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Heavyd --Flickering Daytime Running Lights ?

Discussion in 'International Forum' started by 71int, Sep 1, 2014.

  1. Sep 1, 2014 #1
    71int

    71int Bobtail Member

    6
    2
    Jul 9, 2010
    Wills Point Texas
    0
    1998 Int. 8100 Day Cab 4x2 Serial #574966 Mfg. 14 Jan. 1998 (Made in USA)
    Sometimes DRL will illuminate normal,sometime will not illuminate, most time will flicker rapidly.

    Bright and dim headlights,fog lights,flash to pass,marker interrupter work normal.
    Changed pressure switch between DRL circuit and Cruise Control-Brake circuit to eliminate
    malfunctioning pressure switch.
    Just about leaves a bad module--With your impressive International truck knowledge what do you think
    is the problem?

    Thanks 71 Int.
     
    71int, Sep 1, 2014
    71int, Sep 1, 2014
    #1
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  3. Sep 1, 2014 #2
    boneebone

    boneebone Road Train Member

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    Mar 13, 2009
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    Don't know much about International, but on my Volvo truck with DRL it was the Module, so I say it's most likely the same with yours.
     
    boneebone, Sep 1, 2014
    boneebone, Sep 1, 2014
    #2
  4. Sep 1, 2014 #3
    ironpony

    ironpony Road Train Member

    17,502
    12,015
    Sep 23, 2007
    Ask my GPS...
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    Check your ground connections too.
     
    ironpony, Sep 1, 2014
    ironpony, Sep 1, 2014
    #3
  5. Sep 1, 2014 #4
    Heavyd

    Heavyd Road Train Member

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    Daytime running lights in your truck does not use a module. Switching out the pressure switches is a good idea. Your truck uses two relays to reroute power through the high beam circuit in series through each head light to produce the lower power DRL. The power for this is also a separate fuse. The relays will be at the lower left main fuse panel under the key switch, or behind the dash panel on the passenger side. The fuse should be F30 which is a 10 amp. Usually corroded connections cause dim or no lights. Flickering sounds more like a bad relay, or a relay with a bad power.
     
    Heavyd, Sep 1, 2014
    Heavyd, Sep 1, 2014
    #4
  7. Sep 1, 2014 #5
    71int

    71int Bobtail Member

    6
    2
    Jul 9, 2010
    Wills Point Texas
    0
    this truck is wired like the ones that are mfg effective October 01 1998
    there are no relays in the circuit. today I removed Signal-Stat solid state
    DRL Mdoule IH #2022809C1

    71int
     
    Last edited: Sep 1, 2014
    71int, Sep 1, 2014
    71int, Sep 1, 2014
    #5
    Heavyd Thanks this.
  8. Sep 1, 2014 #6
    Heavyd

    Heavyd Road Train Member

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    LOL, I just double checked the diagram I pulled, it is 1988, not 1998. Sorry about that. I hope the module fixes you up!
     
    Heavyd, Sep 1, 2014
    Heavyd, Sep 1, 2014
    #6
  9. Sep 5, 2014 #7
    71int

    71int Bobtail Member

    6
    2
    Jul 9, 2010
    Wills Point Texas
    0
    Picked up a new DRL module yesterday. Fixed the problem. Thanks for everyone's reply

    71int
     
    71int, Sep 5, 2014
    71int, Sep 5, 2014
    #7
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