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Thread: Over 1500 rpms kill amp? Please Help

  1. #1
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    Over 1500 rpms kill amp? Please Help

    I have installed a punch p400-4. It plays great when the car is at idle. As soon
    as you rev over 1500 rpms the amp cuts off. the blue power light goes dim then
    out. As soon as you go under 1500 rpms it cuts back on. I have checked the power
    going into the amp and the power stays around 16.4 volts even when the amp light
    is off and no sound. The remote power is also 16.4. No other light come on the
    amp.

  2. #2
    It ain't easy being a green moderator meddler's Avatar
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    16.4 volts is extremely high. The max it should be is 14.5v (or there abouts) I would say that your amp is going into protection mode from the voltage being too high.
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  3. #3
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    how do i reduce the volts?

    >

  4. #4
    Variable Bitrate FPeter's Avatar
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    Quote Originally Posted by mrfxst View Post
    >
    go to a service, the voltage regulator of generator died, and this high voltage can kill your whole car electronic!
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  5. #5
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    get an auto electrician to have a look at your car
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  6. #6
    FLAC
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    Ya, when you rev, it causes the alternator to throw more power into the battery, putting more power into the electrical system as far as I know. So the higher power is doing exactly what they said.
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  7. #7
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    Much Thanks!!

    That was it. Needed a new regulator. Thanks Scotty

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