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Old 12-31-2017, 02:46 PM   #1
Irishwrx25
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Member#: 479906
Join Date: Dec 2017
Default Speaker Help

Hi all, I have a 2003 wrx with the stock double din headunit. Since I bought the car the audio was awful so I decided to have a look. The front speakers were literally destroyed and needed replacing along with the tweeters. Only one of the rears was plugged in, the other one worked fine once connected. So now I have 2 working rears and no fronts. So I bought some new speakers and connected them up to the existing connectors using some "pigtails". However the driver side is very very faint and the passenger side doesn't work at all.
So I pulled the door cards and checked the voltage. The driver side was getting about 5.8v. The passenger side was getting 0v. I'm a newb with a multimeter so I'm not sure should I resistance or anything else. I checked for any obvious breaks in the protective tape but didn't spot anything.
What should I do now:
remove all the tape and search for a break?
Is it a headunit fault rather than a wiring fault?
Is this why the driver side speaker is very faint?
I attempted to read the voltage from the connector at the back of the radio but had no luck doing that.
Any help would be greatly appreciated.
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Old 01-02-2018, 08:54 PM   #2
dieselssubie
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Member#: 479863
Join Date: Dec 2017
Location: East LA
Vehicle:
2004 WRX Wagon
Rally Blue

Default Re: Speaker Help

Hey there,

I'd recommend connecting a different headunit to see if the voltage returns to the doors, if it doesn't then obviously you have a wiring issue. A wiring issue like that may require a full inspection to check where to re-wire (which I haven't actually done myself).

p.s. I highly recommend a new headunit as the stock double-din is booboo in comparison to even a $100 aftermarket h.u. in sound quality
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Old 10-07-2020, 06:25 PM   #3
tehansweris42
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Member#: 440766
Join Date: Feb 2016
Chapter/Region: South East
Location: Baton Rouge, LA
Vehicle:
2003 WRX Wagon
Silver

Default

I replaced the head unit and all 4 door speakers in my 03 WRX Wagon about 4 years ago. Now, 3 of 4 speakers stopped working suddenly. I replaced the head unit, but still only get sound from one speaker. What could cause 3 speakers to die at once?
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Old 10-11-2020, 10:55 PM   #4
legend069
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Member#: 519314
Join Date: Oct 2020
Location: Australia
Vehicle:
2004 WRX

Default

Quote:
Originally Posted by tehansweris42 View Post
I replaced the head unit and all 4 door speakers in my 03 WRX Wagon about 4 years ago. Now, 3 of 4 speakers stopped working suddenly. I replaced the head unit, but still only get sound from one speaker. What could cause 3 speakers to die at once?



grab your multi-meter and check the continuity from where the headunit wires are to where the wires end up in the door
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Old 11-04-2020, 12:27 AM   #5
Melthemonkey
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Member#: 519491
Join Date: Oct 2020
Default

Quote:
Originally Posted by tehansweris42 View Post
I replaced the head unit and all 4 door speakers in my 03 WRX Wagon about 4 years ago. Now, 3 of 4 speakers stopped working suddenly. I replaced the head unit, but still only get sound from one speaker. What could cause 3 speakers to die at once?
That is a bit strange for that many speakers to spontaneously quit. Do your doors still still have the moisture barriers intact? Grasping at straws but it's possible a good rain or carwash shorted some stuff if your weatherproofing is worn. You could take the working speaker and test at each of the door connections to rule out speakers and point to either wiring or head unit.
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Old 11-06-2020, 10:43 AM   #6
Pupwagn
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Join Date: Nov 2020
Default

Also check the wires that run through the rubber tube from the chassis to the door, if that boot is warn and dirt gets in there over the years that will cause some problems as it will wear away the wires and cause all sorts of issues.
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