Quote:
Originally Posted by babykwiss
Does this apply just to the Toyotas? I owned an FRS and noticed the sound quality was much better than my current 2018 BRZ. I wonder if this is the same?
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easiest way is to lift the trunk liner and have a look at the small amp in the back. If you see this yellow jumper cable plugged into the 10pin plug rather with the 10pin terminal on the amp open, then you will benefit from this but i'm pretty sure this only affected the toyotas that switched to the harman head unit for the android auto