Quote:
Originally Posted by sharpsicle
Approach this as two separate things. To get the factory port to work, ignore the hub. It only creates noise and confusion to your testing.
That being said, you may have a faulty USB adapter cable if your factory port never works for data, but you get a good connection when you plug directly into the new headunit. Run that down first.
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I think it must be the retention cable since even bypassing the hub doesn't work. I ordered a different four pin cable today that is supposed to work in a forester. The old cable should have worked in the brz but given that the factory harness was more like the forester than the brz I'll try that one. I think its because my brz has a harmon kardin unit. Thank you for your guidance.