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Old 03-16-2006, 11:33 PM   #1
Scooby Newbie
Member#: 109248
Join Date: Mar 2006
Default wiring diagram?/color of acc wire for radio

in a 2003 impreza TS, what is the color of the accesory wire for the radio. I am installing an fm modulator for an mp3 player and don't have any wiring diagrams.

also, does anyone know how the radio bezel comes off, is it just held on with clips? thanks
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Last edited by boardCrazy; 03-17-2006 at 12:11 AM.
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Old 03-17-2006, 01:11 AM   #2
Scooby Specialist
Member#: 34154
Join Date: Mar 2003
Chapter/Region: South East
Location: DIRTY SOUF
1/2 jew crew


should be red. red is acc/switched, yellow is constant, and black is ground. i dont think it changes for any car or audio manufacturer
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Old 03-17-2006, 11:49 AM   #3
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Member#: 82719
Join Date: Mar 2005
Chapter/Region: SCIC
Location: San Jacinto, CA
2004 PSM STi


If your bezel is mounted anything like the one on my 04 STi (actually the climate control panel), then yes it is just held on with clips. I just use a common screwdriver and wedge the top part of it out first, then pry the rest of it out by hand from there.
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Old 03-17-2006, 05:53 PM   #4
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Member#: 10309
Join Date: Sep 2001
Chapter/Region: NWIC
Location: Seattle, WA
'02 OBS 2-tone!
'95 Montego Miata


bC, check out the forum sticky for links to OEM connector wiring diagrams.
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Old 03-18-2006, 09:26 PM   #5
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Member#: 25837
Join Date: Oct 2002
Chapter/Region: South East
Location: Atlanta, GA
1996 SVX L AWD
Laguna Blue Pearl


Originally Posted by iownaspec
should be red. red is acc/switched, yellow is constant, and black is ground. i dont think it changes for any car or audio manufacturer
Those colors apply only if using an after-market wiring adapter (which I strongly recommend). If tapping directly into the car's harness, the colors vary depending on model and year.

See this pin-out for the Impreza/WRX radio connector, with wire colors

The first link in this sticky thread FAQ and Threads of Note- Read me first! will lead you to the above pin-out (in case you need to find it in the future). It also has information on opening the dash and removing the radio.
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Old 04-12-2008, 01:32 PM   #6
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Member#: 177295
Join Date: Apr 2008
Location: Indy
2005 "Saabaru" 9-2x


My 2005 Saabaru 9 2x HU will only produce audio in ACC. Any ideas?

(sorry about all the posts, but I'm new and didn't know where to get my 3 replys before I could post a new topic)

Last edited by deanarammalamma; 04-12-2008 at 09:52 PM.
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