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Warning Beep at Shutdown

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Woodport, Jul 30, 2010.

  1. Jul 30, 2010 #1
    Woodport

    Woodport Bobtail Member

    24
    4
    May 23, 2010
    Wayne, NJ
    0
    I have an audible indicator which beeps after I shutdown my '06 T-600. The interval increases then it stops after a minute or so. Also I don't have power for my interior lights in the sleeper or any of the 12 volt holes.

    This is recent. Can anyone shed some light?
     
    Woodport, Jul 30, 2010
    Woodport, Jul 30, 2010
    #1
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  3. Jul 30, 2010 #2
    Saienga

    Saienga Medium Load Member

    626
    229
    Jul 28, 2009
    0
    You've got a bad low voltage disconnect system.

    There's a little box (from the driver's seat: left of my left foot and nestled behind the plastic paneling of the T660 that I recently turned in) that runs the accessory power through it. It monitors the batteries, and if your batteries drop below a certain preset threshold, the LVD box shuts off all of your power and interior lights to save crank for the engine.

    IF your batteries are good and IF your alternator is working as it should (AKA, you don't actually have a low voltage issue) you need to replace the LVD box.

    Another option is to take the dang thing out altogether, especially if you have an APU or something else similar.
     
    Saienga, Jul 30, 2010
    Saienga, Jul 30, 2010
    #2
    Woodport Thanks this.
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