Backup Camera on Nissan Altima 2014

[asfazrq]

Hello friends,

Can anyone tell me which wire (by way of color) is +ve and -ve on the backup light. I need to hookup a backup camera and don't have a multimeter. Your help is really appreciated.

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[Zogg]

The positive wire will always have power and the negative is typically black....

 

[asfazrq]

Green = Ground / Common Wire

Red/Grey = Live / Hot / Positive Wire

Tested and check today!