Question about Kenwood KAC-9152D Car Audio Amplifier

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Kac - 929 kenwood 1000 watt amp

My subs turn on, turn off, turn on, turn off, while driving. The power is on, but it cuts out randomly. Any advice?

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  • john wasson
    john wasson May 11, 2010

    hmm is it cutting off? or is the audio just cutting out?

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  • 68 Answers

Does it do it when car is not moving? If it does'nt then it is a bad connection in the amp itself or outside the amp. Check all your external connection well, it is easy to pass a bad connection up without knowing it. I recomend checking every connection, redoing the connections. Then you can rule that out and may find the problem. If connections don't fix problem let me know i'll be glad to help. I have my own amp repair business and people send me there amps from all over the U.S. Just send me a message and
I'll take you thru some steps to diagnose the amp if problem persists after connection checks. Good luck, hope to hear from you!

Posted on Aug 02, 2009

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Cold solder or lose connection in the amplfiier, or a poor connection with the wiring. The vibration of the movement of the car is causing the intermittants.

Jerry G.

Posted on May 01, 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,

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1 Answer

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