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I am installin a Clarion DB185MP auto source unit. It's on but no sound, when I turn volume control it says "amp ground" on screen- a code not in manual. I have reset unit but get "amp ground code". Unit was hooked up with and without external amp, same message. Thanks

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  • 5778016 Feb 24, 2009

    Hi I have Clarion DB185Mp car stereo I get "amp ground" error code when volume control is turned, no sound at all but lights, clock etc work fine. Unit is wired with factory harness and no external amp connected. Does this code mean unit is damaged? Unit is grounded to chassis @ factory harness. Thanks

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4 Answers

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  • 495 Answers

This might help you

www.5starcaraudio.co.nz/pics/manuals/DB185MP_ENG.pdf

Posted on Feb 24, 2009

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  • Master
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Hi and welcome to FixYa,

Check the speaker wires of the Clarion unit with an continuity tester/ohmmeter or a DVM/VOM. None of the speaker wires should read 0 ohms to ground with or without speakers connected.

Pls post back results/updates. Good luck and thank you for using FixYa.

Posted on Feb 24, 2009

  • Louie  Role
    Louie Role Feb 24, 2009

    Pls confirm that the following wires are not grounded, exposed:


    • blue/white stripe = amp turn on lead

    • brown = phone mute lead

    • blue = power antenna lead
    Additionally, verify that the wires from the Clarion connects as below indicated in the factory harness:


    • Yellow is constant 12V

    • Red is ACC

    • Black is ground

    • Purple rear right +

    • Purple black rear right -

    • Green rear left +

    • Green black rear right -

    • White front left +

    • White black front left -

    • Gray front right +

    • Gray black front right -

    • and that no wire would read 0 ohms to GND other than the black.
    You may also want to add an extra ground strap from the body of the Clarion DB185MP to the firewall or metal brackets under the dash.


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Run a ground wire from the ground on the back of the unit to the screw on the power plugin.... that should take care of the ground issue

Posted on Feb 24, 2009

  • Roberta Smith
    Roberta Smith Feb 24, 2009

    misread that... you need to ground the amp... same method but on the metal of the body of the car

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Hi

It sounds like its wired inproperly, get a amp and note that everything is set up and wired properly, I assume the speakers are working fine could you test them with another unit?

Posted on Feb 24, 2009

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1 Answer

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http://www.clarion.com/us/en/MungoBlobs/837/700/DB165-inst,1.pdf

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I turn up the volume and it says amp ground the car doesnot have an amp?


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Connect color-coded wires properly;especially the


yellow battery
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purple/black right rear -
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white/black fr left -
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SPEAKERS:
White = Left Front +
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Gray = Right Front +
Gray/Black = Right Front –

Green = Left Rear +
Green/Black = Left Rear-

Violet = Right Rear +
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POWER/ACCESSORY:
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Yellow 18ga = Battery CeNET Power/Memory
Red = Accessory (ignition on)
Black = Ground
Blue = Antenna Turn On +
Blue/White = Remote Turn On (amps) +
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Orange or Mint Green= Parking Brake Video Lockout
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