (as well as the Nissan harnesses from the other manufacturers), the Blue/White wire at pin 9 powers the Subaru's antenna booster amp. Connect that wire to the Kenwood's Blue "power antenna" wire.

Connect the Orange wire (pin 1, Illumination +) on my Subaru harness to the Kenwood's dimmer wire (Orange/White on the HU's harness).

The two SWC wires on my harness are Brown/Red (plus) and Brown/Black (minus).

Be sure to insulate the ends of any wires you don't use (on both the 20-pin harness and the Kenwood's).

Test the HU before installing in the dash.


SWI Module

The latest SWI-JACK instruction manual is available here (click on the "Technical Docs" tab).

Also see the link there for the latest vehicle-specific instructions. At the moment, they don't have a listing for 2010 STI. Use "Impreza WRX 2008-2009".

Cliffs notes version of SWI wiring instructions:
  • Ignore where PAC's instructions talk about connecting to the car's factory radio harness. PAC uses Nissan's numbering scheme, and refers to the factory wire colors (because nobody else's installation harness includes the SWC wires).
  • Connect the SWI module's power and ground (Red and Black wires) along with your HU's and those wires on the 20-pin harness.
  • Connect the SWI's White wire to my SWC + (Brown/Red, pin 4)
  • Connect my SWC (minus) wire (Brown/Black, pin 14) to the other ground wires.
  • Do not cut either of the SWI module's loop wires.
  • Kenwoods have a plain wire for their SWC input (instead of a 3.5mm jack found on other brands). Connect the SWI module's Blue/Yellow output wire to the Kenwood's Light Blue/Yellow "Steering remote control input" wire. Insulate the end of the SWI's 3.5mm plug.

When you program the SWI and get to the step where it will "learn" your car's steering wheel buttons, crank the engine. Where the instructions say to press an SWC button, keep holding the button firmly for an extra moment after you get the confirmation from the SWI's LED.

Kenwoods have up to 10 remote functions, but your car only has 6 audio buttons. You can assign each of the car's buttons to any one of the HU's functions. For example, you could assign your wheel's Volume Up button to do the HU's "Disc Up" function, if you felt like it.


GPS Antenna

The GPS antenna can be mounted under the dash, above the radio -- the plastic is thin and the signals pass through easily. The factory location is above the instrument cluster.


Aux Input

Connect your car's 8-pin aux harness to my aux adapter. Connect the 3.5mm plug to the DNX5140's rear "Audio Input" jack. That will connect your center console 3.5mm jack to the HU's aux input.


USB Jack

If you want to extend the Kenwood's USB connector to your center console, see Subaru's instructions for their iPod or Media Hub kits to see how to run the cable from the HU to the center console.
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Old 02-05-2010, 11:34 AM   #11
BOXRPWR
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Pearl Wht w/Gold XXR 518s

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I cannot thank you enough David for overwhelmingly GREAT assistence and customer support.

Nobody better than a true enthusiast to get great advice from. Cheers, my friend.
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Old 01-12-2012, 02:37 PM   #12
iBlueVirus
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Default OEM Dash Kit

.....

Last edited by iBlueVirus; 03-18-2012 at 09:51 PM.
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Old 04-17-2012, 08:42 PM   #13
joen270
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Quote:
Originally Posted by SVXdc View Post
This information applies to most 2008-up Imprezas and 2009-up Foresters:

Which is better the Metra 99-xx or 95-xx

I have a 2010 WRX
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Old 04-17-2012, 08:51 PM   #14
GFB
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Thou shalt call up Crutchfield.com and tell them what car you have, what head unit you have, and give them your payment info and address.

All will be right in simple headunit installation land.
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Old 11-05-2013, 04:51 PM   #15
crazy mikey
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So it looks like we can now order the part directly from subaru. I got mine for 62 bucks after tax.


pic of proof
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Old 11-08-2013, 02:53 PM   #16
phenryiv1
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Quote:
Originally Posted by crazy mikey View Post
So it looks like we can now order the part directly from subaru. I got mine for 62 bucks after tax.


pic of proof
Old news, but thanks for the post.
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