Replacing factory radio?

2007 NISSAN MAXIMA
240,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC
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DUWHOP31
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I'm trying to put my10in Eonon media player in my car listed above with Navigation and steering wheel controls. I got a Metra wiring harness for an 2007 Maxima but my question is, there are 4 wire connections on the back of my factory Nissan 6-disc stereo, what are each of them used for and do i need to have them all plugged with more wiring harnesses because the one i got just has one white connector and a smaller grey one for the antenna/amp?
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Nov 4, 2022 at 12:01 PM
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JACOBANDNICKOLAS
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Hi,

By any chance, do you know if your OEM radio was a base radio? The options seem to be basic and then with or without navigation.

Let me know. I have wiring schematics, but you will likely need to identify wire colors in the different harnesses. The connector views aren't the greatest.

Let me know and I'll try my best to help.

Joe
Nov 4, 2022 at 9:43 PM
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DUWHOP31
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Here is a better picture:
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Nov 7, 2022 at 3:57 PM
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JACOBANDNICKOLAS
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Hi,

I believe that is the basic system. As far as connectors are concerned, you need to identify wire colors. To make your new system work, it needs a power supply, the antenna connected, and speakers connected.

If you look below, I attached the wiring schematic for the basic unit.

I hope this helps.

Joe

See pic below. Also, if you upload a pic of the wiring schematic for the new system and connector, I should be able which wires to focus on. The one problem I see is that the schematic indicates NCA on several of the wires which means no color available.
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Nov 7, 2022 at 7:13 PM