What Is ANT/AP Used for in a Car? | Decode The Blue Wire Label
ANT/AP is a radio “turn-on” output that sends 12V to raise a powered antenna or switch an external amp on when the head unit runs. If you’ve ever pulled a head unit and found a wire marked ANT/AP, you’re not alone. It’s one of those labels that looks obvious until you’re staring at two blue […]
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