Question about Alpine PDX-1.1000 1000W x 1 Car Amplifier Car Audio Amplifier

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Amp problems my alpine amp just cut out one day and never turned back on, i found that the positive wire goin from the battery to the amp was split because of my hood hing. i bought a new wireing kit but the amp still wont turn on. i checked all the wires and everythign appears to be hooked up right. i also just to make sure my alpine amp wasnt blown i hooked up my 800w kenwood amp and that wouldnt turn on either. if you could help me witht hsi i would really appreciate it

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The main thing that comes to mind is whether you've checked the in-line fuse on the positive wire. Most amp installations are supposed to have a fuse within 1ft of the battery terminal for just such a reason. Next, if you have a voltmeter of some kind (or know someone who does), check to see if you still have 11VDC-14VDC at the power terminals of the amp. If you do, then check the remote turn-on lead (which is supposed to connect to either your head unit or the ignition). If my memory serves, the remote wire should be high (about 12V) when the amp is being told to turn on and low (less than 2V) when it's being told to turn off.

Posted on Jul 29, 2008

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SOURCE: car amp wont turn on

I'll assume that you've checked the amplifier's on-board fuses.

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.

Posted on Jul 29, 2008

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Hello Willb2396,

Actually you answered your own question in your paragraph. I draw your attention to your statement of:
"It will work for as long as I'm driving I will park my car, and when I turn it back on every thing will be working just fine and, then a couple minutes later, amp cuts out and won't hit for a couple hours or a couple days.... I have checked the sub multiple times and I don't see it being the sub or the amp"

You are correct it is neither the Sub nor the Amp. The problem is either your voltage regulator or your alternator. one and or the other is going bad.

Here is some advice check your ground wires, the buy a dual alternator kit, it contains the parts you will need to add an additional alternator to your car. This will provide the power you need.

I hope this helps,

Thank you,

Shuttle83

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I'll assume that you've checked the amplifier's on-board fuses.

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.

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