I have a 2006 Freightliner Century and i hear beep sound..

Discussion in 'Freightliner Forum' started by rajcheema, Mar 5, 2013.

  1. rajcheema

    rajcheema Bobtail Member

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    Mar 3, 2013
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    I have a 2006 Freightliner Coentury and I hear a beeping noise(slow then fast) then I lose cig/dome? I hear a beeping noise then the cigarette lighter & Dome lights go out and about 20 seconds later it all comes on. every 5 to 10 min this happens.
     
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  3. BossOutlaw88

    BossOutlaw88 Road Train Member

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    You might need a new wiring harness.

    {A man is only as good as his word.}
     
  4. Pablo-UA

    Pablo-UA Road Train Member

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    check incoming voltage and ground on battery protector. Thick (10 mm2) wires run from PDM (fuse box) to battery protection unit. May be one wire is loose
     
  5. TIGERSHARK3060

    TIGERSHARK3060 Bobtail Member

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    Mar 6, 2013
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    Is this with the engine running or off? It's probably when it is off . You might also want to individually load test each of your batteries because that is a very short time for the alarm to sound. I believe mine goes off at 10.6 volts.
     
  6. Pablo-UA

    Pablo-UA Road Train Member

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    LVDS may be calibrated on 11.9V. With lower 10.6 V you cant start engine
     
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