Question about Rockford Fosgate Punch P4004 Car Audio Amplifier

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Blown fuses I have a punch 150 amp for over a year now with no problems. Today it blew the fuse on the power wire at the battery. I've checked the power and ground wire for shorts but none were found. Please help!

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I used to have one of those amps also (nice amp btw) Did you try another fuse of the same size?
Is it blowing fuses everytime you put one in or did it just blow that one fuse ?
Is the conection on the battery solid and clean of corrosion build up? Because that is a good amp and if wired properly shouldnt blow out or anything and so if the speaker is not blown then maybe connection is weak somewhere? I would try disconnecting the speakers from it and try a new fuse and if it does not blow the new fuse than amp is ok? and if it does blow the new fuse right away then there must be a short somewhere in the wire or the amp. then disconnect the fuse again and reconnect the speakers and if the fuse blows with the speakers connected but doesnt blow with them disconnected then you know it is a blown speaker causing the problem.

Just currious but what size fuse do you have connected at the battery?

Posted on Dec 22, 2008

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Posted on Jan 02, 2017

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I have this same problem. You have blown the internal amp. I have had 2 of these do the same thing. There is nothing you can do but report it to infinity and try to get the unit replaced.

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