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  1. #1
    Join Date
    Nov 2009
    Location
    Nebraska
    Posts
    327

    Default No Power on MB Quart

    Stereo switch will light up, but no power on the MB Quart. Checked fuse and looked fine. Any ideas?
    2010 Moomba LSV

  2. #2
    Join Date
    Sep 2010
    Location
    Lake wallenpaupack PA
    Posts
    846

    Default

    If you have a a wired remote on the transom try disconnecting it. When they get wet they foul up the headunit.

  3. #3
    Join Date
    Nov 2009
    Location
    Nebraska
    Posts
    327

    Default

    No transom remote
    2010 Moomba LSV

  4. #4
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    630

    Default

    Quote Originally Posted by snyderaaron View Post
    Stereo switch will light up, but no power on the MB Quart. Checked fuse and looked fine. Any ideas?
    Elaborate on " no power on the MB Quart" if you can. Do you mean the turn-on rocker lights up but the head-unit does not, or do you mean you are using a volt meter at the back of the head-unit and do not have B+ where you think you should?

    The helm mounted rocker supplies voltage to the head-unit's red turn-on wire, but does not actually power the head-unit. This is done via constant B+ and GND on the head-units yellow MEM and black GND wires. All 3 are needed for the head-unit to power up.

  5. #5
    Join Date
    Nov 2009
    Location
    Nebraska
    Posts
    327

    Default

    Basically I flip the rocker switch to turn the stereo on. The LED for the rocker switch is on, but the MB Quart doesn't turn on. No lights, no music, no response?
    2010 Moomba LSV

  6. #6
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    630

    Default

    Quote Originally Posted by snyderaaron View Post
    Basically I flip the rocker switch to turn the stereo on. The LED for the rocker switch is on, but the MB Quart doesn't turn on. No lights, no music, no response?
    A couple of simple checks with a basic volt meter are in order. You will quickly determine if the problem is the head-unit or upstream in the power supply.

  7. #7
    Join Date
    Nov 2009
    Location
    Nebraska
    Posts
    327

    Default

    Luckily I'm an idiot at that haha, my dealer replaced my USB port, could they of messed something up. Going to call them tommorrow.
    2010 Moomba LSV

  8. #8
    Join Date
    Jan 2008
    Location
    Keuka Lake, NY
    Posts
    5,489

    Default

    You check the breaker under the stereo area?
    A Day at the Lake...Priceless
    A Day in Powder...Endless


    Joe V
    2012 Möbius XLV~ Loaded & Exiled
    2007 Outback V ~ sold

  9. #9
    Join Date
    Nov 2009
    Location
    Nebraska
    Posts
    327

    Default

    Checked, plus reset the main breaker also
    2010 Moomba LSV

  10. #10
    Join Date
    Jan 2008
    Location
    Keuka Lake, NY
    Posts
    5,489

    Default

    They obviously bumped something loose if it worked before they changed the USB cord., could be power, remote or ground that came loose.
    A Day at the Lake...Priceless
    A Day in Powder...Endless


    Joe V
    2012 Möbius XLV~ Loaded & Exiled
    2007 Outback V ~ sold

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