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Receiver someone fixed a oil leak on my truck. when I got it back the word PROTECT appears on the screen.

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  • nikolaswest Feb 10, 2009

    my kenwood is in da same spot. my owner manual says 2 make sure speakers wires r not grounding out. and if thats not it than it says to take it 2 a repair shop





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Need to reset code in sterio
pull out radio
look on side of radio
there should say something like security with letter next to it this should be your unlock code for radio

Posted on May 07, 2008

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Posted on Jan 02, 2017

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1 Answer

How to remove protect sign from JVC KDR-416


Sounds like you have a speaker wire shorted or touching. Pull stereo out of Dash But leave wiring harness plugged in. With stereo off unplug positive and negative of one channel or speaker then power on to see if it starts to work. If it still says protect shut back off wire that channel back up and go to the next Channel. As you do this one speaker output should be the culprit. If you go through all 4 and it still says protect then it may be a problem within the unit itself

Oct 01, 2016 | JVC Car Audio & Video

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My Kenwood KDC-U453 cd receiver displays "PROTECT" on connection and nothing works - any solutions appreciated!!!!


Pull the radio out, tape off all wires but yellow, red and black. Twist red/ yellow together and attach to positive 12 volt, attach black wire to negative 12 volts. Turn on radio and see if it comes out of protect mode. If it does, you will have to troubleshoot all of the speaker wires to find a short.

Apr 11, 2013 | Kenwood Kdc-u453 Car Audio Radio Iphone...

1 Answer

My car kenwood says protect on the screen


That'll do it! The new speakers may have the wrong impedance to match your Kenwood. For example, if the impedance is 2 ohms or less the Kenwood may go to protect mode to prevent damage. Also, there could be a shorted wire connection which also will cause protect to be enabled. Protect mode prevents destruction of your receiver

Mar 08, 2013 | Car Audio & Video

1 Answer

Protect message comes on and my radio doesnt work.what should i do?


Hi there,

Firstly, are you able to remove the head unit from your dash?

Usually, when PROTECT appears, the unit has detected a short circuit (or overload) somewhere, and has shut down to prevent damage.

Problems in the wiring (e.g. loom or speaker wire) can often cause this condition.

I recommend you have someone remove the head and:

- check the fuse in the back of the head unit.
- disconnect one speaker wire, then turn unit on to see if Protect message comes up.
- do this with all speaker wires, until the unit operates without going into Protect mode.

If the above does not solve the problem, then you may need to decide whether repair is viable, or to replace.
.

Jul 12, 2011 | Kenwood KDC-MP142 Car CD/ MP3 Player

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My kenwood double din radio was playing and then protect came up on the screen


Hello, i´ve a auto radio Kenwood kdc-bt6544u, i´m more than happy with him. The other day morning i put the plate in the radio and it appears the word protect in the display, I´ve checked the speakers, remade the speakers connections and still appear the message. Can you please help me, what should i do? I shall now wait for your kindly feedback. Best regards Ricardo Fonseca

Jan 27, 2011 | Kenwood KDC-BT742U

1 Answer

Protect on the screen.


PROTECT shows up on your screen when one of the speaker wires is grounding out on something. Check all the speaker wire connections and re-insulate any that may be suspicious. Look behind the player and check those and you may have to check at the speakers as well. If your car has an amp or subwoofer installed, check at the connections there as well. After finding your grounding issue hit reset on the radio and you will be up and running.. Happy listening. K

Jun 06, 2009 | Kenwood KDC-MP232 CD Player

2 Answers

Screen shows PROTECT and i can't hear nothing and do nothing


The receiver is in protect mode either due to heat or crossed speaker wires. Heat would take a while to shut off and a while to turn back on. The speaker wire short would be detected immediately.

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