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Old 08-29-2020, 04:20 PM   #476
silvergc
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A lot of progress since I have been on here. I on the other hand have not made any progress since my last post. To be honest I kind of gave up but with protivakid last post the interset has been tickled.
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Old 08-31-2020, 08:37 AM   #477
protivakid
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Join Date: Nov 2010
Location: MA
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2001 Legacy
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Quote:
Originally Posted by silvergc View Post
Yes. Please pm me the details.

Thank you
PM Sent. Let us know how it goes!

I am thinking all that is needed is a short adapter between the existing 2015-2018 style connectors in the trunk, and the 2019-2020 connectors on the new version of the amp. BTW the 2019 & 2020 AMP is the same part number despite the 19/20 radios having unique numbers.

From there the only other thing that looks different is that 12-pin single blue wire door plug on the back of the 2019+ HU. It's optional, the radio itself will turn off after 3 minutes without it, but what it does is connect to the door switch to turn the radio off as soon as the door opens. If your radio didn't come with pigtails autoharnesshouse.com does have this connector but it's a bit pricey at $42.

I'll be building everything to try on my 2016 WRX in the next couple weeks, I will report back after with full details and if all is well don't mind building you a harness for pretty much cost.
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Old 09-13-2020, 05:30 PM   #478
protivakid
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Location: MA
Vehicle:
2001 Legacy
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Quote:
Originally Posted by brettjson View Post
Well, after living with the 2019 Phone headunit for awhile, I ended up going back aftermarket (https://www.pioneerelectronics.com/P.../DMH-WT7600NEX).

It was working fine, but in the end I missed wireless carplay and a bigger floating screen.

That being said, I am willing to sell all of my OEM equipment. I have a 2019 Phone headunit, 2.1 A USB module, steering wheel controls (new), AXXESS TYTO, as well as my custom wiring harness. I will try to post some pictures in the next few days if anyone is interested. Thanks for all amazing work the group did to sort this out.
PayPal sent last weekend. When you can PM me with a tracking#. Thanks!
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Old 09-13-2020, 08:23 PM   #479
brettjson
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PM sent. It shipped on Wednesday. Sorry, I updated the PayPal transaction with the tracking number and it said it would email it to you.
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Old 09-15-2020, 11:27 PM   #480
Luishuerta40
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Join Date: Sep 2020
Default How do I make this harness?

Quote:
Originally Posted by brettjson View Post
I wired the harness and installed the headunit and it seems to be working.

This is my setup:
2016 WRX with OEM HK/NAV
New HU: 2019 "PHONE" headunit (nomn-hk/nav)
Axxess TYTO-2
Custom harness from Autoharnesshouse
2019 USB hub

Working:
- Audio (front, rear, fade, balance)
- Radio, XM, Bluetooth
- Apple Carplay
- Bright signal (dims with headlights)
- OTA firmware update
- Radio turns on and off with car turning on and off
- OEM microphone
- Back-up cam (however does not have lines)
- Steering wheel controls*
*I have not yet installed the 2019 steering wheel buttons, but the current buttons work but just do the wrong thing, so I am assuming there will not be an issue here

Not tested:
- Android Auto (don't have android phone)
- Speed responsive volume

Not working/issue/caveat:
- the dimmer dial does not change the display brightness, the headlights on and off work for dimming the screen, but the fine tune adjustments doesn't work, but you can adjust it in the software, so no big deal
- you will lose OEM nav
- when the radio is on but muted there is a very slight hum from speakers, I did not notice this wth the engine on, I only noticed it when the engine off in the garage, so I do not think it will be noticeable while driving
- i have a 2016 which was pre-telematics module, I do not know how that would work with this

Installation notes:
- overall pretty easy
- had to soldier/crimp wires from the Axxess harness to the harness from Brian
- no splicing on the car, easily can return to 100% stock

I will report back after testing it for a week or so and see if any issues pop up. As far as detailed instructions, let me know if anyone is interested and I can go into more detail on how to make the harness.
How do I make this harness
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Old 09-16-2020, 08:19 AM   #481
Mreng
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Join Date: Sep 2020
Default Early 2015 H/U upgrade to 2018

Quote:
Originally Posted by protivakid View Post
Thanks, I mostly wanted to dump all the info while it was still fresh in my brain in the hopes of helping someone else.

Correct, no 2013-2017 Crosstrek came with an Amp so I had to do more work in order to add that as well. This now got me itching to try the same swap in my 2016 WRX. For that car though I wouldn't have to build the sender / receiver lines I talked about in my guide. If it was necessary to swap in a 2019 Amp, I'd think the adapter harness would need to be at the Amp end in the trunk.

Using those two sections from the 2018 & 2019 guides I linked a couple months back, the wiring to the amp looks pretty much the same. The only real difference I see is that for the 2018's, the radio sends the speed signal to the amp which I assume controls volume based on speed. On the 2019's however this signal only seems to go to the radio which I assume then tells the 2019 amp to Vol+/- depending on speed. There other minor difference is that the shield ground wire on the 2018 connects to both the radio and the amp, where as on the 2019 it only connects to the radio end.

I can't see either of these leading to the no sound issue when @silvergc tried so I might then assume that you were correct months back that the 2019 Amp is different internally and that perhaps a 2019 Radio cannot properly communicate with a 2018 Amp.
Iím looking to do this upgrade. Can you please advise if you got it done and what was required?
Iíve fitted the later head unit and had no sound but otherwise everything seemed to work.
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Old 09-21-2020, 11:08 AM   #482
thwrightstuff
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Join Date: Jun 2013
Location: CT
Vehicle:
2017 Subaru WRX
World Rally Blue

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What about doing this for a 2017 WRX with the base unit, non-HK? I previously updated mine to the 2016 Forester premium radio so I could have better sound quality output, but now that I have an iPhone, I gotta have the Carplay.
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