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Old 05-10-2019, 11:55 AM   #5
Scooby Newbie
Member#: 433386
Join Date: Nov 2015
Location: Sulphur, LA
2016 WRX STI
Hyper Blue


Originally Posted by SirBrass View Post
Yes. The diagram from the install instructions off of iDL's website should show that.
You would think, but it's not quite clear. It simply shows AUX and "Audio Cable" going to the head-unit with no clear indication which ports they go in. Other information I found online stated that the "Audio Cable" from the Maestro goes into the AUX port and the Maestro takes control of it to use it for data, so you effectively lose the AUX headphone jack input on the back of the head-unit. This also means that in order to retain my AUX port from the SU2 harness, I'll have to use a 3.5mm female audio jack to male RCA adapter and plug it into the AV inputs on the receiver and use the AV input rather than AUX input for the AUX port in the center console. Look at the diagram:
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