I need help!
One is constant 12v that never turns off, that is for your head unit memory (stations, clock and such).
One that goes to 12 when the key is turned on, that actuall tells your head unit to come alive.
And one for Ground.
You have to connect all 3 car wires to 3 different head unit wires for it to work properly.
The cars Yellow wire should hook up to the head units red wire.
And last black to black
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The cars Yellow wire should hook up to the head units red wire.
And last black to black
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