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My kicker 400.1 amplifier shows protection for a few seconds on start up but no power, why is this happening?

Its was working just fine, then all of a sudden nothing. checked my amp fuse and inline fuse, both look good. Now when turn the key on the protection light comes on for a few seconds then goes away, but no power? Please help!!!

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  • timking64 Feb 24, 2012

    Fixed my amp. Went back through all the wires and benched test it myself. Ran all new wires and found out that it wad my power wire. Even though my inline fuse wasn't busted it still wouldn't send power to the amp. Boogles me as well. I'm just saying before buying or sending your amp out, just check everything before!! I about sent mine out and cost me even more money.

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6 Suggested Answers

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Posted on Jan 02, 2017

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Garfunkel01
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SOURCE: Red light on Amplifier

if your amplifier has the internal Kicker card dealie "little computer card on the side that you can change out crossover settings and such," Turn off the vehicle, remove this device and make sure the contacts on the card are clean and free from black soot (showing a spark). clean the contacts with a pencil eraser or something hard but soft... and put the little card back in place, start the car again and see if that helps, I used to lose one speaker every once in a while with the same amp. I ended up replacing the module with a different one from my dealer and it worked fine (still does and it's been in my car 6 years). Check that little module. if this doesnt work, while the car is running and the music is "playing" wiggle the card and see if it works sometimes and not others. Likely is the little module.

Posted on Aug 15, 2007

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Hazardsneon
  • 100 Answers

SOURCE: When powered on protection light comes on

Protection usually means that there is a short some where. If it is inside the amp or external I couldn't tell you. You could check the fuse to make sure that isn't blown. I had a Memphis amp that blew both fuses and the protection light came on. I swapped out the fuses and worked fine, still works. If you have a multimeter set it to OHMs and check the resistance between the power terminals. It should be very high. If these things don't work then there is most likely something wrong with the amp or your power termination. I wasn't able to find a lot of information on this amp but if it has screw type terminals, did you use terminals. If you just put the wires in the terminals make sure there wasn't loose strands touching. I hope you can get this one.
-Andrew Hawkins

Posted on Mar 29, 2008

JULIANFIX
  • 975 Answers

SOURCE: kicker amp

if you amp is in the PROTECTION MODE its means that there some defective part , like for example the main ICs or TRANSISTORS output might be defective , and thats why its on the PROTECTION MODE , needs to be taken to a expert technician for repair.

Posted on Apr 16, 2008

  • 15 Answers

SOURCE: kicker dx 350 amp

Remove amp from vehicle, connect Directly to Battery, then short REM line to Ground, see if amp comes out of "protect" If it does, you have either a short or a bad connection on your power wires between amp and battery, If testing amp directly to battery and it doesnt come out of protect, it meens you fried the amp and likely your problem is wiring between the amp and the speakers, or even the speakers themselves (shorted) .. If you Drive your speakers hard enough they can overheat and short out after a short blast... anywhere from 10seconds to 45 mins.. depends on many variables.

Posted on Jan 25, 2009

  • 131 Answers

SOURCE: i need an override code to unlock my kicker sx700.4 amplifier

you will have to call Kicker, and let them know the serial number, and explain the problem to them. cause there is no generic code for that amp. they will have it in the computer at kicker.

Posted on May 26, 2009

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