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International 8600 headlight issue

Discussion in 'International Forum' started by BrianP, Jul 19, 2015.

  1. Jul 19, 2015 #1
    BrianP

    BrianP Bobtail Member

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    Jul 19, 2015
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    Hello everyone - new to this site.
    I have a 2005 International 8600. The headlights do not come on when I flip the switch on the dash (left of the steering wheel). The parking lights come on with the switch but no headlights... Air brakes - parking brake off - daytime running lights come on and flash to pass works. However, bright lights won't stay on either (assume its because the dim lights are not on).

    I have never had an International so I am new to how all this works... I have mostly older Petes (a lot less computer stuff). Any help would be greatly appreciated.

    Brian
     
    BrianP, Jul 19, 2015
    BrianP, Jul 19, 2015
    #1
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  3. Jul 19, 2015 #2
    Heavyd

    Heavyd Road Train Member

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    I would guess the switch pack is no good. This can be easily verified by someone with Diamond Logic software to see if the body controller is getting the head light on signal from the switch pack. The headlights can also be turned on through the software to verify the headlights do actually work as well.
     
    Heavyd, Jul 19, 2015
    Heavyd, Jul 19, 2015
    #2
    BoxCarKidd and BrianP Thank this.
  4. Jul 19, 2015 #3
    BrianP

    BrianP Bobtail Member

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    Jul 19, 2015
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    Thank you HeavyD
    Do the fog lights operate in the same manner? They too are not working.
    When the lights are on (on a normal working truck ;-) and you click back for the brights to come on, I assume the BCM controls this as well because of the lack of mechanism in the turn signal indicator (like an older vehicle when it "clicks"). I am going to go to the International dealer tomorrow and have them hook it up to their computer but I want to sort of have an idea of whats going on.
    Thanks again,
    Brian
     
    BrianP, Jul 19, 2015
    BrianP, Jul 19, 2015
    #3
  5. Jul 19, 2015 #4
    Heavyd

    Heavyd Road Train Member

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    Yep, same.
     
    Heavyd, Jul 19, 2015
    Heavyd, Jul 19, 2015
    #4
    BrianP Thanks this.
  6. Sep 20, 2018 #6
    Billy Mississippi

    Billy Mississippi Bobtail Member

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    Sep 20, 2018
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    I have a 2006 8600 doing the exact same thing. What was the solution?
     
    Billy Mississippi, Sep 20, 2018
    Billy Mississippi, Sep 20, 2018
    #6
  7. Sep 20, 2018 #6
    Heavyd

    Heavyd Road Train Member

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    Heavyd, Sep 20, 2018
    Heavyd, Sep 20, 2018
    #6
  8. Sep 21, 2018 #7
    Billy Mississippi

    Billy Mississippi Bobtail Member

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    I read it. In the middle of harvest and already have one truck transmission out and then this happened to my international last Friday. I didn’t see any final solution other than taking it to the international dealer which is 105 miles away. I’ve been through grounds and harness. I was suspecting the switch pack or bcm. Just hate to throw unnecessary parts at it. Mine has the exact symptoms that Brian stated.
     
    Billy Mississippi, Sep 21, 2018
    Billy Mississippi, Sep 21, 2018
    #7
  9. Sep 21, 2018 #8
    Heavyd

    Heavyd Road Train Member

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    I don't know what to tell you. This is how you diagnose these problems. You don't have to go to a dealer, but you have to find someone with Diamond Logic builder software to see what the body controller is seeing. If you have any other trucks around, you can try swapping clusters as a test. As a side note, make sure you check both bulbs. It is easy to burn out both at the same time if you boost these or over charge the batteries.
     
    Heavyd, Sep 21, 2018
    Heavyd, Sep 21, 2018
    #8
    QUALITYTRUCK Thanks this.
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