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Posted on Oct 25, 2007
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Amplifier wont turn on.

My kicker zx1001.1 wont turn on. but when the ground cable is conected the protection light turns on. i know the power is good because if i connect my other amp it turns it on.

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  • Master 631 Answers
  • Posted on Oct 25, 2007
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Joined: Sep 16, 2007
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Generally, when an amplifier goes into protection when you attempt to power it up, it means that the output transistors have failed.

Measure the DC voltage across the B+ and ground terminals as well as across remote and ground. If you have less than 11 volts when the amp tries to power up, the amp could be shutting down due to low voltage.

If the voltage remains near or above 12v, disconnect all speaker wires and signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.

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Related Questions:

2helpful
2answers

I have a kicker 500.2 red protection light is on and red light on top of amp flashes every couple seconds. Have checked all connections and other amp in truck works good. I bought two of these amps and...
Disconnect all the wires except the three main power wires, ground, 12v battery and remote. Now, turn on your radio, if the protect light is still on then there's an internal short in the amp. If the light turns green, then there's a short in either the auxiliary cables or the speaker outs. If it turns green, then troubleshoot the other wires that plug into the amp by connecting them one at a time until the protect light comes on, which will tell you that there's a problem with that speaker/aux wire.
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Jul 25, 2011 • Kicker KX500.2 Car Audio Amplifier
0helpful
1answer

How do you get protection light off and power light on?
their a reason the protection light is on, one check the ground cable, make sure the conection is good and the right gauge next check the power cable make sure theirs no nics on the wire now check the speakers conection ,it seems to me theirs something ground out. thanks
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Sep 29, 2010 • Kicker KX700.5 Car Audio Amplifier
0helpful
1answer

My amp would turn on and off and one time it just stopped working its a powerful amp want to fix plz.help
Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Contact Kicker to have them repair. .A thumbs up would be greatly appreciated if this answer is helpful to you.
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May 20, 2010 • Kicker KX500.2 Car Audio Amplifier
2helpful
1answer

Protection light keeps flashing on and off
try hooking up only the power ground and remote see what happens if protection light is on then u have a problem with amp if it goes off then hook up rca if still off then hook up speaker wire if it turns on then u have a prob with speakers
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Feb 02, 2010 • Kicker ZX10001 Car Audio Amplifier
0helpful
2answers

What does the orange light protection mean
Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty .
.A thumbs up would be greatly appreciated if this answer is helpful to you

orange-light-protection-mean-otfyjrky3pc2prtgltcdyqtn-3-0.jpg
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Dec 06, 2009 • Kicker ZR1000 Car Audio Amplifier
0helpful
1answer

Protection light on and with ground and remote conected both lights come on
Redo your ground...then check all the connections - again. To my knowledge there is no "fix" for these amps (other than reconditioning $$$) at home.
Maybe a local car stereo shop would diagnose the system for a little <$25?
Good Luck
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Jun 27, 2009 • Kicker ZX10001 Car Audio Amplifier
0helpful
1answer

Speakers cut off when bass goes up...
you may be running 2 low of ohm load
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Feb 14, 2009 • Kicker ZX400.1 Car Audio Amplifier
1helpful
1answer

Protection light is on
Disconnect all speaker wires and signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.
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Dec 26, 2007 • Kicker KX600.1 Car Audio Amplifier
0helpful
1answer

Wont turn on
There is a short some were check all hot wirs for any bare spots . If that is not it most likley when you installed it you blue italways hook main hot wire last.
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Oct 25, 2007 • Kicker ZX10001 Car Audio Amplifier
0helpful
1answer

No power
Disconnect the sub or speakers and turn on the amp, see what happens. If the amp turn on without the protection light, then your sub is blown. Also check to make sure ALL your fuses are good including the one under the hood. If you have a meter, test the fuse for continuity. The problem can also be a bad ground.
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Aug 19, 2007 • Kicker KX150.2 Car Audio Amplifier
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I have a kicker 500.2 red protection light is on and red light on top of amp flashes every couple seconds. Have checked all connections and other amp in truck works good. I bought two of these amps and...

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