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2003 century 12.7 ecm not responding

Discussion in 'Freightliner Forum' started by kentsa, Jun 21, 2011.

  1. Jun 21, 2011 #1
    kentsa

    kentsa Bobtail Member

    1
    0
    Jun 21, 2011
    Adkins TX
    0
    checked all fuses had ecm bench tested after putting back in ran fine for one day now no start .no check engine light with key turn on.dash code is ecm no responds. need help
     
    kentsa, Jun 21, 2011
    kentsa, Jun 21, 2011
    #1
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  3. Jun 22, 2011 #2
    FYDA FREIGHTLINER CINCY

    FYDA FREIGHTLINER CINCY Light Load Member

    270
    131
    Apr 28, 2009
    Cincinnati, ohio
    0
    check for battery voltage and ground at ecm from batteries. we use a sealed beam headlight. using a test light or dvom will not put enough of a load on the wires. if headlight burns bright the wiring is good.
     
    FYDA FREIGHTLINER CINCY, Jun 22, 2011
    FYDA FREIGHTLINER CINCY, Jun 22, 2011
    #2
    baha Thanks this.
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