Question about Clarion CZ109 Car CD Player

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I do not get any sound out of my stereo on a car i just purchased and the error code reads "amp grd" ,the code only shows up when you go to turn up the volume other than that it seems like it is working but without the sound?

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Check to make sure u dont have a bad speaker, then go and recheck all your connections i had this happen to me, i found a bad speaker in the rear and bad connections in the front no more amp grd

Posted on Oct 02, 2009

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Check your wiring for shorts or nicks, you may have a bad speaker which has low resistance when the volume is turned up also.

Posted on Oct 01, 2009

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1 Answer

Hyundai terracan car stereo has error 6 with cds, now error 3 plus amp-grd. nothing works at all anymore. how do i fix?


At least you tried. Good for you. If you want to keep going, pull it out take it apart and look for bad solder joints. It's already broke, how much more can you break it? Radios usually go bad bad from solder joints. Can you use a soldering gun? If you don't, replace the radio.

Feb 15, 2015 | Hyundai Cars & Trucks

1 Answer

When i turn stereo on and there is no sound and AMP GRD comes up. how do i sort this out


The amp needs a ground green wire. Attach it to a metal object with a screw. The wiring harness will have a green wire sometimes with a factory installed ring on it to be able to attach it to a ground

Apr 07, 2013 | Clarion CZ109 Car CD Player

1 Answer

AMP GRD, WHAT DO I DO ALL MY SPEAKERS ARE DISCONNECTED


Hi p3rty8,
"Amp Grd" protect in other brand is an error code for short and overload. Once the power applied to the unit and shorts sensed by the processor the unit will automatically turned to "Amp Grd" to avoid further damaged to other parts. Most shorts is in the supply voltage (B+, Vcc) line and most common caused is the sound output IC (mounted in heat sink). This part is responsible for amplifying the audio from the pre-amplifier stage and will feed to your speakers.
If you have a knowledge in disoldering and soldering technique, I would advice you to pull-out this part and then try the unit. If the "Amp Grd" error code is gone then you must replaced this IC with a new one to back your unit in normal operation again.

Hope I helped you.
Have a nice day!
Thanks for using Fixya.

May 23, 2011 | Car Audio & Video

1 Answer

Mitsubishi magna car stereo wiring diagram


I want to clear the letters amp grd from my stereo so as for sound to come from the speakers please help?

Aug 29, 2010 | Car Audio & Video

2 Answers

My clarion cd player in my boat was working fine now it says amp grd. I have looked but i see nothing unhooked what can i do to get sound out of my speakers?


Remove all the speaker wires.

Power the radio back on and verify it is not the radio at fault.

If it powers up, check the speakers with a Digital Multimeter set to OHMS 20x.

Each speaker should have a resistance of 4 ohms. (or 8 in some cases)

Any variance (+/- .5ohms) means the voicecoil is blown, and replace that speaker.


Thanks for using FixYa - a Very Helpful rating is appreciated for answering your FREE question.

Jul 14, 2009 | JVC AM FM CD DET FACE CAR STEREO

1 Answer

Amp grd is displayed


I think it is telling you that you need to earth this unit to the bodywork

May 23, 2009 | Car Audio & Video

1 Answer

Installed and no sound or nothing


Im guessing you have an amplifier if not check the cd player ground " AMP GRD" means amp ground is faulty. In the event that you do have an amplifier check that ground wire as it's most likely the problem.

Feb 25, 2009 | Clarion DB285USB Car CD/ MP3 Player

1 Answer

NO SOUND AFTER INSTALLING VRCD400-SDU


I had the same problem and all I did was buy new wires the ones that came with the stereo itself burned up and seased to work. now I paid $6.00 for it at best buy. they look the same colored wires as the ones that came in it.

Dec 29, 2008 | Roadmaster (VR500CSBT)

1 Answer

No power turn on??


Does the voltage at the battery drop when you connect 12v to the remote terminal?

If not, there is too much resistance in the power/ground wiring.

If the voltage drops at the battery, either the battery is weak or the amp is drawing excessive current.

Dec 03, 2007 | Kenwood KAC-728S Car Audio Amplifier

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