Ok, I have a gremlin...truck is a 2003 W900L with a 6NZ Cat.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by KittyKicker, Jun 12, 2018.

  1. charlie1403

    charlie1403 Bobtail Member

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    Sep 29, 2013
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    Battery to ECM power harness. Mine had joining plugs halfway along that had a break in the wire that couldn't be seen from the outside.
     
    KittyKicker and jamespmack Thank this.
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  3. charlie1403

    charlie1403 Bobtail Member

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    Sep 29, 2013
    Australia
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    Battery to ECM power harness. Mine had a fault under the cab where there was a joining plug in the harness. Couldn't see anything from the outside to indicate the fault.
     
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  5. KittyKicker

    KittyKicker Light Load Member

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    I will definitely check that out. Thank you sir.
     
  6. KittyKicker

    KittyKicker Light Load Member

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    Dec 27, 2015
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    Update: The only thing I have found is some corrosion on the back of a harness that comes through the firewall, almost mid cab. Everything else looks fine. Now however, the truck will not start at all and sometimes it won't even crank. WTF?!?!?!?!
     
  7. charlie1403

    charlie1403 Bobtail Member

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    Sep 29, 2013
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    Maybe time to look at ignition switch. It was one of the things I changed out( because it was cheap!) on the way to fixing my fault.
     
  8. KittyKicker

    KittyKicker Light Load Member

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    It has a brand new one, which I put in thinking maybe it was the old one causing the problem.
     
  9. charlie1403

    charlie1403 Bobtail Member

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    Sorry I should have read the OP better.
     
  10. KittyKicker

    KittyKicker Light Load Member

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    No worries man, I wrote a book in the OP. Got kinda boring reading the whole thing. Lol.
     
  11. KittyKicker

    KittyKicker Light Load Member

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    Dec 27, 2015
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    Update: Ran new power wire and fuse direct from battery to the ecm. I had pulled the truck into the shop and it would not restart. I could not get it to flash codes because the ecm had no power. Once I did that, I got it to flash a code for temp sensor, and cam/crank sensors. So, I'm going to be replacing these and seeing where it goes...
     
  12. charlie1403

    charlie1403 Bobtail Member

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    Sep 29, 2013
    Australia
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    Good luck mate! Keep us posted.
    ood
     
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