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My kenwood kdc-bt7043u keeps coming up on the face of the unit with protect? I don't have a manual. And it won't play any music would be great if you could help me out.

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Posted on Jan 02, 2017

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SOURCE: Kenwood car stereo KDC-W3534 : warning message PROTECT

This is a safety feature and it usually suggest that there is a problem with the internal amplifier, it could also be a trapped speaker wire. Remove the radio and check if any of the cables have been damaged and if you power up the radio with the speaker plug disconnected that will tell you if the fault is in the car or the radio

Posted on Dec 23, 2007

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tech48
  • 624 Answers

SOURCE: Kenwood - KDC-1020, Service Manual or

This is the standard Kenwood wiring harness from the service manual,
Let me know if you need more help.
I would appreciate a good rating if this was helpful to you.
Thanks
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Posted on Jun 20, 2008

  • 1 Answer

SOURCE: Kenwood car stereo KDC-W3534 : warning message PROTECT

i had the same problem and i just disconnect the battery and and reconnect it and everything works fine!! try it

Posted on Aug 28, 2008

  • 147 Answers

SOURCE: Kenwood kdc-148 is in protect

A car audio component like an amplifier (or in this case a headunit) is most likely to go into protection mode when there is a short in one of the speaker outputs-- in other words, if the + and - ends of one of the speaker leads are touching, this can cause damage to the internal amplifier of the unit. Some units will respond by putting the amplifier into "protection" mode, so that it does not damage itself. Check connections on the back of your unit, or take it back to the shop that installed it.

Posted on Mar 04, 2011

  • 7 Answers

SOURCE: How do I reset a Kenwood KDC-24BU flashing "PROTECT"?

Take of your positive battery cable. This should erase all your memory, since the car has no more power.

Posted on Jun 01, 2014

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1 Answer

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Help


This is a safety feature to avoid damage to internal components, the wiring must be shorting out to earth. Disconnect the speaker cable connector at the rear of the unit and try it, if it is ok then you have a speaker wire shorting out to ground. if it is still saying protect then disconnect the other wires one by one.

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