I purchased 2 12's that I know are working (tested in friend's car). I have a Rockford Fosgate Amp along with a Rockford Fosgate 4 gauge amp wire kit. The amp is a P5002. Neither the amp nor the 100 amp kit came with a cable to connect to the power antenna or radio control. I hooked everything up as it should have been but there is no power to the amp. Should I be getting power because of the connection to the battery? A freidn stated that I will not get anything out of the amp until the power cable is attached to the radio or power antenna. Please help...Thanks...
The blue wire from the radio unit is a control to other devices, and is to be used as this. The "control" input to the amp -blue wire, must be hooked to this to work. alternately it can be hooked to car 12v through a switch,, but the antenna/control wire from the radio is much better and cleaner. There is no current to speak of so a small wire can be used,, 16 gauge is fine, as would be 18. Single wire is all you need. The wire from the radio goes to +12V when the radio is turned on, that's how it works.
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