Typically in cars, yellow = +12v line (i.e. a line to the battery) and black = ground (i.e. a line connected to the car's frame).
No battery connection normally leads to a lack of power, so that could easily be the biggest of your problems.
im trying to install a stereo for my sister i bought the harness i connected all the wires correctly but im getting no power and theres 2 wires coming out of the car that i have no idea what to do with them its a yellow and a black wire wrapped in tape yea i know im stupid but i have no money to take it to someone anone plz help![]()
Typically in cars, yellow = +12v line (i.e. a line to the battery) and black = ground (i.e. a line connected to the car's frame).
No battery connection normally leads to a lack of power, so that could easily be the biggest of your problems.
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