Well, basically... the 12v (+) power wire is fused and hooked to the battery and ran to the amplifier, then run an amp turn on wire from you radio its usually blue with a white stripe (if you have an after market radio) then run the rcas from the radio to the amp and finally tap the ground (usually and cleaned bare-metal on your car close to the amp).... if you give me some more info i can help u further... what is the make/model/yr of your car, what radio do you have, amp, sub, speakers, etc....?
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Well, basically... the 12v (+) power wire is fused and hooked to the battery and ran to the amplifier, then run an amp turn on wire from you radio its usually blue with a white stripe (if you have an after market radio) then run the rcas from the radio to the amp and finally tap the ground (usually and cleaned bare-metal on your car close to the amp).... if you give me some more info i can help u further... what is the make/model/yr of your car, what radio do you have, amp, sub, speakers, etc....?