95 Fld 120 DD S60 Small wires at batteries help

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jsnap, Jan 11, 2014.

  1. jsnap

    jsnap Light Load Member

    77
    7
    Apr 10, 2008
    ststen island NY
    0
    Well guys i was in a hurry in changing the batts cause of the cold and didn't pay attention to the 3 small wires attached to the batts.... Like i said there are 3 however one is fused so i know that's to a positive lug however have no idea about the other 2 as the colors of all the wires are yellow please if any one could help with memory of the other 2 or maybe a procedure with a multimeter to figure out the other 2 I would appreciate it ... Thanks
     
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  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    1,783
    Jun 14, 2009
    romulus,mi
    0
    2 of those wires are 12v positive and become 1 near the ecm.with your meter set to beep on continuity,whichever one beeps while touching the fused wire is the other positive one.last one left is ground.
     
    heavyhaulerss Thanks this.
  4. jsnap

    jsnap Light Load Member

    77
    7
    Apr 10, 2008
    ststen island NY
    0
    Thanks ill check to tomorrow however to me that don't make to much sense (not that im saying your wrong) that those 2 wires would come together and only one would be fused .... Thanks Again
     
  5. heavyhaulerss

    heavyhaulerss Road Train Member

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    Dec 23, 2009
    AL/TN BORDER
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  6. jsnap

    jsnap Light Load Member

    77
    7
    Apr 10, 2008
    ststen island NY
    0
    That diagram makes sense however that is not what i have. I have 3 separate wires at the batterty each wire has its own eye on it and only one wire has a fuse holder on it the other 2 dont.. According to Qualitys response hes saying that the fused wire and one of the other 2 wires at the batts come together near the ECM and that to me makes no sense...Why would there be two separate wires each with its own eye off the battery positive and then coming together and only fusing one... I mean if the fuse goes like its supposed to because of a short whats the point you still have another with no fuse... i sure hope hes rite then its a no brainer... Fingers are crossed..
     
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