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Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty . Send to Rockford Fosgate for repair
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Check you inputs to verify you have a signal coming in, if signal then check outputs try a speaker that you know is working and plug it in if that speaker plays then the subs/ or speaker wiring is bad, if it doens't play then you probably have a blown output transistor on the amp or possibly a terminal ground/positive has come loose on the inside..
un hook the subs and let the amp sit there on if the protect light shuts off you wired your subs wrong if it doesnt go off tun it off then back on with no sub music all the way down then slowly turn the music up if the light is off then comes on you need new rcas
It sounds like you've got a short to ground in either your power line or internally in your amp. Either that or the fuse on your amp (usually right on the side) might be blown. Check your power line and make sure that your amp isn't screwed directly to any metal parts of your car, as some amps will short like this. If there's nothing wrong with the power line, send it in for warranty or bring it to your local audio store to have them check it. If you feel comfortable with trying to fix it yourself, then take it apart but be advised that internal screws usually have a glued spot so they can tell if you've disassembled it.
Not protection light
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