Question about Rockford Fosgate Punch P450.4 60W x 4 Car Amplifier Car Audio Amplifier
I have a P450.4 i have no power. The fusess in the amp are new and i have a fuse near the battery. Is there a rest button on the amp.
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There is no reset button on the amp.
With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low. If both are above 12v, the amp will require servicing.
Posted on Jun 16, 2008
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Posted on Jan 02, 2017
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