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Old 06-06-2020, 12:57 PM   #430
brettjson
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Member#: 490337
Join Date: Aug 2018
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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.
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