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Which wires do I tap for an amp w/ stock headunit?

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Old Sep 28, 2009 | 11:53 AM
  #1  
kwiksilverwrx's Avatar
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Car Info: 2015 WRX Limited (sold 2009 WRX beast)
Which wires do I tap for an amp w/ stock headunit?

So I need a lil help. Im almost finished with the Amp install got all the wires tucked and threaded to the rear.

Only issues is for my 09 WRX I am unsure with wires i need to tap into for antenna power and speaker. Its the base model so I have not oem sub just 4 speakers.

SO questions is....
What color wire is the antenna power for the switch power to the amp
What color wires do I tap for the speakers?

Any help?
Old Sep 29, 2009 | 05:56 PM
  #2  
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Car Info: Audi Q5 aka "the old man wagon"
I vaguely remember when I wired mine, you have brown, brown with white stripe, green and green with white stripe are speaker wires.
As for the remote wire I remember testing a bunch of wires with a voltmeter.
I'll take a look at mine pretty soon and let u know
Old Sep 29, 2009 | 06:37 PM
  #3  
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Jin
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Car Info: 05 CGM STi to be converted to RS
+12 Accessory Yellow/Red
Left Rear Speaker – Red/Black
Left Rear Speaker + White/Red
Left Front Speaker – White/Black
Left Front Speaker + Blue/Orange
Antenna Booster Yellow/Black
Ground Black/Blue
Right Rear Speaker – Red/White
Right Rear Speaker + Gray/Green
Right Front Speaker – Green
Right Front Speaker + Brown/Yellow
+12V Battery (Constant-on) Blue/Red

hook up remote turn on to accessory.
Old Oct 4, 2009 | 01:32 PM
  #4  
kwiksilverwrx's Avatar
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Originally Posted by Jin
+12 Accessory Yellow/Red
Left Rear Speaker – Red/Black
Left Rear Speaker + White/Red
Left Front Speaker – White/Black
Left Front Speaker + Blue/Orange
Antenna Booster Yellow/Black
Ground Black/Blue
Right Rear Speaker – Red/White
Right Rear Speaker + Gray/Green
Right Front Speaker – Green
Right Front Speaker + Brown/Yellow
+12V Battery (Constant-on) Blue/Red

hook up remote turn on to accessory.
I tried the accessory wire which is the antenna amplifier which worked for the radio only. but i hooked it up to the illumination wire which fixed the issue.
Old Oct 7, 2009 | 02:50 PM
  #5  
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Car Info: 05 CGM STi to be converted to RS
Originally Posted by kwiksilverwrx
I tried the accessory wire which is the antenna amplifier which worked for the radio only. but i hooked it up to the illumination wire which fixed the issue.
?? :X

accessory should be triggered with the key turned to "acc" position.
as for illumination, i'm guessing it works because of day time running lights.

whatever works though
Old Oct 12, 2009 | 03:13 PM
  #6  
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ya fail again. Now its making popping noises. Humm. IDK I guess i can try the accesory wire
Old Oct 14, 2009 | 09:47 PM
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tap into an acc/ign wire (u should get 12v when the key is in the "acc" or "on" position) for ur remote rather than the ant wire. ur amp wont turn on b/c it's for tuner. there is no need for the ant if ure listening to a cd...

also maybe turn down ur high/low converter/line output converter a little and also make sure u have a good ground fort amp. wherever ur ground is, did u scrape the paint off to get contact w/ bare metal?
Old Oct 15, 2009 | 12:48 PM
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Originally Posted by BeE_JiZZeLs
tap into an acc/ign wire (u should get 12v when the key is in the "acc" or "on" position) for ur remote rather than the ant wire. ur amp wont turn on b/c it's for tuner. there is no need for the ant if ure listening to a cd...

also maybe turn down ur high/low converter/line output converter a little and also make sure u have a good ground fort amp. wherever ur ground is, did u scrape the paint off to get contact w/ bare metal?
no. that might be why im getting the popping noise i guess
Old Oct 15, 2009 | 01:14 PM
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Ur amp can be/going bad as well... the pop coming just from the sub right? Not all ur door speakers or where u tapped in to the speaker wire?
Old Oct 20, 2009 | 10:29 AM
  #10  
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im tapped into a rear speaker wire and ya its just the sub thats popping. could it also be it needs to be grounded better?
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