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Red Wire - Connect to the Reversing light positive feed.
Black Wire - Connect to a negative power supply (Ground/Car Body).
I am trying to install parking assist system on my car but I don't know where to connect the black wire
so what is Ground/car body?
thanks in advance
Posted by: Jibit
connect it to a metal piece that is connected to the frame of the car, where is the wire at?
Posted by: mark0101
Oh nevermind, I found it. I was trying to install backing up sensors on my Continental. The positive and the negative were in the same spot.