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Old 07-09-2017, 01:50 PM   #1
deebo
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Member#: 50082
Join Date: Dec 2003
Location: PA
Vehicle:
02 wrx cobbstage 2
mbp

Default 2011 legacy pioneer hu

I'm trying to install a pioneer head unit in my 2011 legacy and whenever I connect the violet right rear speaker wires I lose sound. If I leave those two violet speaker wires disconnected everything works fine (except the right rear speaker of course)

Any ideas would be appreciated. Thank you!

My legacy is non navigation but has the aux cable option in the arm rest
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Old 07-09-2017, 03:42 PM   #2
SVXdc
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Member#: 25837
Join Date: Oct 2002
Chapter/Region: South East
Location: Atlanta, GA
Vehicle:
1996 SVX L AWD
Laguna Blue Pearl

Default

There must be a short in the car's speaker wires or at the speaker. That's causing your aftermarket Pioneer's amplifier IC to go into "protect" mode (where it shuts off all 4 outputs).

Did you install new speakers? Make any changes to the speaker wiring?

Last edited by SVXdc; 07-09-2017 at 05:45 PM.
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Old 07-09-2017, 04:08 PM   #3
deebo
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Quote:
Originally Posted by SVXdc View Post
There must be a short in the car's speaker wires or at the speaker. Thatt's causing your aftermarket Pioneer's amplifier IC to go into "protect" mode (where it shuts off all 4 outputs).

Did you install new speakers? Make any changes to the speaker wiring?

I haven't done anything to the car other than put in this new head unit and the micro-bypass to allow the kids to watch videos from the back seat. I have the aswc to install still since I disconnected it trying to eliminate possible issues.

Although now that I think about it the reason I got a new HU was because they stock one wasn't working. But that maybe be because that speaker was shorting out like you said. You so smart

Just replacing the affected speaker might not help huh? It might be the wiring to the speaker itself...
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Old 07-09-2017, 05:47 PM   #4
SVXdc
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Member#: 25837
Join Date: Oct 2002
Chapter/Region: South East
Location: Atlanta, GA
Vehicle:
1996 SVX L AWD
Laguna Blue Pearl

Default

First try simply unplugging the factory harness from the offending speaker. If you still have the problem, the fault would be in the wiring somewhere between the HU and speaker.

Has the car had any other collision repairs or mods (not necessarily audio) that could have disturbed the speaker wiring?
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Old 07-09-2017, 06:09 PM   #5
BHOD
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2016 WRX sport, 6MT
crystal BLACK silica

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Quote:
Originally Posted by SVXdc View Post
First try simply unplugging the factory harness from the offending speaker. If you still have the problem, the fault would be in the wiring somewhere between the HU and speaker.

Has the car had any other collision repairs or mods (not necessarily audio) that could have disturbed the speaker wiring?
The chance are pretty high that the short is in the hinge of the door.

He could also double check his speaker in testing his impedance with a simple multimeter... Should be around 4 ohms.
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