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Old 04-10-2005, 02:31 AM   #1
Scooby Specialist
Member#: 25837
Join Date: Oct 2002
Chapter/Region: South East
Location: Atlanta, GA
1996 SVX L AWD
Laguna Blue Pearl

Arrow Stock head unit information -- pin-outs, subwoofer, aux inputs, and more

This thread answers some FAQs about the stock radio. I've consolidated information spread throughout many other threads and other forums.

Do not post questions or replies here!

Please post replies in this other thread:
Discussion/questions/updates about "Stock head unit information..." FAQ thread
(Better yet, take a few minutes searching the forums and you'll likely find an existing thread that answers your question)

Index to this thread

Post # . Topic
  1. Stock head unit removal
  2. Speaker/power connector
  3. Antenna connector
  4. Subwoofer (powered, under-seat style)
  5. Subwoofer jack (new style)
  6. CD Changer Input Jacks, Aux-input adapters
  7. (reshuffling posts)
  8. (reshuffling posts)
  9. (reshuffling posts)
  10. Real aux-input on 2007s
  11. 2008-up Non-Navi speaker/power connector / 2008-2011 OEM Kenwood Navi HU
  12. Subaru McIntosh Premium Audio System

Note: Many of the pictures are thumbnails -- click on them to see the full-sized image.

First, how to remove your radio:

TIP #1: Remember to eject all of your CDs before you remove your radio!
TIP #2: Many people have found that the screws holding the mounting brackets on the sides of the radio were extremely tight and stripped the heads while trying to remove them. If yours don't turn easily, make sure you use a screwdriver that is exactly the right size for the screw. Keep it forcefully pushed into the screw head until you get it unseized.
For newer models/years and those not specifically listed here:
Subaru's web site has free documents for installing accessories. The ones for satellite radio receivers, subwoofers, and iPod Interfaces include the procedure to remove and re-install the stock HU. Find one that covers your model and year. Link: Subaru Technical Information System (choose Publication Type "Accessory Installation Guide")

For information about OEM head units, you can download Subaru's owner's manuals free here:
Manuals for OEM navigation HUs are supplements (separate from) the normal manuals for the car. After you've searched for the manuals for your year and model, scroll down to see the supplements listed below those.

2012-2014 Impreza (not WRX or STi) -- new dash design (same as 2012-up Crosstrek)
2012 Impreza stereo replacement

2012 2.0i Impreza factory Sat install

Pioneer AVH-2400BT install on my 2013 Impreza Sport Premium
2012-up Impreza Fujitsu Ten nav HU
2012 STI Stereo Build with OEM NAV H/U
2011-2014 WRX & STi (same as 2011 Impreza, 2011-2013 Forester)
DIY: 2013 Sedan Aftermarket Headunit install

Pioneer AVH-X5500BHS Installed in 2011 WRX

Install Log: 2011 5DR [WRX]

Pioneer AVH-P4400BH installed in 2012 WRX

Install Parrot Asteroid Smart + UNIKA in 2011 WRX
2008-2010 Impreza / WRX / STi:
The 1st comprehensive 2008 impreza dash & radio removal guide. Great pictures.
2006-2007 Impreza / WRX / STi:
How-to install a stereo in a 2006 Impreza W/ PICS

WRX center console STi Limited install

Pioneer AVIC- Z140BH install w/ backup camera/ xm on 2007 sti
2005 Impreza / WRX / STi:
How to Install and Remove stereo 2005 Impreza / WRX

2005 WRX WGN + iPod? (pictures)

How To: Remove Stock Radio MY05 on
2002-2004 Impreza / WRX / STi:
Great pictures: "A how to guide for changing the HVAC and Radio to RED!"

Nice diagram showing where the clips are: "Mod: New age WRX removal & install center panel & radio panel"

Subaru subwoofer installation guide for 2002 Impreza (PDF file on Shows how to open the dash and remove the factory radio).
1993-2001 Impreza (GC8):
"Head Unit Replacement" on
2007 Forester:
Stereo Removal Tutorial (w/ manual A/C controls) on

Bobby's WRB '07 FSXT (Audio Upgrade - Part 4) (w/ auto A/C controls) on
2005 Forester:
How To: Install JVC KR-XW610 head unit in a 2005 Subaru Forester - Parts 1&2 (great pictures, including disconnecting manual A/C control rods)
2003 Forester:
CD Changer installation guide (PDF file on Shows how to open the dash and remove the factory radio).
Thread 2003+ stereo info by Peaty on ScoobyMods. Nice pictures starting in post #3.
Subaru Forester MY03 Audio Installation by "Rob" on
2010-2011 Legacy & Outback:
Subaru navigation system -- tips, tricks, lockout override

Install: Navigation, back up camera and poor man's lo jack GPS tracker. [2011 Legacy]
2005-2009 Legacy & Outback:
SuperMoose's Audio Install **Picture Heavy** 2008 Legacy (& Outback)[on]

Official dual HVAC Double Din (JDM) Kit thread! (install aftermarket HU in place of OEM combined HU w/ dual-zone HVAC controls in 2005-2009 "Generation IV" Legacy/Outback models)
2000-2004 Legacy & Outback:
Help: Replacing stereo on a 02 legacy wagon on
2001 Outback [& Legacy]:
Adding a real stereo to your Subaru Outback
1997 Legacy Outback:
Legacy Outback 97 Head Unit Installation
2008 Tribeca:
2008 Tribeca D.I.Y. Parrot / Bluetooth Install Guide
SVX (all years):
SVX Audio Installation Guide

OEM HU Accessories:
Sirius satellite radio tuner kit into 2011 WRX

New 2011 11" Trunk Mounted Subwoofer

Factory Kicker Subwoofer Help (great pictures of the insides, and part number for replacement harness)

Subaru underseat sub installation Pictures included (2005 Saab 9-2x Aero -- like Impreza)

2005 Legacy Sub Installed Yesterday (Pictures)...

Other useful threads:
Speed Pulse [VSS], Reverse, Parking Brake Wires

Hidden menu for 2011+ "premium" head unit? (improve the nasty default EQ on several recent OEM models)

How To: Improve Stock Subaru WRX/STI Stereo Radio Clarion CZ624u1 (improve the nasty default EQ. Also applies to Forester CP625U1)

New OEM Radio Installed into MY11 WRX: Source MY11 Forester (transplant Forester CP635U1 with 4.3" screen)

2012+ OEM Fujitsu Ten Navigation HU to Non-Nav WRX transplant!

2012 WRX backup camera Fujitsu nav install details
Do you know of another good HU install guide? Please let me know! Either use the 'Send email to SVXdc' link (click on my username), or post a reply to the parallel 'questions/updates' thread.

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Last edited by SVXdc; 03-09-2014 at 01:56 AM.
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