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Thread: No low beam headlights 2008 Kodiak 4500

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  1. #1
    Join Date
    Mar 2000
    Location
    St. George, Utah.
    Posts
    980

    Question

    Not likely. Back in the diagrams I go.
    Denny
    2018 GMC Denali HD 2500 L5P.

  2. #2
    Join Date
    Oct 2002
    Location
    USA
    Posts
    1,248

    Default

    Thanks, I also tried using my Tech II but didn't have any luck.
    0000000

  3. #3
    Join Date
    Mar 2000
    Location
    St. George, Utah.
    Posts
    980

    Question

    Do you have High beams.
    Denny
    2018 GMC Denali HD 2500 L5P.

  4. #4
    Join Date
    Oct 2002
    Location
    USA
    Posts
    1,248

    Cool

    I have high beams and all four bulbs work for that. if you flip the lever to low beams they all go out. If you turn the headlight switch off and E brake off I have DRL's. ???????
    If I turn the switch to parking/running lights I get the DRL's which look like low beams. ???? but if you rotate it to headlights it has no low beams. And only high beams if you flip the turn signal high low beam to high beam setting. ????
    0000000

  5. #5
    Join Date
    Mar 2000
    Location
    St. George, Utah.
    Posts
    980

    Question

    I think that the DLRs get there power through the dash sw when it is in the off position. That being said you have high beams and not lows. It is my opinion that the high/low stem sw is ok. The DLRs have to go through the low position on the stem sw. It is my opinion that the dash sw is the problem. just sayin.
    Denny
    2018 GMC Denali HD 2500 L5P.

  6. #6
    Join Date
    Oct 2002
    Location
    USA
    Posts
    1,248

    Default

    Thanks Denny. At least it's the easier switch to replace.
    0000000

  7. #7
    Join Date
    Mar 2000
    Location
    St. George, Utah.
    Posts
    980

    Wink

    Before you replace the sw make sure that was plugged in properly.
    Denny
    2018 GMC Denali HD 2500 L5P.

  8. #8
    Join Date
    Jun 2013
    Location
    San Diego, CA
    Posts
    1

    Default What was the fix?

    Can someone tell me the fix on this one?
    Thanks

  9. #9
    Join Date
    Nov 2015
    Location
    texas
    Posts
    1

    Default

    Anybody figure out the remedy on low beam problem ?

  10. #10
    Join Date
    Jun 2002
    Location
    MINNEAPOLIS,MN
    Posts
    18

    Default low beam issue

    the few times I have seen this, the 5-pin relay for the headlights or low beams got switched somehow with a 4-pin relay...usually swapped with another relay next to it...weird things happen, much as you describe...
    SID 6.5 THE DIESEL GUY AT ROSEDALE CHEVROLET IN MINNEAPOLIS...

  11. #11
    Join Date
    Apr 2014
    Location
    Tampa, Florida,USA
    Posts
    22

    Default

    Quote Originally Posted by SID6FIVE View Post
    the few times I have seen this, the 5-pin relay for the headlights or low beams got switched somehow with a 4-pin relay...usually swapped with another relay next to it...weird things happen, much as you describe...
    A pal of mine had the problem currently with his low beam he even tried doing the 4 pin relay swap, but still didn't work He just replaced the fuse and all went back to normal.

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