FLD120 no start, no cab gauges

Discussion in 'Freightliner Forum' started by cfannin1, Sep 10, 2015.

  1. baha

    baha Road Train Member

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    1. Will it fire on ether? CK. with a ele. test light the fuel shut off sol.
     
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  3. GrapeApe

    GrapeApe Road Train Member

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    This is a Series 60, it doesn't have a shut off solenoid.
     
    baha Thanks this.
  4. cfannin1

    cfannin1 Bobtail Member

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    I called myself checking the plug portion itself too, but I'm gonna go back to it in the morning and see what I find. Thanks for the tip!
     
  5. cfannin1

    cfannin1 Bobtail Member

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    manual fuel pump run on side of air compressor. and yes, it will hit on ether
     
    baha Thanks this.
  6. cfannin1

    cfannin1 Bobtail Member

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    @GrapeApe should 87 be hot with key on or off?
     
  7. GrapeApe

    GrapeApe Road Train Member

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    With the relay plugged in, 87 should go hot when you turn the key on. 30 should be hot all the time.
     
  8. cfannin1

    cfannin1 Bobtail Member

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    Sep 19, 2013
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    Okay, I am about to pull my hair out. Had a tech come out and hook up computer. I'm getting pulse from injectors and SRS signal. Somehow he got it to crank. I personally think it was ghost settings from the computer that the ECM was reading. The original ECM showed faulty memory. Hung a new ECM on it and it cranked. Mounted that new ECM, the tech left, no crank.

    @GrapeApe , I went to that relay beside the ignition that is marked VCH SHUTOFF. The ignition relay feeds from it. 30 is hot, 87a is hot. 87 never got hot with or without key. Trying to trace wire D499 to see where it goes b/c that is a ground that isn't grounding on that relay. Because of this, the wire that feeds a whole bar of circuit breakers isn't getting fire at all. I have yet to back track D499 because it goes thru that wasp nest of wires under the dash and I keep losing it. If anyone has a diagram that know what it's for and where it goes, I would appreciate it. Somehow, whatever is doing this is not sending signal to my ECM and telling it "let's go".
     
  9. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    If I am understanding correctly this pretty much means that the break in the circuit for keyed ECM power is near the ECM itself. Movement of the wire harness when swapping out ECM may have caused the issue. Please correct me if I misunderstood story. P.S. when you use the word "crank" to describe what the engine is doing, most of us take that as engine cranking (turning over) but not running. Good luck.
     
  10. AModelCat

    AModelCat Road Train Member

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    I'll have to 2nd this. Sounds like an intermittent break in the keyed power circuit to the ECM. Whether its a wire in the harness or a faulty ignition switch is something you'll have to determine.
     
  11. Hudson_MacBeth

    Hudson_MacBeth Medium Load Member

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    sounds like the ignition switch to me
     
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