Question about Kenwood KDC-MP4032 CD Player

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Trying to wire up my cd player

I had my kenwood kdc-4032 installed and it only flashing protect.How can I fix that.

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Check for shorts in the speaker wiring. Clip one end of a mult-meter to the ground of the car chassis, then probe each speaker wire. Did you install it? What car, did you buy the wire harness for the car, or did you hard wire it? I know pretty much ALL american made wire colors by heart, and most foreign ones too. (Het, 51 years old and doing it sinc 1980!!! So, let me know if I can help further. If YOu installed it, it may be possible that the wiring is messed up. Hit me back.

Larry T
WinonaLake, IN

Posted on Jan 28, 2009


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I am installing kenwood kdc-mp443u. it is flashing protect and i can't remove it. can you help please?

A speaker wire has a short-circuit, crossed, or touches the chassis of the vehicle it activates the protection mode function.
? Wire or insulate the speaker cable properly and press the reset button. If the "PROTECT" code does not disappear, consult your nearest service center.
I have attached a link for you which is for a free Kenwood KDC-MP443U instruction manual download. Nice receiver by the way!
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Protect Mode (Blink): The speaker wire has a short-circuit or touches the chassis of the vehicle, and then the protection function is activated.

Solution: Wire or insulate the speaker cable properly and press the reset button.

Here is a copy of the Instruction Manual for the Kenwood KDC-X790 and KDC-MP732.

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I have the exact same issue!

you have a bad wiring some where and the init goes in safe mode and shows that check you wiring for ever where include spkr wiring

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Cd player comes up with ''PROTECT''

one of your speaker wires to the internal amp is shorted. turn power off and make sure they are not touching metal or each other and then hit reset again. if this doesn't help your power ic may be fried inside the stereo or a speaker is shorted.

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"Protect" isn't for security on a Kenwood; it's caused by a problem with the speaker output. There may be a defect in the CD player, or you may have a blown speaker or a shorted speaker wire in the vehicle. Try disconnecting all the speakers and see if the unit still shows "protect" when you turn it on. If it still shows the "protect" message with no speakers connected, the unit needs to be serviced; if not, re-connect the speakers one at a time until you find out which one is causing the problem.

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Wires are exposed. According to the manual, the wiring is grounding out or exposed at some point between the head unit and the speakers.

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