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Old 01-16-2019, 05:57 PM   #1
Scooby Newbie
Member#: 462801
Join Date: Feb 2017
Location: WI
Default Seicane Android Headunit in 2015 STI with Harmon Kardon

Here are some tips for installing a Seicane Head Unit in a 2015 STI with Harmon Kardon. My headunit was a FV629US. I chose the Seicane unit from this link.

Overall not too bad, but after installing I didn't have any audio.

I found that you need to signal the Amp to turn on. To do this you use the blue auto-ant wire from the Seicane harness and tap into the pink wire in the Subaru 10-pin harness.

I also needed to make my own RCA to speaker wire cables to feed a low signal to the speakers.

The RCA side outer wires are the Negative, the inner wire is Positive. Make 100% certain there isnít even a hair of the outside shield that can make contact with the inner wire.

Make sure to solder all connections for reliability.

The kit didnít come with a microphone so I needed to order that separate.

Sound quality is MUCH improved, plus I can now run Waze on the big screen. Iím also hoping the phone call quality will be improved as my stock one was not great.

Pictures here.
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