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ECM drawing power

Discussion in 'Volvo Forum' started by josepht, Nov 8, 2012.

  1. Nov 8, 2012 #1
    josepht

    josepht Bobtail Member

    4
    0
    Nov 8, 2012
    park city,utah
    0
    I have a 1998 Volvo 610 with a Detroit 11.1 in it.There are 2 small wire comeing off the battery terminal That I believe go to the ECM.Both of these wires are fused with 10 amp fuses.They are both drawing alot of power when the truck is shut down.If I don't disconnect the wires from the battery when I shut down the truck the batteries will be dead in a few hours.Any ideas what could be causing this?
     
    josepht, Nov 8, 2012
    josepht, Nov 8, 2012
    #1
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  3. Nov 8, 2012 #2
    Pablo-UA

    Pablo-UA Road Train Member

    7,604
    1,642
    Oct 11, 2010
    Borispol, Ukraine
    0
    only one is engine ECM constant power supply, Not two
     
    Pablo-UA, Nov 8, 2012
    Pablo-UA, Nov 8, 2012
    #2
  4. Nov 8, 2012 #3
    JoeGrycko

    JoeGrycko Bobtail Member

    3
    0
    Nov 6, 2012
    0
    We have always had 2 power supply wires to DDEC. One for each bank of injectors. There will always be a very small draw (mili-amp) but if this is running your batteries down in a couple of hours, I would have to believe you have something else in the truck causing that. You can pull the two fuse's out to kill the ECM and see what draw you stilll have on the system.
     
    JoeGrycko, Nov 8, 2012
    JoeGrycko, Nov 8, 2012
    #3
  5. Nov 8, 2012 #4
    josepht

    josepht Bobtail Member

    4
    0
    Nov 8, 2012
    park city,utah
    0
    Will it hurt anything to put a switch on these 2 wires.If it was a serious short wouldn't that blow the fuses?
     
    josepht, Nov 8, 2012
    josepht, Nov 8, 2012
    #4
  7. Nov 8, 2012 #5
    JoeGrycko

    JoeGrycko Bobtail Member

    3
    0
    Nov 6, 2012
    0
    Just pull the fuses and see what the draw is. The fuses will blow if the draw exceeds their capacity. But, I believe you have something else contributing here. I have worked with this system for 30 years.
     
    JoeGrycko, Nov 8, 2012
    JoeGrycko, Nov 8, 2012
    #5
  8. Nov 11, 2012 #6
    jaielv

    jaielv Light Load Member

    62
    12
    Dec 30, 2010
    joliet,il
    0
    make sure you don't have a short it out battery check for a hot battery or an egg smell.a short it out battery will make your battery's drain fast
     
    jaielv, Nov 11, 2012
    jaielv, Nov 11, 2012
    #6
  9. Nov 11, 2012 #7
    josepht

    josepht Bobtail Member

    4
    0
    Nov 8, 2012
    park city,utah
    0
    When I pull the fuses there is no draw on the batteries.
     
    josepht, Nov 11, 2012
    josepht, Nov 11, 2012
    #7
  10. Nov 11, 2012 #8
    josepht

    josepht Bobtail Member

    4
    0
    Nov 8, 2012
    park city,utah
    0
    I have tested the batteries individually and they all checked out ok.
     
    josepht, Nov 11, 2012
    josepht, Nov 11, 2012
    #8
  11. Jan 11, 2013 #9
    tkeller

    tkeller Bobtail Member

    5
    0
    Jan 11, 2013
    0
    Hi we have a 1993 autocar day cab with a 60 series detroit we havnt had it started in a year and this year when we tried it we hooked up the batteries and and the check engine light aradio and pyro meter all get power and truck wont start. Anybody have any Ideas
     
    tkeller, Jan 11, 2013
    tkeller, Jan 11, 2013
    #9
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