Question about Rockford Fosgate Punch P4004 Car Audio Amplifier
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Posted on Jan 02, 2017
SOURCE: rockford amp cut out
Disconnect all speaker wires from the speaker terminals of the amp and disconnect the RCAs. Replace the 30 amp fuse with a 15 amp fuse. If you turn it on and it blows the fuse, it's likely that it has shorted output transistors. If that's the case, you need to have the amp repaired.
Posted on Dec 22, 2007
well if the amp works with the car off and when you start it the fuse blows then you may have alternator issues use a volt meter to check battery voltage is not above 14.5 volts
if the fuse blows when the amp turns on then most likely you have a shorted output section in the amp.
Posted on Mar 18, 2010
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