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Discussion Starter · #1 · (Edited)
I finally finished wiring an iDataLink Maestro RR to a Pioneer AVH-4200NEX for my 2016 Scion iM. Everything but the backup camera works. I already knew this was gonna happen because it was mentioned on the forum that I would need an AX-TOYCAM3 harness to retain my factory camera.

I purchased this one on ebay:

I have the harness now but I have no idea how to wire it. It comes with a stripped yellow and black wire, and a male and female rca plug (see attached image).

How do I integrate this harness with my idatalink maestro/4200NEX setup?
What do I do about the reverse gear signal, or is it already included in the camera harness?
Do I have to worry about the oem camera voltage?


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