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Old 12-23-2018, 04:43 PM   #1
dneustifter21
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Member#: 461762
Join Date: Jan 2017
Default 2019 WRX Radio Wiring Diagram.

I have a 2019 WRX Premium WITHOUT the starlink telematics etc. I have the 7 inch screen with Apple CarPlay etc. and no navigation. Iím attempting to run an amp to my door speakers and a sub. I pulled a door panel trying to see if the speaker wires corresponded to anything in the dash and nothing matched. Iím looking for any knowledge or any help for wiring diagrams to be able to determine what wires go where in order to run the wires for my amp.
any info or help would be greatly appreciated.
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Old 06-13-2019, 01:06 PM   #2
SpeedDevil
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Member#: 503203
Join Date: Jun 2019
News Any Update?

Do anyone has any update on this. I need the color code for all speakers and ACC+ for remote signal.
Any Help is appreciated. I have a 19' WRX Base.
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Old 06-17-2019, 07:24 PM   #3
corlon
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Default

could only find 2018 info. if you need any uploaded larger let me know.

https://i.imgur.com/pX5VLAv.png
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Old 06-25-2020, 11:53 PM   #4
1mkfang
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Join Date: May 2020
Default Subwoofer wiring solution

Hey!
Here's a potential solution for the wiring diagram issue (refer to video below). I just finished a subwoofer install for a 2019 wrx. If you can't seem to find the wires in the backside of the head unit, it might be easier to just bypass that all together and just go directly from the doors.

It took me only around 20 mins to get both doors wired through for a connection (taking the door apart and all!) let me know if you get stuck/need any help! Thanks.

Video:
https://youtu.be/KcfCw5AvFzM
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Old 07-01-2020, 09:22 PM   #5
fullah
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Great video! I basically did what you show in the video minus soldering the wires. I bought my speakers from cruthfield and they included the wiring harness that plugs to the OEM wiring so made it even easier. Definitely can run new wires in about 45 minutes to an hour all four corners if it's your first time doing it.
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Old 07-05-2020, 11:51 PM   #6
Forgetet
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Join Date: Jul 2020
Default Remote turn on

I am going to instal an audio control Lc7i and was wondering how I would get to the remote turn in with this method without removing the factory head unit? Also is there room to run both the loc wires and the new speaker wires through that door jam hose?


Quote:
Originally Posted by 1mkfang View Post
Hey!
Here's a potential solution for the wiring diagram issue (refer to video below). I just finished a subwoofer install for a 2019 wrx. If you can't seem to find the wires in the backside of the head unit, it might be easier to just bypass that all together and just go directly from the doors.

It took me only around 20 mins to get both doors wired through for a connection (taking the door apart and all!) let me know if you get stuck/need any help! Thanks.

Video:
https://youtu.be/KcfCw5AvFzM
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Old 01-04-2021, 12:20 PM   #7
bowhun2r
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Member#: 410362
Join Date: Jan 2015
Chapter/Region: Tri-State
Location: Steeler Nation
Vehicle:
20 STi Ltd
lapis blue

Default

Quote:
Originally Posted by 1mkfang View Post
Hey!
Here's a potential solution for the wiring diagram issue (refer to video below). I just finished a subwoofer install for a 2019 wrx. If you can't seem to find the wires in the backside of the head unit, it might be easier to just bypass that all together and just go directly from the doors.

It took me only around 20 mins to get both doors wired through for a connection (taking the door apart and all!) let me know if you get stuck/need any help! Thanks.

Video:
https://youtu.be/KcfCw5AvFzM
Thank you sir! Was just starting my STi audio upgrade and I was wondering how much a PITA running new speaker wire was going to be. This is not even close to my previous Tundra where you had to drill a hole through the B pillar plastic adapter (that was fun...).
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