sport trac amp installation

[vickersl]

im tryin to install a amp to a 2001 explorer sport trac factory head unit, but i dont know which wire is the remote turn on, can anyone help me?

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[DirtySchemer 10+ year member]

does your cigarette lighter only work when the vehicle's on? If so, tap into that wire. Or just get a test light, they're pretty cheap and get do a lot of trouble shooting easy.